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BN 3157 IL Eola.jpg
A BN train westbound through Eola, Illinois, led by a GP50
Power type Diesel-electric
Builder General Motors Electro-Motive Division (EMD)
Model GP50
Build date 1980 – 1985
Total produced 278
AAR wheel arr. B-B
Length 59 ft 2 in (18.03 m)
Prime mover EMD 16-645F3B
Cylinders V16
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. A version of this locomotive called the GP50L was produced with an extended cab. The GP50 rides on the same frame as the EMD GP38, EMD GP38-2, EMD GP39, EMD GP39-2, EMD GP40 and EMD GP40-2, giving it an overall length of 59 feet 2 inches (18.03 meters).

Original Owners[edit]

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 Most now in service with BNSF Railway
Chicago and North Western Railway 50 5050-5099 All now in service with Union Pacific Railroad
Missouri Pacific Railroad 30 3500-3529
St. Louis – San Francisco Railway 9 790-799 All went to service with BN. All units were delivered shortly after the merger. #3100 (SLSF #791) was delivered in Orange and White, but with the BN numbers in Orange with no BN lettering. The rest 3101-3109 (SLSF #790 and #792-799) were delivered in BN paint.
Southern Railway 90 7003-7092 High hood units; 34 active, 56 retired.

External links[edit]