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m Changing short description from "American built electric locomotive" to "American electric locomotive"
 
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{{Short description|American built electric locomotive}}
{{Short description|American electric locomotive}}
{{Use mdy dates|date=March 2018}}
{{Use mdy dates|date=March 2018}}
{{Use American English|date=June 2018}}
{{Use American English|date=June 2018}}
{{Infobox locomotive
{{Infobox locomotive
| name = Siemens ACS-64
| name = Siemens ACS-64
| powertype = Electric
| powertype = Electric
| image = ACS-64 600 Wilmington.jpg
| image = ACS-64 600 Wilmington.jpg
| caption = Amtrak ACS-64 No. 600 with the ''[[Crescent (train)|Crescent]]'' in 2021
| caption = Amtrak ACS-64 No. 600 with the ''[[Crescent (train)|Crescent]]'' in 2021
| builder = [[Siemens Mobility]]
| builder = [[Siemens Mobility]]
| ordernumber = Amtrak: 70<br />SEPTA: 15 (option for 3 additional)
| ordernumber = Amtrak: 70<br />SEPTA: 15 (option for 3 additional)
| builddate = Amtrak: 2012–2016<br />SEPTA: 2015–2018
| builddate = Amtrak: 2012–2016<br />SEPTA: 2015–2018
| trucks = Siemens model SF4
| trucks = Siemens model SF4
| wheelbase = {{convert|9.9|m|ftin|1|abbr=on}}<br> (bogie center distance)
| wheelbase = {{convert|9.9|m|ftin|1|order=flip| abbr=on}}<br> (bogie center distance)
| wheeldiameter = {{convert|1117|mm|in|2|abbr=on}} (new)<br>{{convert|1041|mm|in|2|abbr=on}} (worn)
| wheeldiameter = {{convert|1117|mm|in|2|order=flip| abbr=on}} (new)<br>{{convert|1041|mm|in|2|order=flip| abbr=on}} (worn)
| minimumcurve = {{convert|76|m|ft|1|abbr=on}}
| minimumcurve = {{convert|76|m|ft|1|order=flip|abbr=on}}
| length = {{convert|20,320|mm|ftin|frac=8|abbr=on}}
| length = {{convert|20,320|mm|ftin|frac=8|order=flip|abbr=on}}
| width = {{convert|2984|mm|ftin|frac=8|abbr=on}}
| width = {{convert|2984|mm|ftin|frac=8|order=flip|abbr=on}}
| height = {{convert|3810|mm|ftin|frac=8|abbr=on}} (excluding pantograph)
| height = {{convert|3810|mm|ftin|frac=8|order=flip|abbr=on}} (excluding pantograph)
| axleload = {{convert|54250|lb|kg|abbr=on}}
| axleload = {{convert|54250|lb|kg|abbr=on}}
| weightondrivers = 100%
| weightondrivers = 100%
| headendpower = {{convert|1300|hp|kW|abbr=on}} 3-phase, 60 Hz, 480 VAC, 1000 [[Volt-ampere|kVA]]
| headendpower = {{convert|1340|hp|kW|order=flip|abbr=on}} 3-phase, 60 Hz, 480 VAC, 1,000 [[Volt-ampere|kVA]]
| transmission = Pinion Hollow Shaft Drive w/ Partially Suspended Gearboxes
| transmission = Pinion Hollow Shaft Drive w/ Partially Suspended Gearboxes
| multipleworking = Yes
| multipleworking = Yes
| factorofadhesion = 2.99 (33.4%)
| factorofadhesion = 2.99 (33.4%)
| locobrakeforce = {{convert|150|kN|lbf|abbr=on|lk=on}}, {{convert|5000|kW|hp|abbr=on|lk=on}} Maximum<ref name="factsheet">{{Cite web |url=http://preview.thenewsmarket.com/Previews/SIMS/DocumentAssets/284356_v2.pdf |title=ACS-64 Info Graphic and Fact Sheet |publisher=Siemens |access-date=March 10, 2018}}</ref>
| locobrakeforce = {{convert|150|kN|lbf|order=flip|abbr=on|lk=on}}, {{convert|5000|kW|hp|order=flip|abbr=on}} Maximum<ref name="factsheet">{{Cite web |url=http://preview.thenewsmarket.com/Previews/SIMS/DocumentAssets/284356_v2.pdf |title=ACS-64 Info Graphic and Fact Sheet |publisher=Siemens |access-date=March 10, 2018 |archive-date=March 11, 2018 |archive-url=https://web.archive.org/web/20180311081241/http://preview.thenewsmarket.com/Previews/SIMS/DocumentAssets/284356_v2.pdf |url-status=live }}</ref>
| operator = [[Amtrak]], [[SEPTA Regional Rail|SEPTA]]
| operator = [[Amtrak]], [[SEPTA Regional Rail|SEPTA]]
| fleetnumbers =
| fleetnumbers = {{Plainlist|
{{Plainlist|
* [[Amtrak]]: 600–665, 667–670
* [[Amtrak]]: 600–665, 667–670
* [[SEPTA]]: 901–915
* [[SEPTA]]: 901–915
}}
}}
| nicknames = Sprinters
| nicknames = Sprinters
| deliverydate = 2013-2018 <ref name="gazetteDetails"/>
| deliverydate = 2013-2018 <ref name="gazetteDetails"/>
| firstrundate = February 7, 2014 with [[Amtrak]]
| firstrundate = February 7, 2014 with [[Amtrak]]
| maxspeed = {{convert|125|mph|km/h|sigfig=3|abbr=on}} Service<br>{{convert|135|mph|km/h|sigfig=3|abbr=on}} Design<ref name="466m order">{{Cite web |url=http://www.domain-b.com/companies/companies_s/Siemens/20101029_amtrak_oneView.html |title=Siemens AG bags $466-mn order from US railroad company Amtrak |date=October 29, 2010 |publisher=domain-b.com |access-date=November 4, 2013}}</ref>
| maxspeed = {{convert|125|mph|km/h|sigfig=3|abbr=on}} Service<br>{{convert|135|mph|km/h|sigfig=3|abbr=on}} Design<ref name="466m order">{{Cite web |url=http://www.domain-b.com/companies/companies_s/Siemens/20101029_amtrak_oneView.html |title=Siemens AG bags $466-mn order from US railroad company Amtrak |date=October 29, 2010 |publisher=domain-b.com |access-date=November 4, 2013 |archive-date=December 26, 2013 |archive-url=https://web.archive.org/web/20131226203715/http://www.domain-b.com/companies/companies_s/Siemens/20101029_amtrak_oneView.html |url-status=live }}</ref>
| gauge = {{track gauge|sg|allk=on}}
| gauge = {{track gauge|ussg|allk=on}}
| locoweight = {{convert|215537|lb|kg|abbr=on}}
| locoweight = {{convert|215537|lb|kg|abbr=on}}
| electricsystem = {{nowrap|[[Amtrak's 25 Hz traction power system|12 kV, 25 Hz]]}} [[Alternating current|AC]], [[Overhead line|Catenary]]<br />{{nowrap|12.5 kV, 60 Hz}} [[Alternating current|AC]], [[Overhead line|Catenary]]<br />{{nowrap|[[Amtrak's 60 Hz traction power system|25 kV, 60 Hz]]}} [[Alternating current|AC]], [[Overhead line|Catenary]]
| electricsystem = [[Overhead line]]; {{unbulleted list | [[Amtrak's 60 Hz traction power system|25&nbsp;kV&nbsp;60&nbsp;Hz&nbsp;AC]] | [[Electrification of the New York, New Haven, and Hartford Railroad|12.5&nbsp;kV&nbsp;60&nbsp;Hz&nbsp;AC]] | [[Amtrak's 25 Hz traction power system|12&nbsp;kV&nbsp;25&nbsp;Hz&nbsp;AC]] }}
| collectionmethod = [[Pantograph (rail)|Pantograph]]
| collectionmethod = [[Pantograph (rail)|Pantograph]]
| tractionmotors = 3-phase, AC, Fully Suspended, Siemens built ([[Norwood, Ohio]])
| tractionmotors = 3-phase, AC, fully suspended, Siemens built ([[Norwood, Ohio]])
| poweroutput = {{convert|6400|kW|hp|abbr=on|lk=on}} Maximum (Short-Time)<br>{{convert|5000|kW|hp|abbr=on|lk=on}} Continuous
| poweroutput = {{convert|6400|kW|hp|abbr=on|lk=on}} Maximum (short-time)<br>{{convert|5000|kW|hp|abbr=on|lk=on}} Continuous
| tractiveeffort = '''Starting:'''<br>{{convert|320|kN|lbf|abbr=on|lk=on}}<br>'''Continuous ({{convert|5000|kW|hp|abbr=on|lk=on|disp=or}}):'''<br>{{convert|282|kN|lbf|abbr=on|lk=on}}@{{convert|40|mph|km/h|sigfig=2|abbr=on}}<br>{{convert|89|kN|lbf|abbr=on|lk=on}}@{{convert|125|mph|km/h|sigfig=2|abbr=on}}<br>'''Short-time ({{convert|6400|kW|hp|abbr=on|lk=on|disp=or}}):'''<br>{{convert|270|kN|lbf|abbr=on|lk=on}}@{{convert|53.5|mph|km/h|sigfig=2|abbr=on}}<br>{{convert|115|kN|lbf|abbr=on|lk=on}}@{{convert|125|mph|km/h|sigfig=2|abbr=on}}
| tractiveeffort = '''Starting''':<br>{{convert|320|kN|lbf|order=flip|abbr=on|lk=on}}<br>'''Short-time''':<br>{{convert|270|kN|lbf|order=flip|abbr=on|lk=on}} @ {{convert|53.5|mph|km/h|sigfig=2|abbr=on}}<br>{{convert|115|kN|lbf|order=flip|abbr=on|lk=on}} @ {{convert|125|mph|km/h|sigfig=2|abbr=on}}<br>'''Continuous''':<br>{{convert|282|kN|lbf|order=flip|abbr=on|lk=on}} @ {{convert|40|mph|km/h|sigfig=2|abbr=on}}<br>{{convert|89|kN|lbf|order=flip|abbr=on|lk=on}} @ {{convert|125|mph|km/h|sigfig=2|abbr=on}}
| safety = [[Federal Railroad Administration|FRA]] standards<br>[[ACSES]] II<ref name="rg2" />
| safety = [[Federal Railroad Administration|FRA]] standards<br>[[ACSES]] II<ref name="rg2" />
| locobrakes = [[Regenerative braking]], [[NYAB]] Electro-[[Railway air brake|Pneumatic]] Cheek Mounted Disk Brakes
| locobrakes = [[Regenerative braking]], [[NYAB]] Electro-[[Railway air brake|Pneumatic]] Cheek Mounted Disk Brakes
| trainbrakes = [[Railway air brake|Electro-Pneumatic]]<ref>{{cite web |title=PRIIA Specifications for single level cars |date=February 15, 2011 |access-date=November 4, 2013 |author=Amtrak |url=http://www.highspeed-rail.org/Documents/PRIIA%20305%20DocSpec%20and%20other%20NGEC%20Documents/PRIIA%20Single%20Level%20Spec%20305%20003%20Approved%20Initial%20Release.pdf|author-link=Amtrak }}</ref>
| trainbrakes = [[Railway air brake|Electro-pneumatic]]<ref>{{cite web |title=PRIIA Specifications for single level cars |date=February 15, 2011 |access-date=November 4, 2013 |author=Amtrak |url=http://www.highspeed-rail.org/Documents/PRIIA%20305%20DocSpec%20and%20other%20NGEC%20Documents/PRIIA%20Single%20Level%20Spec%20305%20003%20Approved%20Initial%20Release.pdf |author-link=Amtrak |archive-date=April 17, 2012 |archive-url=https://web.archive.org/web/20120417042237/http://www.highspeed-rail.org/Documents/PRIIA%20305%20DocSpec%20and%20other%20NGEC%20Documents/PRIIA%20Single%20Level%20Spec%20305%20003%20Approved%20Initial%20Release.pdf |url-status=live }}</ref>
| notes = Sources:<ref>{{cite web |url=http://www.mobility.siemens.com/mobility/global/SiteCollectionDocuments/en/rail-solutions/locomotives/customspecific-solutions/amtrak-acs64-en.pdf |title=Amtrak City Sprinter Class ACS64 Electric Locomotive For Amtrak's North East Corridor (NEC) High Speed Passenger Service |work=Siemens AG Infrastructure & Cities Sector Rail Systems Division |access-date=December 24, 2013}}</ref> except where noted
| notes = Sources:<ref>{{cite web |url=http://www.mobility.siemens.com/mobility/global/SiteCollectionDocuments/en/rail-solutions/locomotives/customspecific-solutions/amtrak-acs64-en.pdf |title=Amtrak City Sprinter Class ACS64 Electric Locomotive For Amtrak's North East Corridor (NEC) High Speed Passenger Service |work=Siemens AG Infrastructure & Cities Sector Rail Systems Division |access-date=December 24, 2013 |archive-date=February 13, 2014 |archive-url=https://web.archive.org/web/20140213055319/http://www.mobility.siemens.com/mobility/global/SiteCollectionDocuments/en/rail-solutions/locomotives/customspecific-solutions/amtrak-acs64-en.pdf |url-status=dead }}</ref> except where noted
|aarwheels = B-B}}
| aarwheels = B-B
| uicclass = Bo'Bo'
}}


