The EMD SD40-2 is a 3,000-horsepower (2,200 kW) C-C diesel–electric locomotive built by EMD from 1972 to 1989. The SD40-2 was introduced in January 1972 as part of EMD's Dash 2 series, competing against the GE U30C .

Locomotive Wheel Base: 53'-07" Minimum Turning Radious: 30 degrees --Fuel Oil: 3200; Lubricating Oil: 395 Engine Cooling Water: 275; Sand Capacity: 56 cu. ft. Options:-Artwork by Jean-Denis Bachand; Reference Sources: Diesel Locomtoives, Vol.2, by Bob Hayden Illustrated Treasury of GM Locomotives, by James W. Kerr

2024年12月16日 · The new computer system controlled everything from voltage regulation, battery charging and excitation and throttle response to wheel-slip control, dynamic brakes, and the locomotive's sanders. The SD40-2 also featured EMD's latest AR10 alternator; its rectifier - with four banks of solid state silicon diodes - could quickly convert AC to DC ...

2007年9月27日 · The EMD SD40-2 is a 3,000-horsepower (2,200 kW) C-C diesel-electric locomotive built by EMD from 1972 to 1989. The SD40-2 was introduced in January 1972 as part of EMD's Dash 2 series, competing against the GE U30C and the ALCO Century 630.

The General Motors Model SD40-2 locomotive, illustrated in the introduction, is equipped with a turbocharged diesel engine that delivers 3000 horsepower to the main generator for tractive purposes. This power is then distributed to the traction motors, each of which is directly geared to a pair of driving wheels.

The EMD SD40 is an American 6-axle diesel-electric locomotive built by General Motors Electro-Motive Division between January 1966 and August 1972. 1,268 locomotives were built between 1966 and 1972. In 1972, an improved version with new electronics was developed and marketed as a new locomotive, the SD40-2 .

2024年1月17日 · The SD40-2 is a diesel-electric locomotive design of American origin primarily used in the freight-hauling role. The unit debuted in 1972 under the Dash 2 series branding and was built from January 1972 until October 1989 and a total of 3,982 units were produced by GM Electro-Motive Division (EMD), General Motors Diesel (GMD), Material y ...

2024年3月25日 · History and overview of the EMD SD40 six-axle, 3,000-hp diesel locomotive and the railroads that operated it

In 1972, an improved version with new electronics was developed and marketed as a new locomotive, the SD40-2. Like its predecessor in EMD's catalog, the SD35, the SD40 is a high-horsepower, six-axle freight locomotive. The SD40 is a member of EMD's long-running Special Duty class of locomotives, which all are built with 6 axles.

This is a summary, listing every diesel locomotive from the SD40-series in preservation. This list includes the models SD40, SDP40, SD40A, SD40-2, SDP40F, SD40T-2, SD40-2W, SD40-2S.