The MPI MP20C is a

switcher A switcher, shunter, yard pilot, switch engine, yard goat, or shifter is a small railroad locomotive used for manoeuvring railroad cars inside a rail yard in a process known as ''switching'' (US) or ''shunting'' (UK). Switchers are not inte ...

diesel locomotive A diesel locomotive is a type of railway locomotive in which the prime mover is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conveyed to the driving whe ...

designed and built by

MotivePower MotivePower, Inc. (MPI) is an American manufacturer of diesel-electric locomotives. The company is a wholly-owned subsidiary of Wabtec, and traces its history back to the MK Rail division of Morrison-Knudsen. History Morrison-Knudsen esta ...

Boise, Idaho Boise (, , ) is the capital and most populous city of the U.S. state of Idaho and is the county seat of Ada County. On the Boise River in southwestern Idaho, it is east of the Oregon border and north of the Nevada border. The downtown ...

Specifications

It has a MTU- Detroit Diesel 12V4000 engine. It weighs approximately 390,000 lb and is long. It has a maximum speed of . It also includes a C-C wheel arrangement and an optional

dynamic brake Dynamic braking is the use of an electric traction motor as a generator when slowing a vehicle such as an electric or diesel-electric locomotive. It is termed " rheostatic" if the generated electrical power is dissipated as heat in brake gri ...

. It includes a continuous tractive effort of and a starting tractive effort of .MPE-X Low Emissions Locomotives

It is built on an

EMD GP40 The GP40 is a 4-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between November 1965 and December 1971. It has an EMD 645E3 16-cylinder engine generating . The GP40 is longer than its EMD 567D3A-engined pre ...

frame.Inside, this newcomer is no SD40 ''

Trains In rail transport, a train (from Old French , from Latin , "to pull, to draw") is a series of connected vehicles that run along a railway track and transport people or freight. Trains are typically pulled or pushed by locomotives (often k ...

'' August 2007 pages 24/25

Owners

References

{{diesel-loco-stub C-C locomotives Diesel-electric locomotives of the United States EPA Tier 2-compliant locomotives of the United States MPI locomotives Railway locomotives introduced in 2007 Standard gauge locomotives of the United States