Motive Power Industries MP21B  | 
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| Data Sheet Compiled by:   Jean-Denis Bachand | 
| Revised:  23 April 2014 | 
Artwork by:  Jean-Denis Bachand | 
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|  Engine Builder: Cummins | 
Engine:  QSK19 (3) 6L  | 
|  Cycle:  4 | 
EPA Tier 3 | 
| Number of Engines: 3 | 
Total Horsepower:  2100 | 
| Main Generator: KATO | 
Model:  300 | 
| Gear Ratio: 62:15  | 
Speed: 50 mph   | 
| Trucks:   4-Wheel | 
Configuration: B-B  | 
| Traction Motor Blowers: Delco (4) | 
Model: Electrical Drive | 
| Weight: 270,000 lbs | 
Traction Motors: GM D77/78 (4)   | 
| Tractive Effort (starting) 85,000 lbs @ 25% | 
Tractive Effort (continuous): 55,000 lbs @ 9.3mph | 
| Multiple Unit Capability: Yes | 
Dynamic Braking:  Optional | 
| Auxilary Generator:  Newage | 
Alternator:  1800 rpm constant speed | 
| Air Compressor: | 
Electric-driven rotary screw | 
| Air Brake:  Westinghouse | 
Model:  26L | 
| Quantity Built:  1 
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Dates: 12/2007 to Date | 
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| Exterior Dimensions
 | MP21B | 
| Total Length | 
59'-02" | 
| Wheel Diameter | 
40" | 
| Truck Wheel Base | 
9'-00" | 
| Height to Top Cab  | 
15'-05" | 
| Cab Width | 
10'-04" | 
| Height of Walkway | 
9'-04.5" | 
| Distance between truck centers: | 
34'-00" | 
| Locomotive Wheelbase: | 
43-00" | 
| Minimum Turning Radious | 
30 degrees  | 
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| Fuel Oil:  2500
 | Sand Capacity:  26 cu. ft. | 
Options: 
- Q-Tron QES III Microprocessor 
 - Constant-speed Generator/Alternator
 - Individual Motor Cut-out
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- Trains, December 2007
- Motive Power Industries, Technical Data Brochure
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