MP21B Ultra Low Emissions Multi-Engine Locomotive

Wabtec Products Ultra Low Emissions Multi-Engine Locomotive

As an industry leader in the design, manufacture and remanufacture of diesel – electric locomotives, MotivePower has delivered over 2,500 locomotives to customers since 1972.

  • 35% or more fuel savings depending on duty cycle
  • 80-90% less NOx; 70-80% less PM
  • Tier 3 nonroad emissions levels
  • Modular design for mobile maintenance
  • Pressurized engine compartment
  • High tractive effort; improved adhesion
  • Integrated auto start/stop; less idling
  • Redundant systems for improved reliability

MP21B Multi-Engine

  • Horsepower: 2,100 bhp (700 bhp x 3)
  • Engine: Cummins Qsk-19 (Tier 3 nonroad)
  • Traction Motors:  D77 / D78
  • Maximum Speed (nominal): 50 mph
  • Continuous Tractive Effort: 55,000 lbs
  • Starting Tractive Effort: 85,000 lbs
  • Weight: (nominal) 270,000 
  • Length: 59’ 2”
  • Height: Plate C / Plate 
  • Fuel Capacity: 2,500 gal
  • Alternators: 1800 rpm constant speed
  • Air Compressor:  Electric driven rotary screw
  • Dynamic Brake: Optional
  • Locomotive Control:  Q-Tron QES III microprocessor

*1,400 bhp model (Mp14b) coming soon