EMD F69PHAC

{{Short description|Experimental North American diesel locomotive}}

{{more footnotes|date=April 2017}}

{{Infobox locomotive

| name = EMD F69PHAC

| powertype = Diesel

| image = File:Amrtrak F69PHAC.jpg

| caption = Amtrak 450 and 451, the only two F69PHAC units ever built, leading the demo ICE Train westward out of Galesburg, IL.

| builderordernumber =

| serialnumber =

| buildmodel = EMD F69PHAC

| builddate = June 1989

| totalproduction = 2

| aarwheels = B-B

| uicclass = Bo'Bo'

| gauge = {{track gauge|ussg|allk=on}}

| trucks =

| wheeldiameter = 40in (1060mm)

| trailingdiameter =

| minimumcurve =

| wheelbase =

| length = {{convert|58|ft|2|in|m|2|abbr=on}}

| width =

| height =

| axleload =

| weightondrivers =

| locoweight = {{convert|262000|lb|kg|0|abbr=on}}

| fueltype = Diesel

| fuelcap = {{convert|1800|USgal|abbr=on}}

| lubecap =

| coolantcap =

| watercap =

| sandcap =

| consumption =

| watercons =

| primemover = EMD 12-710

| rpmrange =

| enginetype = Two-stroke diesel V12

| aspiration = Turbocharged

| displacement =

| alternator =

| tractionmotors = 1TB 2626-0TA02

| headendpower = 800 kW / 1000kVA inverter

| cylindercount = 12

| cylindersize =

| transmission =

| gear ratio = 79:22

| maxspeed = {{convert|110|mph|abbr=on|sigfig=3}}

| poweroutput = {{convert|3000|hp|MW|3|abbr=on}} (No HEP)
{{convert|1930|hp|MW|3|abbr=on}} (Max HEP)

| t/e starting = 62,000 lbs (276 kN)

| t/e continuous = 50,000 lbs (222 kN)

| factorofadhesion =

| locobrakes =

| locobrakeforce =

| trainbrakes = Air

| safety =

| operator = US DOT

| operatorclass =

| numinclass =

| fleetnumbers = Amtrak 450–451

| officialname =

| nicknames = Winnebago, Zephyr

| axleloadclass =

| locale = United States

| deliverydate =

| firstrundate =

| lastrundate =

| retiredate = 1999

| preservedunits =

| restoredate =

| scrapdate =

| currentowner =

| disposition = Both units sold to National Rail Equipment Co. in derelict condition.

}}

The EMD F69PHAC was an experimental locomotive built in 1989 in a joint venture between EMD and Siemens. It was designed to test AC locomotive technology. Only two examples of this locomotive were made. The engine used the same carbody as the EMD F40PHM-2, with just a few spotting differences.{{cite conference |title=AC three-phase power transmission system for Amtrak's new locomotives F69PH-AC |last1=Fischer |first1=J. W. |date=1989 |publisher=American Society of Mechanical Engineers |book-title=Proceedings., Technical Papers Presented at the IEEE/ASME Joint Railroad Conference | doi=10.1109/RRCON.1989.77275 }}

They were built for the United States Department of Transportation and loaned to Amtrak in 1990, sporting Phase III paint. They were returned to EMD and later used with the German ICE train demonstration that was on loan to Amtrak in 1992–1993. They were repainted in ICE paint. The two F69PHAC locomotives were again returned to EMD, where they were finally retired in 1999. Both of the locomotives still exist in a scrap yard, more specifically National Railway Equipment, in Mount Vernon, Illinois, stripped of numerous parts.{{Cite web|url=http://www.rrpicturearchives.net/locopicture.aspx?id=55372|title=Pictures of NREX 451|website=www.rrpicturearchives.net|access-date=2016-11-18}}{{cite book |last1=Foster |first1=Gerald L. |title=A field guide to trains of North America |date=1996 |publisher=Houghton Mifflin |location=Boston |isbn=0-395-70112-0 |page=96}}