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.

Engine Hood Width: 7'-00" Distance between truck centers: 40'-00" 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

No other second-generation locomotive compared to the SD40 series; its two flagship models defined EMD's dedication to quality during this era. The SD40-2 became the industry standard throughout the 1970s and 1980s and remains in regular service today.

The SD40 is a member of EMD's long-running Special Duty class of locomotives, which all are built with 6 axles. In 1966, EMD updated its locomotive catalog with entirely new models, all powered by the new 645 diesel engine.

The SD40T-2 is a model of diesel-electric locomotive built by General Motors Electro-Motive Division in the United States. The SD40T-2 is equipped with a 16-cylinder EMD 645E3 diesel engine producing 3,000 horsepower (2,240 kW). 312 SD40T-2s were built for three railroads in the United States between April 1974 and July 1980.

The EMD SD40-2 uses a 16-cylinder 645E3 (645 series) engine from EMD which is turbocharged. It has the fuel capacity of either 3,200 or 4,000 US gallons, has a width of 10 ft 3 1 ⁄ 8 in (3.127 m), has a height of 15 ft 7 1 ⁄ 8 in (4.753 m) over the rails, and weighs 368,000 lb (170 tons) to 409,000 lb (204.5 tons) depending on the model.

Nov 14, 2019 · The SD40-2 used the 16-645E3 engine delivering 3,000 HP. Now paired with the Dash 2 electronics, the SD40-2 was more reliable than ever, immediately becoming the industry standard locomotive for the next 30+ years, and in many ways still is to this day.

Mar 17, 2025 · The SD38-2, SD40-2 and SD45-2 were introduced in 1972 as replacements for the SD38, SD40 and SD45 respectively. They retained the same respective horsepower ratings but received a host of mechanical and electrical upgrades, with the most visible difference being the longer frame with HT-C trucks.

The EMD (Electro Motive Division) SD40-2 (pronounced SD40 " Dash 2 ") is a type of six-axle, 16-cylinder 3,000hp (though, in some cases 3,200hp and/or 3,300hp) diesel locomotive built from 1972 to 1986.

Jan 17, 2024 · At its core, the SD40-2 shares its frame with related siblings in the SD38-2 and SD45-2 types. The same 16-645E3 engine unit powers the SD38-2. Three radiator fans along the roof line can be used to differentiate the SD40-2 from the …