The EMD SD50 is a 3,500- horsepower (2,610 kW) diesel-electric locomotive built by General Motors Electro-Motive Division. It was introduced in May 1981 as part of EMD's "50 Series"; production ceased in January 1986.

2024年12月16日 · In 1984, EMD increased the SD50's output from 3,500 to 3,600 horsepower via the final 645 variant, the 645F3C. Models produced after this time also featured an updated AR11 alternator (in place of the AR16) and D87A traction motors, which replaced the previous D87Y.

SD50型柴油机车 是 美国 通用汽车 易安迪公司 （GM-EMD）在1980年推出的一款电力传动 柴油机车，也是美国第一代采用微机控制的柴油机车车型之一，主要竞争对象是 通用电气公司 的 C36-7型柴油机车。 1970年代中期， 易安迪Dash 2系列 柴油机车在激烈的美国市场取得成功之后，易安迪公司随即着手研制下一代柴油机车产品 [1]。 1977年，易安迪公司推出作出技术验证平台的 GP40X型柴油机车，并交付 圣塔菲铁路 、 南太平洋铁路 、 联合太平洋铁路 、 南方铁路 这 …

Quantity Built: 421 (includes 60 CN SD50F) Dates: 5/1981 to 5/1985-Exterior Dimensions; SD50 Total Length: 71'-02" Wheel Diameter: 40" Truck Wheel Base: 13'-07" Height to Top Engine Hood: 14'-07.5" Height to Top Cab : 15'-07.5" Cab Width: 10'-03" Top of Walkway: 9'-04.5" Walkway Width: 3'-08.5" Engine Hood Width: 10'-00" Center Bolster: 45'-10 ...

2011年2月16日 · The Electromotive Division SD50 is a 6 axle, 3,500 HP diesel-electric locomotive built by EMD from 1981 to 1986. It's 16 cylinder 645F3B engine could be rated between 3,300 HP and 3,500 HP. It was the last engine to use the 645 engine, the 710 being introduced on the subsequent SD60.

The SD50F was a Canadian cowl unit version equipped with a "Draper taper" (inset section aft of cab for limited rear visibility). 60 were built for the Canadian National Railway as road numbers 5400-5459. Early engine problems resulted in a temporary down-rating to …

The EMD SD50 is a 3,500-horsepower (2,610 kW) diesel-electric locomotive built by General Motors Electro-Motive Division. It was introduced in May 1981 as part of EMD's "50 Series"; production ceased in January 1986.

2024年1月17日 · Some ten total operators utilized the original SD50s with Conrail being the largest at 135 total units in the fleet. The SD50S short-framed models were purchased only by Norfolk & Western Railway across six units while the SD50F (cowl units) were taken on by CN across an impressive sixty examples.

The EMD (Electro Motive Division) SD50 is a type of 3,500hp (or 3,600hp in some cases) six-axle diesel locomotive built from 1980 to 1986, but didn't officially begin production until 1984 after receiving full order placements in 1983. 487 were built for a handful of Class 1 railroads, most...

The EMD, Electro Motive Division, SD50 is a 3,500/3,600 hp, six-axle, diesel locomotive built between 1980–1987. There were 427 units built. Many are still in service, albeit rebuilt or downgraded. The EMD SD50 was originally designed to be a successor to the EMD SD40 line, but it actually had more problems than it solved.