The '''Siemens ACS-64''', or '''Amtrak Cities Sprinter''', is an [[electric locomotive]] designed by [[Siemens Mobility]] for use on the [[Northeast Corridor]] (NEC) and the [[Keystone Corridor]] in the [[northeastern United States]]. The design was based on locomotives Siemens created for use in Europe and Asia, but with changes to comply with American standards. The ACS-64 is built at the Siemens factory in [[Florin, California]], located outside of [[Sacramento, California|Sacramento]].
The '''Siemens ACS-64''', or '''Amtrak Cities Sprinter''', is an [[electric locomotive]] designed by [[Siemens Mobility]] for use on the [[Northeast Corridor]] (NEC) and the [[Keystone Corridor]] in the [[northeastern United States]]. The design was based on locomotives Siemens created for use in Europe and Asia, but with changes to comply with American standards. The ACS-64 is built at the Siemens factory in [[Florin, California]], located outside of [[Sacramento, California|Sacramento]].
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The first 70 locomotives were built for Amtrak to replace the railroad's fleet of aging [[EMD AEM-7|AEM-7]] and unreliable [[Bombardier–Alstom HHP-8|HHP-8]] locomotives. The first ACS-64 entered service in February 2014 and deliveries continued until August 2016.
The first 70 locomotives were built for Amtrak to replace the railroad's fleet of aging [[EMD AEM-7|AEM-7]] and unreliable [[Bombardier–Alstom HHP-8|HHP-8]] locomotives. The first ACS-64 entered service in February 2014 and deliveries continued until August 2016.


[[SEPTA Regional Rail]] in Southeastern Pennsylvania operates a fleet of 15 ACS-64s since August 2018, on the agency's [[commuter rail]] routes.
[[SEPTA|The Southeastern Pennsylvania Transportation Authority]] in Southeastern Pennsylvania operates a fleet of 15 ACS-64s since August 2018, on the agency's [[SEPTA Regional Rail|Regional Rail]] Lines.


