by bostontrainguy
The MP54AC is the latest locomotive in the MPXpress family. It is designed to meet Tier 4 emissions standard. The MP54AC uses a pair of Cummins 16-cylinder QSK60 engines rated at 2,700 hp which qualifies it as the most powerful diesel-electric passenger locomotive in North America. During periods of low power demand the locomotive can operate on just one engine. The MP54AC is intended to compete with the EMD F125 and Siemens Charger.
How many Amtrak trains could run with one engine I wonder.
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