National Railway Equipment Company 3GS21B
United States 2006 180+ produced
The 3GS21B is a genset locomotive offered by National Railway Equipment. Power comes from three Cummins QSK19C with 700 hp each, which are standard engines widely used in the industry. In contrast to the 3GS21C, it only stands on two-axle trucks. From a total of more than 180 built, BNSF was the biggest customer with 72. Also the Union Pacific ordered 59. Additionally to the standard locomotives, three slugs were built without cabs and diesel engines.
Technical data
General
- Built
- seit 2006
- Manufacturers
- National Railway Equipment
- Wheel arrangement
- B-B
- Gauge
- 1,435 mm (Standard gauge)
Dimensions and weights
- Service mass
- 120.2 t
- Adhesion mass
- 120.2 t
- Axle load
- 30.1 t
Power plant
- Engine
- Cummins QSK19C
- Engine type
- 3x 6-cyl. diesel
Power
- Power source
- diesel-electric
- Indicated power
- 1,566 kW (2,129 PS)
- Top speed
- 105 km/h
- Starting effort
- 358.1 kN
Calculated values
- Factor of adhesion
- 1 : 3.29
- Power-to-weight ratio
- 13.0 kW/t
- Adhesive weight/Total
- 1 : 1.00