==Design==
==Design==
[[File:Amtrak ACS-64 601.jpg|thumbnail|left|Amtrak ACS-64 No. 601, testing at [[Transportation Technology Center]] on June 8, 2013. 601 was later involved in the [[2015 Philadelphia train derailment]].]]
[[File:Amtrak ACS-64 601.jpg|thumbnail|left|Amtrak ACS-64 No. 601, testing at [[Transportation Technology Center]] on June 8, 2013. 601 was later involved in the [[2015 Philadelphia train derailment]].]]
The design is based on the [[EuroSprinter]] and the [[Vectron (locomotive)|Vectron]] platforms, which Siemens sells in Europe and Asia.<ref name="siemens new markets">{{Cite press release |url=https://www.siemens.com/press//pool/de/pressemitteilungen/2010/mobility/IMO201010001e.pdf |title=Siemens breaks into the U.S. long-distance passenger rail market |date=October 29, 2010 |access-date=October 30, 2010 |publisher=Siemens}}</ref> Significant structural changes to the design were made to comply with American [[crashworthiness]] requirements, including the addition of crumple zones and anti-climbing features as well as structural strengthening of the cab, resulting in a heavier locomotive than the previous models.<ref name="gazetteDetails">{{cite magazine |url=http://www.railwaygazette.com/nc/news/single-view/view/amtrak-orders-siemens-200-kmh-cities-sprinter-locomotives.html |access-date=October 30, 2010 |title=Amtrak orders Siemens 200 km/h Cities Sprinter locomotives |magazine=[[Railway Gazette International]] |date=October 29, 2010}}</ref><ref name="rg2">{{Cite magazine |last=Latour |first=Michael |date=September 2011 |title=A new face in the Northeast Corridor |url=http://connection.ebscohost.com/c/articles/66187942/new-face-northeast-corridor |archive-url=https://web.archive.org/web/20150704133706/http://connection.ebscohost.com/c/articles/66187942/new-face-northeast-corridor |url-status=dead |archive-date=2015-07-04 |magazine=[[Railway Gazette International]] |volume=167 |issue=9}}</ref> The body is a [[monocoque]] structure with integral frames and sidewalls.<ref name="rg2" />
The design is based on the [[EuroSprinter]] and the [[Vectron (locomotive)|Vectron]] platforms, which Siemens sells in Europe and Asia.<ref name="siemens new markets">{{Cite press release |url=https://www.siemens.com/press//pool/de/pressemitteilungen/2010/mobility/IMO201010001e.pdf |title=Siemens breaks into the U.S. long-distance passenger rail market |date=October 29, 2010 |access-date=October 30, 2010 |publisher=Siemens |archive-date=November 4, 2010 |archive-url=https://web.archive.org/web/20101104213645/http://www.siemens.com/press/pool/de/pressemitteilungen/2010/mobility/IMO201010001e.pdf |url-status=live }}</ref> Significant structural changes to the design were made to comply with American [[crashworthiness]] requirements, including the addition of crumple zones and anti-climbing features as well as structural strengthening of the cab, resulting in a heavier locomotive than the previous models.<ref name="gazetteDetails">{{cite magazine |url=http://www.railwaygazette.com/nc/news/single-view/view/amtrak-orders-siemens-200-kmh-cities-sprinter-locomotives.html |access-date=October 30, 2010 |title=Amtrak orders Siemens 200 km/h Cities Sprinter locomotives |magazine=[[Railway Gazette International]] |date=October 29, 2010 |archive-date=November 1, 2010 |archive-url=https://web.archive.org/web/20101101100749/http://www.railwaygazette.com/nc/news/single-view/view/amtrak-orders-siemens-200-kmh-cities-sprinter-locomotives.html |url-status=live }}</ref><ref name="rg2">{{Cite magazine |last=Latour |first=Michael |date=September 2011 |title=A new face in the Northeast Corridor |url=http://connection.ebscohost.com/c/articles/66187942/new-face-northeast-corridor |archive-url=https://web.archive.org/web/20150704133706/http://connection.ebscohost.com/c/articles/66187942/new-face-northeast-corridor |url-status=dead |archive-date=2015-07-04 |magazine=[[Railway Gazette International]] |volume=167 |issue=9}}</ref> The body is a [[monocoque]] structure with integral frames and sidewalls.<ref name="rg2" />


The locomotives are able to operate from the {{nowrap|25 [[kilovolt|kV]] 60 Hz}}, {{nowrap|12.5 kV 60 Hz}}, and {{nowrap|12 kV 25 Hz}} power supplies used on the Northeast Corridor, and have a maximum power of {{convert|6400|kW|hp}}.<ref name="siemens new markets"/> The locomotives are designed to be capable of accelerating 18 [[Amfleet]] cars to maximum speeds as high as {{cvt|125|mph}} on the Northeast Corridor in a little over eight minutes,<ref name="ra201106">{{cite journal | journal = Railway Age|date=June 2011 | title = Amtrak ACS-64: Speed, power, efficiency| author = Michael Latour| url=http://www.nxtbook.com/nxtbooks/sb/ra0611/#/48}}</ref> with trains of eight Amfleets taking two and a half minutes to reach the same speed.<ref name="youtube">{{Cite web |url=https://www.youtube.com/watch?v=vJMhKgEnnNc |archive-url=https://ghostarchive.org/varchive/youtube/20211221/vJMhKgEnnNc |archive-date=2021-12-21 |url-status=live|title=In-cab video of 601 + 8 Amfleets performing an acceleration test at Pueblo, CO |date=August 1, 2013 |publisher=[[Youtube.com]]}}{{cbignore}}</ref> They had advanced safety systems, including specialized [[Railway coupling|couplers]] designed to keep trains from rolling over, jackknifing, or derailing during a collision.<ref name="trains">{{Cite magazine |date=October 29, 2010 |title=Amtrak orders 70 new electric locomotives from Siemens |url=http://trn.trains.com/news/news-wire/2010/10/amtrak-orders-70-new-electric-locomotives-from-siemens |magazine=Trains |access-date=October 30, 2010}}</ref> Additionally, the new locomotives are more energy-efficient than those that they replace, and lack dynamic braking grids in favor of 100% [[Regenerative brake|regenerative braking]], depending on grid receptiveness. Energy generated from the brake may also be used to meet [[Head-end power|HEP]] needs, further reducing current draw from the grid.<ref name="trains" />
The locomotives are able to operate from the {{nowrap|25 [[kilovolt|kV]] 60 Hz}}, {{nowrap|12.5 kV 60 Hz}}, and {{nowrap|12 kV 25 Hz}} power supplies used on the Northeast Corridor, and have a maximum power of {{convert|6400|kW|hp}}.<ref name="siemens new markets"/> The locomotives are designed to be capable of accelerating 18 [[Amfleet]] cars to maximum speeds as high as {{cvt|125|mph}} on the Northeast Corridor in a little over eight minutes,<ref name="ra201106">{{cite journal| journal = Railway Age| date = June 2011| title = Amtrak ACS-64: Speed, power, efficiency| author = Michael Latour| url = http://www.nxtbook.com/nxtbooks/sb/ra0611/#/48| access-date = June 11, 2011| archive-date = April 26, 2012| archive-url = https://web.archive.org/web/20120426073727/http://www.nxtbook.com/nxtbooks/sb/ra0611/#/48| url-status = dead}}</ref> with trains of eight Amfleets taking two and a half minutes to reach the same speed.<ref name="youtube">{{Cite web |url=https://www.youtube.com/watch?v=vJMhKgEnnNc |archive-url=https://ghostarchive.org/varchive/youtube/20211221/vJMhKgEnnNc |archive-date=2021-12-21 |url-status=live|title=In-cab video of 601 + 8 Amfleets performing an acceleration test at Pueblo, CO |date=August 1, 2013 |publisher=[[Youtube.com]]}}{{cbignore}}</ref> They had advanced safety systems, including specialized [[Railway coupling|couplers]] designed to keep trains from rolling over, jackknifing, or derailing during a collision.<ref name="trains">{{Cite magazine |date=October 29, 2010 |title=Amtrak orders 70 new electric locomotives from Siemens |url=http://trn.trains.com/news/news-wire/2010/10/amtrak-orders-70-new-electric-locomotives-from-siemens |magazine=Trains |access-date=October 30, 2010 |archive-date=November 29, 2019 |archive-url=https://web.archive.org/web/20191129235145/http://trn.trains.com/news/news-wire/2010/10/amtrak-orders-70-new-electric-locomotives-from-siemens |url-status=dead }}</ref> Additionally, the new locomotives are more energy-efficient than those that they replace, and lack dynamic braking grids in favor of 100% [[Regenerative brake|regenerative braking]], depending on grid receptiveness. Energy generated from the brake may also be used to meet [[Head-end power|HEP]] needs, further reducing current draw from the grid.<ref name="trains" />


