The EMD GP39X is a 2,600 horsepower (2.0 MW) diesel locomotive built by the General Motors Electro-Motive Division. All six units built were constructed for the Southern Railway

Southern Railway (US)

The Southern Railway is a former United States railroad. It was the product of nearly 150 predecessor lines that were combined, reorganized and recombined beginning in the 1830s, formally becoming the Southern Railway in 1894...

 with Southern's characteristic high short hood

Short hood

The short hood of a hood unit-style diesel locomotive is, as the name implies, the shorter of the two hoods on a locomotive...

. They were updated by EMD at Norfolk Southern's

Norfolk Southern Railway

The Norfolk Southern Railway is a Class I railroad in the United States, owned by the Norfolk Southern Corporation. With headquarters in Norfolk, Virginia, the company operates 21,500 route miles in 22 eastern states, the District of Columbia and the province of Ontario, Canada...

 (Southern's successor) request to EMD GP49

EMD GP49

An EMD GP49 is a 4-axle diesel locomotive built by General Motors Electro-Motive Division. Power was provided by an EMD 645F3B 12-cylinder engine which generated 2800 horsepower . The GP49 was marketed as one of four models in the 50 series introduced in 1979. The 50 series includes GP/SD49 and...

 standards in 1982. Norfolk Southern retired them in 2001, and they now are owned by Tri-Rail

Tri-Rail

Tri-Rail is a commuter rail line linking Miami, Fort Lauderdale, and West Palm Beach, Florida, United States. It is run by the South Florida Regional Transportation Authority. The system has 18 stations along the South Florida coast...

, after being upgraded with head end power

Head end power

Head end power or electric train supply is a rail transport term for the electrical power distribution system on a passenger train. The power source, usually a locomotive at the front or “head” of a train or a generator car, generates all the electricity used for lighting, electrical and other...

 and a lowered short hood

Short hood

The short hood of a hood unit-style diesel locomotive is, as the name implies, the shorter of the two hoods on a locomotive...

.

External links

• Sarberenyi, Robert. EMD GP39X, GP49, and GP50 Original Owners