The MPI MP20B is a diesel-electric locomotive designed and built by MotivePower in Boise, Idaho.
Specifications The MP20 has a MTU-Detroit Diesel 12V4000 engine. It weighs approximately 277,000 lb and is 59 ft 2 in long. It has a maximum speed of . It also includes a B-B wheel arrangement and an optional dynamic brake. It includes a continuous tractive effort of and a starting tractive effort of .MPE-X Low Emissions Locomotives MotivePower
Union Pacific MP20Bs were powered by a Caterpillar 3516C.UP receives cool Cats from Boise Trains July 2007 page 24
Owners Owner Built Quantity Notes Pacific Harbor Line 2008 2 Rebuilt from EMD GP40 and EMD GP38 New Jersey TransitMotivePower/Wabtec Green Rail News 2007-2008 5 Rebuilt from EMD GP40FH-2s Union Pacific 2008 13 Rebuilt from EMD GP50s
References