Each locomotive has two [[Electric power conversion|electrical converter]] units with three [[Insulated-gate bipolar transistor|IGBT]] based, water cooled output [[Power inverter|inverters]] per converter. Two of the inverters power the traction motors; the third unit supplies head-end and auxiliary power.<ref name="rg2" /> The HEP/auxiliary inverters are dual-redundant and identical (rated {{convert|1000|kW|hp|abbr=on|disp=or}}), allowing the locomotive to remain in service should one inverter fail en route.<ref name="ra201106" /> The locomotive [[bogie]]s are fabricated steel designs, with low-lying traction links and center pivot pin. The traction motors are frame-mounted, with [[torque]] transmitted via a hollow shaft drive. Locomotive braking is facilitated by cheek mounted [[disc brake]]s on each wheel.<ref name="rg2" />
Each locomotive has two [[Electric power conversion|electrical converter]] units with three [[Insulated-gate bipolar transistor|IGBT]] based, water cooled output [[Power inverter|inverters]] per converter. Two of the inverters power the traction motors; the third unit supplies head-end and auxiliary power.<ref name="rg2" /> The HEP/auxiliary inverters are dual-redundant and identical (rated {{convert|1000|kW|hp|abbr=on|disp=or}}), allowing the locomotive to remain in service should one inverter fail en route.<ref name="ra201106" /> The locomotive [[bogie]]s are fabricated steel designs, with low-lying traction links and center pivot pin. The traction motors are frame-mounted, with [[torque]] transmitted via a hollow shaft drive. Locomotive braking is facilitated by cheek mounted [[disc brake]]s on each wheel.<ref name="rg2" />
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In October 2010, Amtrak ordered 70 locomotives at a cost of US$466 million, to be delivered beginning in February 2013.<ref name="466m order" /> The order was the second part of Amtrak's company-wide fleet-replacement program, after an order for 130 [[Viewliner#Viewliner II|Viewliner II]] passenger cars was placed in July 2010. On June 30, 2011, US Secretary of Transportation [[Ray LaHood]] announced that Amtrak had received a $562.9 million loan from the federal government's [[Railroad Rehabilitation and Improvement Financing]] program for the new locomotives.<ref>{{Cite web |url=http://www.rail.co/2011/06/30/amtrak-receives-562-9m-loan-to-purchase-70-locomotives-for-northeast-corridor/ |title=Amtrak receives $562.9m loan to purchase 70 locomotives for Northeast Corridor |date=June 30, 2011 |publisher=Rail.co |archive-url=https://web.archive.org/web/20120320215443/http://www.rail.co/2011/06/30/amtrak-receives-562-9m-loan-to-purchase-70-locomotives-for-northeast-corridor/ |archive-date=March 20, 2012 |url-status=live |access-date=July 1, 2011}}</ref> The additional funding over and above the $466 million will cover capital spare parts and facility improvements to accommodate the ACS-64s.
In October 2010, Amtrak ordered 70 locomotives at a cost of US$466 million, to be delivered beginning in February 2013.<ref name="466m order" /> The order was the second part of Amtrak's company-wide fleet-replacement program, after an order for 130 [[Viewliner#Viewliner II|Viewliner II]] passenger cars was placed in July 2010. On June 30, 2011, US Secretary of Transportation [[Ray LaHood]] announced that Amtrak had received a $562.9 million loan from the federal government's [[Railroad Rehabilitation and Improvement Financing]] program for the new locomotives.<ref>{{Cite web |url=http://www.rail.co/2011/06/30/amtrak-receives-562-9m-loan-to-purchase-70-locomotives-for-northeast-corridor/ |title=Amtrak receives $562.9m loan to purchase 70 locomotives for Northeast Corridor |date=June 30, 2011 |publisher=Rail.co |archive-url=https://web.archive.org/web/20120320215443/http://www.rail.co/2011/06/30/amtrak-receives-562-9m-loan-to-purchase-70-locomotives-for-northeast-corridor/ |archive-date=March 20, 2012 |url-status=live |access-date=July 1, 2011}}</ref> The additional funding over and above the $466 million will cover capital spare parts and facility improvements to accommodate the ACS-64s.


Amtrak and Siemens Mobility unveiled the first three completed locomotives on May 13, 2013. They were tested during the summer of 2013: {{Abbr|Nos.|Numbers}} 600 and 601 at the [[Transportation Technology Center]] in [[Pueblo, Colorado]], and No. 602 on the NEC.<ref name="synaptic">{{Cite web |url=http://inr.synapticdigital.com/siemens/NewAmtrakCars/ |title=Siemens Provides First Look at New Amtrak Locomotives |last=Siemens USA |publisher=Synaptic Digital |access-date=November 4, 2013}}</ref><ref>{{Cite press release |title=New Amtrak Locomotives Advancing in Rigorous Testing Program |date=July 29, 2013 |publisher=Amtrak |url=https://media.amtrak.com/2013/07/new-amtrak-locomotives-advancing-in-rigorous-testing-program/ |access-date=March 10, 2018}}</ref>
Amtrak and Siemens Mobility unveiled the first three completed locomotives on May 13, 2013. They were tested during the summer of 2013: {{Abbr|Nos.|Numbers}} 600 and 601 at the [[Transportation Technology Center]] in [[Pueblo, Colorado]], and No. 602 on the NEC.<ref name="synaptic">{{Cite web |url=http://inr.synapticdigital.com/siemens/NewAmtrakCars/ |title=Siemens Provides First Look at New Amtrak Locomotives |last=Siemens USA |publisher=Synaptic Digital |access-date=November 4, 2013 |archive-date=March 9, 2021 |archive-url=https://web.archive.org/web/20210309201625/http://inr.synapticdigital.com/siemens/NewAmtrakCars/ |url-status=dead }}</ref><ref>{{Cite press release |title=New Amtrak Locomotives Advancing in Rigorous Testing Program |date=July 29, 2013 |publisher=Amtrak |url=https://media.amtrak.com/2013/07/new-amtrak-locomotives-advancing-in-rigorous-testing-program/ |access-date=March 10, 2018 |archive-date=May 17, 2021 |archive-url=https://web.archive.org/web/20210517170326/https://media.amtrak.com/2013/07/new-amtrak-locomotives-advancing-in-rigorous-testing-program/ |url-status=dead }}</ref>


[[File:Cities Sprinter cab.jpg|thumbnail|left|Then-Vice President [[Joe Biden]] sits at the controls of ACS-64 No. 600 at a publicity event on February 6, 2014]]
[[File:Cities Sprinter cab.jpg|thumbnail|left|Then-Vice President [[Joe Biden]] sits at the controls of ACS-64 No. 600 at a publicity event on February 6, 2014]]
On February 6, 2014, then-Vice President [[Joe Biden]] visited 30th Street Station in Philadelphia to tour ACS-64 #600. In his subsequent remarks he stressed the importance of infrastructure investment as well as the important role Amtrak's new locomotives will play in serving the critical artery of the Northeast Corridor.<ref name="Biden Stresses infrastructure investment in Philly">{{cite web|author=Matheson, Kathy|title=Biden stresses infrastructure investment in Philly|url=http://www.wpxi.com/ap/ap/transportation/biden-visiting-philly-to-unveil-new-amtrak-engine/ndFXG/|date=February 6, 2014|publisher=Associated Press|access-date=February 25, 2014|archive-url=https://web.archive.org/web/20140221182350/http://www.wpxi.com/ap/ap/transportation/biden-visiting-philly-to-unveil-new-amtrak-engine/ndFXG/|archive-date=February 21, 2014|url-status=dead}}</ref>
On February 6, 2014, then-Vice President [[Joe Biden]] visited 30th Street Station in Philadelphia to tour ACS-64 #600. In his subsequent remarks he stressed the importance of infrastructure investment as well as the important role Amtrak's new locomotives will play in serving the critical artery of the Northeast Corridor.<ref name="Biden Stresses infrastructure investment in Philly">{{cite web|author=Matheson, Kathy|title=Biden stresses infrastructure investment in Philly|url=http://www.wpxi.com/ap/ap/transportation/biden-visiting-philly-to-unveil-new-amtrak-engine/ndFXG/|date=February 6, 2014|publisher=Associated Press|access-date=February 25, 2014|archive-url=https://web.archive.org/web/20140221182350/http://www.wpxi.com/ap/ap/transportation/biden-visiting-philly-to-unveil-new-amtrak-engine/ndFXG/|archive-date=February 21, 2014|url-status=dead}}</ref>


Amtrak and Siemens celebrated the completion of the last ACS-64, No. 670, in [[Florin, California]], on June 2, 2016.<ref name="last">{{cite news |url=http://www.progressiverailroading.com/amtrak/news/Siemens-completes-70th-ACS64-locomotive-for-Amtrak--48437 |title=Siemens completes 70th ACS-64 locomotive for Amtrak |newspaper=Progressive Railroading |date=June 2, 2016 |access-date=June 3, 2016}}</ref> The celebration concluded with unit No. 670 being towed by Amtrak CEO [[Joseph H. Boardman|Joe Boardman's]] train bound for [[Washington, D.C.]]{{Citation needed|date=June 2018}} Locomotive No. 670 entered service in August 2016, completing the acceptance of the Amtrak order.<ref name="#670">{{cite press release |url=http://blog.amtrak.com/2016/08/new-acs-64-locomotives-powered-northeast/ |title=ACS-64 Locomotives Usher in New Era of Mobility on Northeast Corridor |date=August 2016 |publisher=Amtrak |work=All Aboard: The Official Blog of Amtrak}}</ref>
Amtrak and Siemens celebrated the completion of the last ACS-64, No. 670, in [[Florin, California]], on June 2, 2016.<ref name="last">{{cite news |url=http://www.progressiverailroading.com/amtrak/news/Siemens-completes-70th-ACS64-locomotive-for-Amtrak--48437 |title=Siemens completes 70th ACS-64 locomotive for Amtrak |newspaper=Progressive Railroading |date=June 2, 2016 |access-date=June 3, 2016 |archive-date=June 6, 2016 |archive-url=https://web.archive.org/web/20160606045536/http://www.progressiverailroading.com/amtrak/news/Siemens-completes-70th-ACS64-locomotive-for-Amtrak--48437? |url-status=live }}</ref> The celebration concluded with unit No. 670 being towed by Amtrak CEO [[Joseph H. Boardman|Joe Boardman's]] train bound for [[Washington, D.C.]]{{Citation needed|date=June 2018}} Locomotive No. 670 entered service in August 2016, completing the acceptance of the Amtrak order.<ref name="#670">{{cite press release |url=http://blog.amtrak.com/2016/08/new-acs-64-locomotives-powered-northeast/ |title=ACS-64 Locomotives Usher in New Era of Mobility on Northeast Corridor |date=August 2016 |publisher=Amtrak |work=All Aboard: The Official Blog of Amtrak |access-date=August 9, 2016 |archive-date=September 20, 2016 |archive-url=https://web.archive.org/web/20160920182354/http://blog.amtrak.com/2016/08/new-acs-64-locomotives-powered-northeast/ |url-status=live }}</ref>


