MPI MP20B
      MPI MP20B| 
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| Performance figures | 
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 | Maximum speed | 
70 mph (113 km/h) | 
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 | Power output | 
2,000 hp (1,490 kW) | 
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 | Tractive effort | 
85,000 lbf (380 kN) starting   55,000 lbf (240 kN) continuous | 
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The MPI MP20B is a diesel-electric locomotive designed and built by Motive Power in Boise, Idaho.
Specifications
It has a 2,000 hp (1,490 kW) MTU-Detroit Diesel 12V4000 Engine. It weighs approximately 277,000 lbs. and is 59' 2" long. It has a maximum speed of 70 mph (113 km/h). It also includes a B-B wheel arrangement and an optional dynamic brake. It includes a continuous tractive effort of 55,000 lbf (240,000 N) and a starting tractive effort of 85,000 lbf (380,000 N).[1]
Owners
References
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| Six-axle freight |  | 
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| Passenger |  | 
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