EMD GP50

EMD GP50

A BN train westbound through Eola, Illinois, led by a GP50
Type and origin
Power type Diesel-electric
Builder General Motors Electro-Motive Division (EMD)
Model GP50
Build date 1980 – 1985
Total produced 278
Specifications
Configuration:
 ​
 • AAR B-B
Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Length 59 ft 2 in (18.03 m)
Prime mover EMD 16-645F3B
Engine type V16 diesel
Cylinders 16
Performance figures
Power output 3,500–3,600 hp (2,610–2,685 kW)

An EMD GP50 is a 4-axle diesel-electric locomotive built by General Motors Electro-Motive Division (EMD). It is powered by a 16-cylinder EMD 645F3B diesel engine, which can produce between 3,500 and 3,600 hp (2,610 and 2,685 kW). 278 examples of this locomotive were built by EMD between 1980 and 1985. BN 3110-3162 were all delivered with five cab seats, the final five of these having the cab lengthened 23 in (584 mm) vs. the standard EMD cab. The GP50 retains the same overall length of 59 feet 2 inches (18.03 meters) as the EMD GP38, EMD GP38-2, EMD GP39, EMD GP39-2, EMD GP40 and EMD GP40-2.

In 2014–2015 the Norfolk Southern Railway rebuilt 25 GP50s into the low-emission GP33ECO.[1]

Original Owners

Railroad Quantity Road numbers Notes
Atchison, Topeka and Santa Fe Railway 45 3810-3854 All now in service with BNSF Railway
Burlington Northern Railroad 63 3100-3162 3100-3109 ordered by St. Louis – San Francisco Railway, but delivered to BN. 3100 only one that received Frisco colors, though with BN number. Most now in service with BNSF Railway
Chicago and North Western Railway 50 5050-5099 To Union Pacific Railroad; since retired.
Missouri Pacific Railroad 30 3500-3529
Southern Railway 90 7003-7092 High hood units; passed to successor NS. All retired or rebuilt to different configurations, 25 being converted to GP33ECO.

References

  1. ↑ "NS unveils first publicly funded GP33ECO locomotives". Trains. January 6, 2015. Retrieved 12 January 2015. (subscription required)
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