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[5] [7]: 18 Early American locomotives had bar frames, made from steel bar; in the 20th century they usually had cast steel frames or, in the final decades of steam locomotive design, a cast steel locomotive bed – a one-piece steel casting for the entire locomotive frame, cylinders, valve chests, steam pipes, and smokebox saddle, all as a ...
MotivePower, Inc. (MPI) was an American manufacturer of diesel-electric locomotives. The company traces its history back to being a division of Morrison-Knudsen (MK) since 1972. [1] After MotivePower spun-off from MK, the company merged with the air brake manufacturer WABCO to form "Wabtec" in 1999, remaining as a brand of it.
The GE Dash 8-40B (or B40-8) is a 4-axle diesel-electric locomotive built by GE Transportation between 1988 and 1989. It is part of the GE Dash 8 Series of freight locomotives. A total of 151 examples of this locomotive were built for North American railroads. The GE Dash 8-40BW (B40-8W) is a variant fitted with a full-width cab.
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The MP54AC is a genset locomotive, using a pair of Cummins QSK60 60-liter, 16-cylinder engines rated at 2,700 hp each (5,400 hp total) and during periods of low power demand, the locomotive can operate on just one engine to reduce noise pollution and boost fuel efficiency. The 5,400 total horsepower qualifies the MP54AC as the most powerful ...
The MPI MP14B is a low-emissions diesel switcher locomotive built by MotivePower. It is powered by two Cummins QSK19C I6 engines with each one developing 700 horsepower (522 kW) and creating a total power output of 1,400 horsepower (1,040 kW). [1] The MPI MP14B is nearly identical to the MPI MP21B except that it has one fewer engine.
The GP15D is a four-axle B-B switcher built by MotivePower and Electro-Motive Diesel. It was supplied with a Caterpillar 3512 (called a 12-170B15-T2 by EMD) V12 prime mover which develops a total power output of 1,500 horsepower (1,120 kW). Ten units were manufactured by EMD during June 2000.
The following is a list of locomotives produced by the Electro-Motive Corporation (EMC), and its successors General Motors Electro-Motive Division (GM-EMD) and Electro-Motive Diesel (EMD). Streamlined power cars and early experimental locomotives