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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 type Diesel-electric Builder National Railway Equipment (NREC) Model 1GS7B Build date September 2008 – Present Total produced 7
Specifications Gauge 4 ft 8+1⁄2 in (1,435 mm) Prime mover Cummins QSK19C Engine type Straight-six engine Aspiration Turbocharger Cylinders 6
Performance figures Power output 700 hp (522 kW)
Career Operators See list

Original Buyers

Railroad	Quantity	Road numbers	Notes
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
Total	7[3]

See also

• List of NRE locomotives
• List of GM-EMD locomotives

References

External links

• National Railway Equipment – Official NRE Website
• National Railway Equipment – Official N-ViroMotive Product Page
• – 1GS7B Photographs

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