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===Service===
===Service===
[[File:ACS-64 first revenue run approaching Readville.JPG|thumb|left|Amtrak ACS-64 No. 600 leading its first revenue trip on February 7, 2014]]
[[File:ACS-64 first revenue run approaching Readville.JPG|thumb|left|Amtrak ACS-64 No. 600 leading its first revenue trip on February 7, 2014]]
Unit 600 entered service on February 7, 2014, on ''[[Northeast Regional]]'' train 171 from Boston to Washington, D.C.<ref>{{cite press release |url=https://media.amtrak.com/2014/02/new-amtrak-locomotives-ready-for-service-and-set-to-power-northeast-economy/ |title=New Amtrak Locomotives Ready for Service and Set to Power Northeast Economy |publisher=Amtrak |date=February 6, 2014 |access-date=March 10, 2018}}</ref> As the new locomotives entered service, they gradually displaced the electric locomotives that Amtrak had previously operated. The extra six ACS-64 units were to be used to increase the number of locomotives available for use at any point, and to add more frequent service in the future.<ref name="progressive amtrak">{{Cite web |url=http://www.progressiverailroading.com/news/article.asp?id=24892 |title=Amtrak contracts Siemens to supply 70 electric locomotives |date=October 29, 2010 |publisher=Progressive Railroading |access-date=October 29, 2010}}</ref> The final unit, #670, was delivered from Siemens on June 2, 2016,<ref name="last"/> and entered revenue service in August of the same year.<ref name="#670" />
Unit 600 entered service on February 7, 2014, on ''[[Northeast Regional]]'' train 171 from Boston to Washington, D.C.<ref>{{cite press release |url=https://media.amtrak.com/2014/02/new-amtrak-locomotives-ready-for-service-and-set-to-power-northeast-economy/ |title=New Amtrak Locomotives Ready for Service and Set to Power Northeast Economy |publisher=Amtrak |date=February 6, 2014 |access-date=March 10, 2018 |archive-date=February 27, 2021 |archive-url=https://web.archive.org/web/20210227154224/https://media.amtrak.com/2014/02/new-amtrak-locomotives-ready-for-service-and-set-to-power-northeast-economy/ |url-status=dead }}</ref> As the new locomotives entered service, they gradually displaced the electric locomotives that Amtrak had previously operated. The extra six ACS-64 units were to be used to increase the number of locomotives available for use at any point, and to add more frequent service in the future.<ref name="progressive amtrak">{{Cite web |url=http://www.progressiverailroading.com/news/article.asp?id=24892 |title=Amtrak contracts Siemens to supply 70 electric locomotives |date=October 29, 2010 |publisher=Progressive Railroading |access-date=October 29, 2010}}</ref> The final unit, #670, was delivered from Siemens on June 2, 2016,<ref name="last"/> and entered revenue service in August of the same year.<ref name="#670" />
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On May 12, 2015, No. 601 was pulling ''Northeast Regional'' No. 188 when it [[2015 Philadelphia train derailment|derailed at Frankford Junction]] in the Port Richmond section of Philadelphia due to excessive speed on a restricted curve.<ref>{{cite news |last=Nussbaum |first=Paul |url=http://www.philly.com/philly/news/20150513_Amtrak_train_derails_in_Port_Richmond__about_50_hurt.html |title=At least 5 dead as Amtrak train derails in Port Richmond |newspaper=[[The Philadelphia Inquirer]] |date=May 13, 2015 |access-date=May 13, 2015}}</ref><ref>{{cite web|url=http://www.cnn.com/2015/05/16/us/philadelphia-amtrak-train-derailment/|title=Amtrak installs speed controls at fatal crash site|author=Melissa Gray|date=May 16, 2015|work=CNN}}</ref>

On April 3, 2016, No. 627, pulling the [[Palmetto (train)|''Palmetto'']], hit a [[backhoe]] on the track and [[2016 Chester, Pennsylvania, train derailment|derailed in Chester, PA]], killing two trackside workers.<ref>{{Cite news |url=https://www.washingtonpost.com/news/dr-gridlock/wp/2016/04/03/amtrak-service-disrupted-in-northeast-after-derailment/ |title=Amtrak service disrupted in Northeast after derailment; 2 reported dead, 31 injured |last1=Siddiqui |first1=Faiz |date=April 3, 2016 |newspaper=[[The Washington Post]] |access-date=April 3, 2016 |last2=Halsey III |first2=Ashley}}</ref><ref name=NBC374406561>{{cite news |last=Stamm |first=Dan |date=April 3, 2016 |title=2 Die as Amtrak Train Strikes Backhoe Causing Fireball |url=http://www.nbcphiladelphia.com/news/breaking/Chester-Train-Tracks-Crash-Equipment-374406561.html |publisher=NBC Philadelphia |access-date=April 3, 2016}}</ref>
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==SEPTA==
==SEPTA==
[[File:SEPTA ACS-64 910 inbound departing Hatboro Station.jpeg|thumb|left|SEPTA ACS-64 910 leads a train out of [[Hatboro station]]]]
[[File:SEPTA ACS-64 910 inbound departing Hatboro Station.jpeg|thumb|left|SEPTA ACS-64 910 leads a train out of [[Hatboro station]]]]
In May 2015, [[SEPTA]] ([[Philadelphia]]'s mass-transit authority) approved an initial order for 13 ACS-64 locomotives for [[SEPTA Regional Rail|commuter service]] to replace its 7 [[EMD AEM-7|AEM-7]] and single [[ABB ALP-44|ALP-44]] locomotives on push-pull express trains, with an option for an additional five locomotives to be added to the order. On November 11, 2015, [[Siemens]] announced that it was awarded the $118&nbsp;million contract for the initial 13 locomotives.<ref>{{cite web|url=http://www.railwayage.com/index.php/mechanical/locomotives/siemens-to-build-new-locomotives-for-septa.html?channel=35|title=Siemens to build new locomotives for SEPTA|last=Worrell|first=Carolina|date=November 11, 2015|website=www.railwayage.com}}</ref><ref>{{cite web|url=http://news.usa.siemens.biz/press-release/mobility/siemens-build-13-electric-locomotives-southeastern-pennsylvania-transportatio|title=Siemens to build 13 electric locomotives for the Southeastern Pennsylvania Transportation Authority|last=Siemens USA|date=November 11, 2015}}</ref> The total contract value, including the option for additional locomotives, is worth $154 million.<ref>{{Cite news|url=http://www.phillymag.com/news/2015/11/11/septa-locomotives/|title=SEPTA Is Buying 13 New Locomotives for $113 Million|last=Dan|first=McQuade|date=November 11, 2015|work=Philadelphia Magazine|access-date=December 6, 2017|language=en-US}}</ref><ref>{{cite news |url=http://www.philly.com/philly/business/transportation/20150528_SEPTA_plans_to_spend__154_million_on_new_locomotives.html |title=SEPTA plans to spend $154 million on new locomotives |work=[[The Philadelphia Inquirer]] |date=May 27, 2015 |access-date=May 29, 2015 |author=Nussbaum, Paul}}</ref><ref>{{cite web |url=http://www.septa.org/about/board/pdf/agenda-special-5-2015.pdf |title=May 2015 Special Agenda <!--context for agendas here: http://www.septa.org/about/board/agenda.html --> |date=May 2015 |publisher=Southeastern Pennsylvania Transportation Authority |access-date=July 3, 2015}}</ref>
In May 2015, [[SEPTA]] ([[Philadelphia]]'s mass-transit authority) approved an initial order for 13 ACS-64 locomotives for [[SEPTA Regional Rail|commuter service]] to replace its 7 [[EMD AEM-7|AEM-7]] and single [[ABB ALP-44|ALP-44]] locomotives on push-pull express trains, with an option for an additional five locomotives to be added to the order. On November 11, 2015, [[Siemens]] announced that it was awarded the $118&nbsp;million contract for the initial 13 locomotives.<ref>{{cite web|url=http://www.railwayage.com/index.php/mechanical/locomotives/siemens-to-build-new-locomotives-for-septa.html?channel=35|title=Siemens to build new locomotives for SEPTA|last=Worrell|first=Carolina|date=November 11, 2015|website=www.railwayage.com|access-date=November 12, 2015|archive-date=November 14, 2015|archive-url=https://web.archive.org/web/20151114040410/http://www.railwayage.com/index.php/mechanical/locomotives/siemens-to-build-new-locomotives-for-septa.html?channel=35|url-status=live}}</ref><ref>{{cite web|url=http://news.usa.siemens.biz/press-release/mobility/siemens-build-13-electric-locomotives-southeastern-pennsylvania-transportatio|title=Siemens to build 13 electric locomotives for the Southeastern Pennsylvania Transportation Authority|last=Siemens USA|date=November 11, 2015|access-date=November 12, 2015|archive-date=July 12, 2018|archive-url=https://web.archive.org/web/20180712054501/http://news.usa.siemens.biz/press-release/mobility/siemens-build-13-electric-locomotives-southeastern-pennsylvania-transportatio|url-status=live}}</ref> The total contract value, including the option for additional locomotives, is worth $154 million.<ref>{{Cite news|url=http://www.phillymag.com/news/2015/11/11/septa-locomotives/|title=SEPTA Is Buying 13 New Locomotives for $113 Million|last=Dan|first=McQuade|date=November 11, 2015|work=Philadelphia Magazine|access-date=December 6, 2017|language=en-US|archive-date=December 7, 2017|archive-url=https://web.archive.org/web/20171207142951/http://www.phillymag.com/news/2015/11/11/septa-locomotives/|url-status=live}}</ref><ref>{{cite news |url=http://www.philly.com/philly/business/transportation/20150528_SEPTA_plans_to_spend__154_million_on_new_locomotives.html |title=SEPTA plans to spend $154 million on new locomotives |work=[[The Philadelphia Inquirer]] |date=May 27, 2015 |access-date=May 29, 2015 |author=Nussbaum, Paul |archive-date=May 28, 2015 |archive-url=https://web.archive.org/web/20150528062300/http://www.philly.com/philly/business/transportation/20150528_SEPTA_plans_to_spend__154_million_on_new_locomotives.html |url-status=live }}</ref><ref>{{cite web |url=http://www.septa.org/about/board/pdf/agenda-special-5-2015.pdf |title=May 2015 Special Agenda <!--context for agendas here: http://www.septa.org/about/board/agenda.html --> |date=May 2015 |publisher=Southeastern Pennsylvania Transportation Authority |access-date=July 3, 2015 |archive-date=June 18, 2021 |archive-url=https://web.archive.org/web/20210618143722/http://www.septa.org/about/board/pdf/agenda-special-5-2015.pdf |url-status=dead }}</ref>


