MPI MP20B

The MPI MP20B is a diesel-electric locomotive designed and built by MotivePower in Boise, Idaho.

MPI MP20B
Type and origin Power type Diesel-electric Builder MotivePower Ind. Model MP20B Build date 2008 – Present Total produced 21
Specifications Configuration: ​  • UIC B-B Gauge 4 ft 8 ^1⁄2 in (1,435 mm) Length 59 ft 2 in (18.03 m) Loco weight 277,000 lb (126,000 kg) Prime mover MTU-Detroit Diesel 12V4000
Performance figures Maximum speed 70 mph (113 km/h) Power output 2,000 hp (1,490 kW) Tractive effort 85,000 lbf (380 kN) starting 55,000 lbf (240 kN) continuous

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]

Owners

Owner	Built	Number	Notes
Pacific Harbor Line[2]	2008	2
New Jersey Transit[3][4]	2008	5	Rebuilt from former GP40FH-2 locomotives
Union Pacific[5]	2008	13

References

1. "MPE-X Low Emissions Locomotives". MotivePower Industries. Retrieved 7 October 2010.
2. "Pacific Harbor Line". The Diesel Shop. Retrieved 7 October 2010.
3. "New Jersey Transit Fleet". The Diesel Shop. Retrieved 7 October 2010.
4. "MotivePower/Wabtec". Green Rail News. Retrieved 7 October 2010.
5. "UP Diesel Locomotive Roster, UP Yard Switch Roster, Part 3". UtahRails.net. Retrieved 7 October 2010.