NRE 1GS-7B Diesel-Electric Locomotive
The NRE 1GS-7B 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 1GS-7B locomotives produced to date, manufactured at NREC's Mount Vernonshops in Southern Illinois, and at NREC'S Dixmoor shops. It's also the only current single-engine switcher marketed in NRE's N-ViroMotive catalog.

Original Buyers

Owner: Alliance Grain Terminal
Quantity: 1
Road number: 2605

Owner: Bunge
Quantity: 4
Road numbers: 8001-8004

Owner: National Railway Equipment
Quantity: 1
Road number: 700
Remarks: Demonstration Unit

Owner: Northrop Grumman
Quantity: 1
Road number: 507

Owner: Viterra
Quantity: 1
Road number: 2010

Owner: Wisconsin Public Services
Quantity: 1
Road number: 100

Total Units: 9

NRE 1GS7B Overview
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
Dimensions

AARPlate2: Plate L
Length Over Coupler Pulling Faces: 50’2”
Width Over Grab Irons: 10’
Maximum Height Above Rail: 16’3”
Wheel Diameter: 40”
Weight: 265,000lbs
Supplies
Fuel: 1100gal
Sand: 48 cu ft
Coolant Per N Gen: 45gal
Lubricating Oil Per N Gen: 80gal
Used Lube Oil Reservoir: 200gal
Retention Tank: 100gal
Equipment
Generator Model: 572RDL
Air Compressor Model: GAR30
Air Brake Model: CCB26
Microprocessor Model: NFORCE
Traction Motors: D77-78
Performance figures
Power output: 700 hp (522 kW)

See also:

NRE N-ViroMotive Locomotives

Low-Emission Locomotives

Diesel-Electric Locomotives

Locomotives

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NRE 1GS-7B Diesel-Electric Locomotive.

An NRE 1GS-7B Diesel-Electric Locomotive.

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