On February 29, 2016, Amtrak unit 664 began test runs on SEPTA Regional Rail branches to test the height of the locomotives on SEPTA territory, and to ensure clearance through the [[Center City Commuter Connection|Center City Tunnel]].<ref>{{cite news |url=http://trn.trains.com/news/news-wire/2016/03/01-septa-acs-64 |title=SEPTA testing an ACS-64 in March |newspaper=Trains News Wire |date=March 1, 2016 |url-access=subscription }}</ref> After testing the unit on most of SEPTA's lines, it was returned to Amtrak on March 21, 2016, for completion of its acceptance testing.<ref>{{cite web |archive-url=https://web.archive.org/web/20160411213722/http://www.trainweb.org/phillynrhs/RPOTW160327.html |title=Railfan Pictures of the Week - 3/27/2016 |date=March 27, 2016 |publisher=The Philadelphia Chapter of the National Railway Historical Society |url=http://www.trainweb.org/phillynrhs/RPOTW160327.html |archive-date=April 11, 2016}}</ref> From July 2016 until April 2017, SEPTA leased several ACS-64 units to pull five [[Amfleet]] cars and several [[MARC Train]] sets as emergency rolling stock after all [[Silverliner V]] cars were temporarily pulled from service.<ref>{{cite news |url=http://www.phillymag.com/news/2016/07/08/septa-schedule-additional-trains/ |title=SEPTA to Add 1,700 Regional Rail Seats Starting Monday |newspaper=Philadelphia Magazine |date=July 8, 2016 |first=Sandy |last=Smith |access-date=July 19, 2016}}</ref>
On February 29, 2016, Amtrak unit 664 began test runs on SEPTA Regional Rail branches to test the height of the locomotives on SEPTA territory, and to ensure clearance through the [[Center City Commuter Connection|Center City Tunnel]].<ref>{{cite news |url=http://trn.trains.com/news/news-wire/2016/03/01-septa-acs-64 |title=SEPTA testing an ACS-64 in March |newspaper=Trains News Wire |date=March 1, 2016 |url-access=subscription |access-date=July 20, 2016 |archive-date=August 17, 2016 |archive-url=https://web.archive.org/web/20160817033338/http://trn.trains.com/news/news-wire/2016/03/01-septa-acs-64 |url-status=live }}</ref> After testing the unit on most of SEPTA's lines, it was returned to Amtrak on March 21, 2016, for completion of its acceptance testing.<ref>{{cite web |archive-url=https://web.archive.org/web/20160411213722/http://www.trainweb.org/phillynrhs/RPOTW160327.html |title=Railfan Pictures of the Week - 3/27/2016 |date=March 27, 2016 |publisher=The Philadelphia Chapter of the National Railway Historical Society |url=http://www.trainweb.org/phillynrhs/RPOTW160327.html |archive-date=April 11, 2016}}</ref> From July 2016 until April 2017, SEPTA leased several ACS-64 units to pull five [[Amfleet]] cars and several [[MARC Train]] sets as emergency rolling stock after all [[Silverliner V]] cars were temporarily pulled from service.<ref>{{cite news |url=http://www.phillymag.com/news/2016/07/08/septa-schedule-additional-trains/ |title=SEPTA to Add 1,700 Regional Rail Seats Starting Monday |newspaper=Philadelphia Magazine |date=July 8, 2016 |first=Sandy |last=Smith |access-date=July 19, 2016 |archive-date=July 22, 2016 |archive-url=https://web.archive.org/web/20160722124057/http://www.phillymag.com/news/2016/07/08/septa-schedule-additional-trains/ |url-status=live }}</ref>


SEPTA's first ACS-64 was delivered on December 14, 2017, by which time SEPTA had increased its order to 15 locomotives.<ref name="progressive septa">{{cite web|url=https://www.progressiverailroading.com/mechanical/news/Siemens-delivers-new-locomotives-to-Baltimore-Philadelphia-agencies--53509|title=Siemens delivers new locomotives to Baltimore, Philadelphia agencies|date=December 18, 2017|website=Progressive Railroading|access-date=March 12, 2018}}</ref><ref name="railway age">{{cite web|url=https://www.railwayage.com/news/siemens-ships-first-acs-64-locomotive-for-septa/|title=Siemens ships first ACS-64 locomotive for SEPTA|date=December 7, 2017|website=Railway Age|access-date=March 12, 2018}}</ref><ref name="curbed">{{cite web|url=https://philly.curbed.com/2017/12/15/16780354/septa-electric-trains-launch|title=SEPTA's first new electric locomotive has pulled into Philly|date=December 15, 2017|publisher=Curbed Philadelphia|access-date=January 30, 2018}}</ref> The first unit entered service on the [[Paoli/Thorndale Line]] on July 11, 2018.<ref>{{cite news |url=http://www.philly.com/philly/business/transportation/septa-regional-rail-new-locomotive-acs-64-siemens-20180711.html |title=SEPTA's new Regional Rail locomotive makes debut |newspaper=[[The Philadelphia Inquirer]] |date=July 11, 2018 |first=Joseph A. |last=Gambardello}}</ref>
SEPTA's first ACS-64 was delivered on December 14, 2017, by which time SEPTA had increased its order to 15 locomotives.<ref name="progressive septa">{{cite web|url=https://www.progressiverailroading.com/mechanical/news/Siemens-delivers-new-locomotives-to-Baltimore-Philadelphia-agencies--53509|title=Siemens delivers new locomotives to Baltimore, Philadelphia agencies|date=December 18, 2017|website=Progressive Railroading|access-date=March 12, 2018|archive-date=December 22, 2017|archive-url=https://web.archive.org/web/20171222112217/http://www.progressiverailroading.com/mechanical/news/Siemens-delivers-new-locomotives-to-Baltimore-Philadelphia-agencies--53509|url-status=live}}</ref><ref name="railway age">{{cite web|url=https://www.railwayage.com/news/siemens-ships-first-acs-64-locomotive-for-septa/|title=Siemens ships first ACS-64 locomotive for SEPTA|date=December 7, 2017|website=Railway Age|access-date=March 12, 2018|archive-date=July 11, 2018|archive-url=https://web.archive.org/web/20180711204347/https://www.railwayage.com/news/siemens-ships-first-acs-64-locomotive-for-septa/|url-status=live}}</ref><ref name="curbed">{{cite web|url=https://philly.curbed.com/2017/12/15/16780354/septa-electric-trains-launch|title=SEPTA's first new electric locomotive has pulled into Philly|date=December 15, 2017|publisher=Curbed Philadelphia|access-date=January 30, 2018|archive-date=April 22, 2023|archive-url=https://web.archive.org/web/20230422114938/https://philly.curbed.com/2017/12/15/16780354/septa-electric-trains-launch|url-status=live}}</ref> The first unit entered service on the [[Paoli/Thorndale Line]] on July 11, 2018.<ref>{{cite news |url=http://www.philly.com/philly/business/transportation/septa-regional-rail-new-locomotive-acs-64-siemens-20180711.html |title=SEPTA's new Regional Rail locomotive makes debut |newspaper=[[The Philadelphia Inquirer]] |date=July 11, 2018 |first=Joseph A. |last=Gambardello |access-date=July 12, 2018 |archive-date=July 11, 2018 |archive-url=https://web.archive.org/web/20180711234119/http://www.philly.com/philly/business/transportation/septa-regional-rail-new-locomotive-acs-64-siemens-20180711.html |url-status=live }}</ref>
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==References==
==References==
{{reflist|30em}}
{{reflist|30em}}

