What Does EMD SD Stand For?
The EMD (Electro Motive Division) SD70ACe (often nicknamed "Ace" or "The Ace" by most railfans, builders, and employees) is a type of six-axle, 16-cylinder, 4,300hp AC-traction diesel-electric locomotive which was first introduced in 2004 (the prototypes built the previous year), and has been in production since 2005 ...
How can you tell if a locomotive is EMD?
The EMD units have smoothly rounded fuel tanks and many have air reservoirs tucked in along the tank top just below the running boards. Most of the GE fuel tanks have a boxy shape with straight upper sides and the lower third angled in toward the flat bottom.
Tips for identifying modern diesel locomotives - Trains
How can you tell the difference between an EMD and a GE locomotive?
Trucks differantiate a loco from another maker as well. EMD trucks are distinctly different from GE trucks. GE trucks on late model units use a large cast frame, with twin springs for each axle. EMD trucks do not sport the springs as visibly as the GE units' do.
Identifying a diesel Locomotive | TrainBoard.com
What does EMD locomotive stand for?
Progress Rail Locomotives, doing business as Electro-Motive Diesel (EMD) is an American manufacturer of diesel-electric locomotives, locomotive products and diesel engines for the rail industry.
Electro-Motive Diesel - Wikipedia
What is a SD locomotive?
SD = Special Duty. When EMD introduced the "60"-series locomotives, it stopped referring to GP's as "general purpose" locomotives and began including them, along with the SDs, in the "mainline" locomotive category. Reply.
SD Mean - Trains Magazine