The MPI MP21B is a low-emissions

diesel Diesel may refer to: * Diesel engine, an internal combustion engine where ignition is caused by compression * Diesel fuel, a liquid fuel used in diesel engines * Diesel locomotive, a railway locomotive in which the prime mover is a diesel engine ...

switcher A switcher locomotive (American English), shunter locomotive (British English), station pilot (British English), or shifter locomotive (Pennsylvania Railroad terminology) is a locomotive used for maneuvering railway vehicles over short distanc ...

locomotive A locomotive is a rail transport, rail vehicle that provides the motive power for a train. Traditionally, locomotives pulled trains from the front. However, Push–pull train, push–pull operation has become common, and in the pursuit for ...

built by

MotivePower 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.Cummins Cummins Inc. is an American multinational corporation, multinational corporation that designs, manufactures, and distributes engines, electric vehicle components, and power generation products. Cummins also services engines and related equipmen ...

QSK19C I6 engines with each one developing and creating a total power output of . One MP21B locomotive was manufactured, currently operated by

Amtrak The National Railroad Passenger Corporation, Trade name, doing business as Amtrak (; ), is the national Passenger train, passenger railroad company of the United States. It operates intercity rail service in 46 of the 48 contiguous United Stat ...

References

External links

Genset Locomotive Rosters
– Information and resource site for low-emission switcher locomotives built by Motive Power Industries. B-B locomotives MPI locomotives Railway locomotives introduced in 2008 Diesel–electric locomotives of the United States Individual locomotives of the United States EPA Tier 2-compliant locomotives of the United States Amtrak locomotives Standard-gauge locomotives of the United States Unique locomotives Shunting locomotives {{diesel-loco-stub