NRE 1GS7B

The NRE 1GS7B is a low-emissions diesel switcher locomotive built by National Railway Equipment. It is powered by a single Cummins QSK19C I6 engine which develops a total power output of 700 horsepower (522 kW). There have been nine 1GS7B locomotives produced to date, manufactured at NREC's Mount Vernon shops in Southern Illinois, and at NREC's Dixmoor shops.[1] It's also the only current single-engine switcher marketed in NRE's N-ViroMotive catalog.

NRE 1GS7B
Type and origin
Power typeDiesel-electric
BuilderNational Railway Equipment (NREC)
Model1GS7B
Build dateSeptember 2008 – Present
Total produced7
Specifications
Gauge4 ft 8 1⁄2 in (1,435 mm)
Prime moverCummins QSK19C
Engine typeStraight-six engine
AspirationTurbocharger
Cylinders6
Performance figures
Power output700 hp (522 kW)
Career
OperatorsSee list

Original Buyers
RailroadQuantityRoad numbersNotes
Alliance Grain Terminal[2]
1
2605
Bunge
4
8001-8004
National Railway Equipment
1
700
Demonstration Unit
Northrop Grumman
1
507
Viterra
1
2010
Wisconsin Public Services
1
100
Total7[3]
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See also

References
  1. Train Web: Gensets Gen-set switchers by National Railway Equipment.
  2. Alliance Grain Terminal Archived 2013-01-31 at Archive.today
  3. Train Web: Gensets Roster information on NREC 1GS7B engines.
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