In the late 1990s, Amtrak converted a handful of its F40PH locomotives to locomotives suitable for freight service. At the time, new Genesis engines from General Electric were fast replacing its ...

Amtrak SDP40F diesel locomotives were derived from the best-selling SD40-2 platform but were far from a success on their own. The SDP40F shared its 72-foot, 4-inch frame with the predecessor ...