MPI MP20B
The MPI MP20B is a diesel-electric locomotive designed and built by MotivePower in Boise, Idaho.
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Specifications
It has a 2,000 hp (1,490 kW) MTU-Detroit Diesel 12V4000 engine. It weighs approximately 277,000 lb and is 59 ft 2 in 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]
Union Pacific MP20Bs were powered by a Caterpillar 3516C.[2]
Owners
| Owner | Built | Number | Notes |
|---|---|---|---|
| Pacific Harbor Line[3] | 2008 | 2 | |
| New Jersey Transit[4][5] | 2008 | 5 | Rebuilt from EMD GP40FH-2s |
| Union Pacific[6] | 2008 | 13 | Rebuilt from EMD GP50s[2] |
References
- MPE-X Low Emissions Locomotives MotivePower
- UP receives cool Cats from Boise Trains July 2007 page 24
- "Pacific Harbor Line". The Diesel Shop. Retrieved 7 October 2010.
- "New Jersey Transit Fleet". The Diesel Shop. Retrieved 7 October 2010.
- MotivePower/Wabtec Green Rail News
- "UP Diesel Locomotive Roster, UP Yard Switch Roster, Part 3". UtahRails.net. Retrieved 7 October 2010.
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