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Amtrak puts out RFP for new and rebuilt locomotives.

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[quote user="YoHo1975"]Rumor on Loconotes is that for rebuilds, they're looking at rebuilding the P42s to AC. [/quote] That is not a rumor. The RFP says: Supply and delivery of EITHER (a) General Electric P42-8 locomotives to be rebuilt with alternating current (AC) propulsion OR (b) new long distance diesel-electric locomotives with Alternative Power and Structure Options AND (c) TSSSA for above-referenced locomotives. Source: <a href="https://procurement.amtrak.com/irj/portal/anonymous?NavigationTarget=navurl://7e7c6db809b56f05f8e58e6565a217df">https://procurement.amtrak.com/irj/portal/anonymous?NavigationTarget=navurl://7e7c6db809b56f05f8e58e6565a217df</a> and then DOC733896. The rebuilt P42 has to comply to EPA Tier 1+. That is possible with the 7FDL-16. Putting the innards of the HSP46 into the P42 shell looks like a challenge. The P42 is 2 ft shorter and 1 ft lower. The Gevo T3 is heavier than the FDL, the cooling system larger and heavier, and you have the weight of the additional AC equipment (IGBT etc.). My personal opinion? I think as rebuilding offer we'll see a high-speed diesel engine replacement to address the load restriction of the P42's monocoque. Better suited would be new locomotives I think, otherwise we talk about the same topic again in 10 to 15 years. That was one of the reasons why Amtrak choose to buy the new Genesis series instead of rebuilding the F40PH. Regards, Volker
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