==Further reading==
* {{cite web |url=https://www.mobility.siemens.com/mobility/global/SiteCollectionDocuments/en/rail-solutions/locomotives/customspecific-solutions/amtrak-acs64-en.pdf |title=Amtrak Cities Sprinter ACS-64 Electric Locomotive |date=2014 |publisher=Siemens AG |url-status=dead |archive-url=https://web.archive.org/web/20190119121213/https://www.mobility.siemens.com/mobility/global/SiteCollectionDocuments/en/rail-solutions/locomotives/customspecific-solutions/amtrak-acs64-en.pdf |archive-date=2019-01-19}}


==External links==
==External links==
{{commons category|Siemens ACS-64 locomotives}}
{{commons category-inline|Siemens ACS-64 locomotives}}
* [http://www.mobility.siemens.com/mobility/global/SiteCollectionDocuments/en/rail-solutions/locomotives/customspecific-solutions/amtrak-acs64-en.pdf Official Siemens USA Page on the locomotives]
* [https://www.youtube.com/watch?v=HbHIUFajhbM Raw footage of high-speed testing at Pueblo]


{{Amtrak rollingstock}}
{{Amtrak rollingstock}}

Latest revision as of 14:13, 27 September 2024

Siemens ACS-64
Amtrak ACS-64 No. 600 with the Crescent in 2021
Type and origin
Power typeElectric
BuilderSiemens Mobility
Order numberAmtrak: 70
SEPTA: 15 (option for 3 additional)
Build dateAmtrak: 2012–2016
SEPTA: 2015–2018
Specifications
Configuration:
​
 • AARB-B
 • UICBo'Bo'
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
TrucksSiemens model SF4
Wheel diameter43.98 in (1,117 mm) (new)
40.98 in (1,041 mm) (worn)
Minimum curve249.3 ft (76 m)
Wheelbase32 ft 5.8 in (9.9 m)
(bogie center distance)
Length66 ft 8 in (20,320 mm)
Width9 ft 9+1⁄2 in (2,984 mm)
Height12 ft 6 in (3,810 mm) (excluding pantograph)
Axle load54,250 lb (24,610 kg)
Adhesive weight100%
Loco weight215,537 lb (97,766 kg)
Electric system/sOverhead line;
Current pickup(s)Pantograph
Traction motors3-phase, AC, fully suspended, Siemens built (Norwood, Ohio)
Head end power1,000 kW (1,340 hp) 3-phase, 60 Hz, 480 VAC, 1,000 kVA
TransmissionPinion Hollow Shaft Drive w/ Partially Suspended Gearboxes
MU workingYes
Loco brakeRegenerative braking, NYAB Electro-Pneumatic Cheek Mounted Disk Brakes
Train brakesElectro-pneumatic[1]
Safety systemsFRA standards
ACSES II[2]
Performance figures
Maximum speed125 mph (201 km/h) Service
135 mph (217 km/h) Design[3]
Power output6,400 kW (8,600 hp) Maximum (short-time)
5,000 kW (6,700 hp) Continuous
Tractive effortStarting:
72,000 lbf (320 kN)
Short-time:
61,000 lbf (270 kN) @ 53.5 mph (86 km/h)
26,000 lbf (115 kN) @ 125 mph (200 km/h)
Continuous:
63,000 lbf (282 kN) @ 40 mph (64 km/h)
20,000 lbf (89 kN) @ 125 mph (200 km/h)
Factor of adh.2.99 (33.4%)
Brakeforce34,000 lbf (150 kN), 6,700 hp (5,000 kW) Maximum[4]
Career
OperatorsAmtrak, SEPTA
Numbers
NicknamesSprinters
Delivered2013-2018 [5]
First runFebruary 7, 2014 with Amtrak
Sources:[6] except where noted

The Siemens ACS-64, or Amtrak Cities Sprinter, is an electric locomotive designed by Siemens Mobility for use on the Northeast Corridor (NEC) and the Keystone Corridor in the northeastern United States. The design was based on locomotives Siemens created for use in Europe and Asia, but with changes to comply with American standards. The ACS-64 is built at the Siemens factory in Florin, California, located outside of Sacramento.

The first 70 locomotives were built for Amtrak to replace the railroad's fleet of aging AEM-7 and unreliable HHP-8 locomotives. The first ACS-64 entered service in February 2014 and deliveries continued until August 2016.

The Southeastern Pennsylvania Transportation Authority in Southeastern Pennsylvania operates a fleet of 15 ACS-64s since August 2018, on the agency's Regional Rail Lines.

Design

[edit]
Amtrak ACS-64 No. 601, testing at Transportation Technology Center on June 8, 2013. 601 was later involved in the 2015 Philadelphia train derailment.

The design is based on the EuroSprinter and the Vectron platforms, which Siemens sells in Europe and Asia.[7] Significant structural changes to the design were made to comply with American crashworthiness requirements, including the addition of crumple zones and anti-climbing features as well as structural strengthening of the cab, resulting in a heavier locomotive than the previous models.[5][2] The body is a monocoque structure with integral frames and sidewalls.[2]

The locomotives are able to operate from the 25 kV 60 Hz, 12.5 kV 60 Hz, and 12 kV 25 Hz power supplies used on the Northeast Corridor, and have a maximum power of 6,400 kilowatts (8,600 hp).[7] The locomotives are designed to be capable of accelerating 18 Amfleet cars to maximum speeds as high as 125 mph (201 km/h) on the Northeast Corridor in a little over eight minutes,[8] with trains of eight Amfleets taking two and a half minutes to reach the same speed.[9] They had advanced safety systems, including specialized couplers designed to keep trains from rolling over, jackknifing, or derailing during a collision.[10] Additionally, the new locomotives are more energy-efficient than those that they replace, and lack dynamic braking grids in favor of 100% regenerative braking, depending on grid receptiveness. Energy generated from the brake may also be used to meet HEP needs, further reducing current draw from the grid.[10]

Each locomotive has two electrical converter units with three IGBT based, water cooled output inverters per converter. Two of the inverters power the traction motors; the third unit supplies head-end and auxiliary power.[2] The HEP/auxiliary inverters are dual-redundant and identical (rated 1,000 kW or 1,300 hp), allowing the locomotive to remain in service should one inverter fail en route.[8] The locomotive bogies are fabricated steel designs, with low-lying traction links and center pivot pin. The traction motors are frame-mounted, with torque transmitted via a hollow shaft drive. Locomotive braking is facilitated by cheek mounted disc brakes on each wheel.[2]

The locomotives are compliant with the "Buy America Act" and were assembled at the Siemens factory in Florin, California, with traction and electrical equipment being manufactured at Siemens facilities in Norcross and Alpharetta, Georgia.[5] Traction inverters were manufactured in Alpharetta, and the traction motors and gear units were manufactured in Norwood, Ohio.[4]

Amtrak

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Procurement

[edit]

In October 2010, Amtrak ordered 70 locomotives at a cost of US$466 million, to be delivered beginning in February 2013.[3] The order was the second part of Amtrak's company-wide fleet-replacement program, after an order for 130 Viewliner II passenger cars was placed in July 2010. On June 30, 2011, US Secretary of Transportation Ray LaHood announced that Amtrak had received a $562.9 million loan from the federal government's Railroad Rehabilitation and Improvement Financing program for the new locomotives.[11] The additional funding over and above the $466 million will cover capital spare parts and facility improvements to accommodate the ACS-64s.

