|Type and origin|
|Build date||2008– Present|
|Gauge||4 ft 8 1⁄2 in (1,435 mm)|
|Prime mover||Cummins QSK19C (×2)|
|Engine type||Straight-six engine|
|Power output||1,400 hp (1,040 kW)|
The MPI MP14B is a low-emissions diesel switcher locomotive built by MotivePower Industries. It is powered by two Cummins QSK19C I6 engines with each one developing 700 horsepower (522 kW) and creating a total power output of 1,400 horsepower (1,040 kW). 
The MPI MP14B is nearly identical to the MPI MP21B except that it has one fewer engine.
- "MotivePower/Wabtec Genset Roster". Green Rail News. Retrieved 4 September 2013.
- MPI Genset Locomotive Rosters – Information and resource site for low-emission switcher locomotives built by Motive Power Industries.
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