The EMD GP20 is a 4-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between November 1959 and April 1962. Power was provided by an EMD 16-567D2 16- cylinder turbocharged engine which generated 2,000 horsepower (1,500 kW).

Dec 16, 2024 · Electro-Motive's GP20 was the builder's first turbocharged model in the General Purpose series. Interestingly, it was inspired by Union Pacific's efforts to turbocharge the 567 prime mover. It was also the first road-switcher offered with a standard low nose/hood, designed to provide crews greater forward visibility.

EMD GP20; Data Sheet Information Compiled by: JEAN-DENIS BACHAND: New: 9 June 2006: Artwork by: Jean-Denis Bachand-Engine Builder: EMD: Engine: 567D2 16 cylinder: Bore & Stroke: 8.5" X 10" RPM (Maximum / Minimum) 800 / 275 : Main Generator: GM - D22: Horsepower: 2000: Gear Ratio: 62:15 :

Sep 7, 2022 · The EMD GP20 model was born out of the necessity by EMD to get greater horsepower out of a diesel locomotive. During the late 1950s, trains became heavier, schedules tighter, and there was a call for locomotives with more horsepower.

ATSF EMD GP20/GP20u 1100 class renumbered to 3100 and 3000 classes rebuilt to GP20u: master power roster with specifications and references

Jul 5, 2009 · The Electromotive Division GP20 is a 4 axle, 2,000 HP diesel-electric locomotive built by EMD from 1959 to 1962. It used a turbo-charged 16 cylinder 567D2 engine rated 2,000 HP, the first locomotive built by EMD to use a turbo charger.

Apr 6, 2025 · Does anybody have solid info as to the HP ratings of the Milwaukee GP9 rebuild with 16/645E engines and reclassed as GP20? Also, where can I expect to find frame numbers on GP9s?

An EMD GP20 is a 4-axle (B-B) diesel-electric locomotive built by General Motors' Electro-Motive Division between November 1959 and April 1962. Power was provided by an EMD 567D2 16-cylinder turbocharged engine which generated 2,000 horsepower(1,500 kW).

The Electro-Motive GP20 was designed to satisfy the railroads’ 1960s demands for ever-more horsepower. In a production run lasting from November 1959 to April 1962, the EMD GP20 came to symbolize both the beginnings of the “second generation” of North American dieselization and the “horsepower race” of the early 1960s.

Feb 24, 2025 · The EMD GP20 was a 1950s-originated diesel-electric American freight locomotive and a product of the General Motors (GM) Electro-Motive Division (EMD). The production run of this loco spanned from November 1969 …