Amtrak and Siemens Mobility unveiled the first three completed locomotives on May 13, 2013. They were tested during the summer of 2013: Nos. 600 and 601 at the Transportation Technology Center in Pueblo, Colorado, and No. 602 on the NEC.[12][13]

Then-Vice President Joe Biden sits at the controls of ACS-64 No. 600 at a publicity event on February 6, 2014

On February 6, 2014, then-Vice President Joe Biden visited 30th Street Station in Philadelphia to tour ACS-64 #600. In his subsequent remarks he stressed the importance of infrastructure investment as well as the important role Amtrak's new locomotives will play in serving the critical artery of the Northeast Corridor.[14]

Amtrak and Siemens celebrated the completion of the last ACS-64, No. 670, in Florin, California, on June 2, 2016.[15] The celebration concluded with unit No. 670 being towed by Amtrak CEO Joe Boardman's train bound for Washington, D.C.[citation needed] Locomotive No. 670 entered service in August 2016, completing the acceptance of the Amtrak order.[16]

Service

[edit]
Amtrak ACS-64 No. 600 leading its first revenue trip on February 7, 2014

Unit 600 entered service on February 7, 2014, on Northeast Regional train 171 from Boston to Washington, D.C.[17] As the new locomotives entered service, they gradually displaced the electric locomotives that Amtrak had previously operated. The extra six ACS-64 units were to be used to increase the number of locomotives available for use at any point, and to add more frequent service in the future.[18] The final unit, #670, was delivered from Siemens on June 2, 2016,[15] and entered revenue service in August of the same year.[16]

SEPTA

[edit]
SEPTA ACS-64 910 leads a train out of Hatboro station

In May 2015, SEPTA (Philadelphia's mass-transit authority) approved an initial order for 13 ACS-64 locomotives for commuter service to replace its 7 AEM-7 and single ALP-44 locomotives on push-pull express trains, with an option for an additional five locomotives to be added to the order. On November 11, 2015, Siemens announced that it was awarded the $118 million contract for the initial 13 locomotives.[19][20] The total contract value, including the option for additional locomotives, is worth $154 million.[21][22][23]

On February 29, 2016, Amtrak unit 664 began test runs on SEPTA Regional Rail branches to test the height of the locomotives on SEPTA territory, and to ensure clearance through the Center City Tunnel.[24] After testing the unit on most of SEPTA's lines, it was returned to Amtrak on March 21, 2016, for completion of its acceptance testing.[25] From July 2016 until April 2017, SEPTA leased several ACS-64 units to pull five Amfleet cars and several MARC Train sets as emergency rolling stock after all Silverliner V cars were temporarily pulled from service.[26]

SEPTA's first ACS-64 was delivered on December 14, 2017, by which time SEPTA had increased its order to 15 locomotives.[27][28][29] The first unit entered service on the Paoli/Thorndale Line on July 11, 2018.[30]

References

[edit]
  1. ^ Amtrak (February 15, 2011). "PRIIA Specifications for single level cars" (PDF). Archived (PDF) from the original on April 17, 2012. Retrieved November 4, 2013.
  2. ^ a b c d e Latour, Michael (September 2011). "A new face in the Northeast Corridor". Railway Gazette International. Vol. 167, no. 9. Archived from the original on July 4, 2015.
  3. ^ a b "Siemens AG bags $466-mn order from US railroad company Amtrak". domain-b.com. October 29, 2010. Archived from the original on December 26, 2013. Retrieved November 4, 2013.
  4. ^ a b "ACS-64 Info Graphic and Fact Sheet" (PDF). Siemens. Archived (PDF) from the original on March 11, 2018. Retrieved March 10, 2018.
  5. ^ a b c "Amtrak orders Siemens 200 km/h Cities Sprinter locomotives". Railway Gazette International. October 29, 2010. Archived from the original on November 1, 2010. Retrieved October 30, 2010.
  6. ^ "Amtrak City Sprinter Class ACS64 Electric Locomotive For Amtrak's North East Corridor (NEC) High Speed Passenger Service" (PDF). Siemens AG Infrastructure & Cities Sector Rail Systems Division. Archived from the original (PDF) on February 13, 2014. Retrieved December 24, 2013.
  7. ^ a b "Siemens breaks into the U.S. long-distance passenger rail market" (PDF) (Press release). Siemens. October 29, 2010. Archived (PDF) from the original on November 4, 2010. Retrieved October 30, 2010.
  8. ^ a b Michael Latour (June 2011). "Amtrak ACS-64: Speed, power, efficiency". Railway Age. Archived from the original on April 26, 2012. Retrieved June 11, 2011.
  9. ^ "In-cab video of 601 + 8 Amfleets performing an acceleration test at Pueblo, CO". Youtube.com. August 1, 2013. Archived from the original on December 21, 2021.
  10. ^ a b "Amtrak orders 70 new electric locomotives from Siemens". Trains. October 29, 2010. Archived from the original on November 29, 2019. Retrieved October 30, 2010.
  11. ^ "Amtrak receives $562.9m loan to purchase 70 locomotives for Northeast Corridor". Rail.co. June 30, 2011. Archived from the original on March 20, 2012. Retrieved July 1, 2011.
  12. ^ Siemens USA. "Siemens Provides First Look at New Amtrak Locomotives". Synaptic Digital. Archived from the original on March 9, 2021. Retrieved November 4, 2013.
  13. ^ "New Amtrak Locomotives Advancing in Rigorous Testing Program" (Press release). Amtrak. July 29, 2013. Archived from the original on May 17, 2021. Retrieved March 10, 2018.
  14. ^ Matheson, Kathy (February 6, 2014). "Biden stresses infrastructure investment in Philly". Associated Press. Archived from the original on February 21, 2014. Retrieved February 25, 2014.
  15. ^ a b "Siemens completes 70th ACS-64 locomotive for Amtrak". Progressive Railroading. June 2, 2016. Archived from the original on June 6, 2016. Retrieved June 3, 2016.
  16. ^ a b "ACS-64 Locomotives Usher in New Era of Mobility on Northeast Corridor". All Aboard: The Official Blog of Amtrak (Press release). Amtrak. August 2016. Archived from the original on September 20, 2016. Retrieved August 9, 2016.
  17. ^ "New Amtrak Locomotives Ready for Service and Set to Power Northeast Economy" (Press release). Amtrak. February 6, 2014. Archived from the original on February 27, 2021. Retrieved March 10, 2018.
  18. ^ "Amtrak contracts Siemens to supply 70 electric locomotives". Progressive Railroading. October 29, 2010. Retrieved October 29, 2010.
  19. ^ Worrell, Carolina (November 11, 2015). "Siemens to build new locomotives for SEPTA". www.railwayage.com. Archived from the original on November 14, 2015. Retrieved November 12, 2015.
  20. ^ Siemens USA (November 11, 2015). "Siemens to build 13 electric locomotives for the Southeastern Pennsylvania Transportation Authority". Archived from the original on July 12, 2018. Retrieved November 12, 2015.
  21. ^ Dan, McQuade (November 11, 2015). "SEPTA Is Buying 13 New Locomotives for $113 Million". Philadelphia Magazine. Archived from the original on December 7, 2017. Retrieved December 6, 2017.
  22. ^ Nussbaum, Paul (May 27, 2015). "SEPTA plans to spend $154 million on new locomotives". The Philadelphia Inquirer. Archived from the original on May 28, 2015. Retrieved May 29, 2015.
  23. ^ "May 2015 Special Agenda" (PDF). Southeastern Pennsylvania Transportation Authority. May 2015. Archived from the original (PDF) on June 18, 2021. Retrieved July 3, 2015.
  24. ^ "SEPTA testing an ACS-64 in March". Trains News Wire. March 1, 2016. Archived from the original on August 17, 2016. Retrieved July 20, 2016.
  25. ^ "Railfan Pictures of the Week - 3/27/2016". The Philadelphia Chapter of the National Railway Historical Society. March 27, 2016. Archived from the original on April 11, 2016.
  26. ^ Smith, Sandy (July 8, 2016). "SEPTA to Add 1,700 Regional Rail Seats Starting Monday". Philadelphia Magazine. Archived from the original on July 22, 2016. Retrieved July 19, 2016.
  27. ^ "Siemens delivers new locomotives to Baltimore, Philadelphia agencies". Progressive Railroading. December 18, 2017. Archived from the original on December 22, 2017. Retrieved March 12, 2018.
  28. ^ "Siemens ships first ACS-64 locomotive for SEPTA". Railway Age. December 7, 2017. Archived from the original on July 11, 2018. Retrieved March 12, 2018.
  29. ^ "SEPTA's first new electric locomotive has pulled into Philly". Curbed Philadelphia. December 15, 2017. Archived from the original on April 22, 2023. Retrieved January 30, 2018.
  30. ^ Gambardello, Joseph A. (July 11, 2018). "SEPTA's new Regional Rail locomotive makes debut". The Philadelphia Inquirer. Archived from the original on July 11, 2018. Retrieved July 12, 2018.

Further reading

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[edit]

Media related to Siemens ACS-64 locomotives at Wikimedia Commons

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