Specifications [ EMD SD50 ]
GM Electro-Motive Diesel (EMD) / General Motors Diesel (GMD) - United States; Clyde Engineering - Australia
1980 - 1987
21.7m | 71.2 ft
NOTE: May include length of entire train set
1 x EMD 16-645F3B V16 16-cylinder diesel engine with AR11 alternator.
Engine / Drive Source
Rated Output Power
(Loco Facing Left)
SD50 - Base Series Designation.
SD50S - Shortened-frame prototype forms of late-1980; six examples completed and operated by Norfolk & Western.
SD50S - Five examples by Clyde Engineering of Australia.
SD40E - Rebuilt SD50S prototypes by Juniata Shops (Norfolk Southern).
SD50F - Canadian market form; 3,300hp to 3,500hp output; 60 examples built.