EMC EA/EB

Specifications
Specifications
Configuration:;
• AAR	A1A-A1A
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Prime mover	Winton 201-A, twinned
Engine type	60 degree V
Cylinders	12 x 2

Type and origin
Type and origin
Power type	Diesel-electric
Builder	Electro-Motive Corporation (EMC)
Build date	May 16th, 1937–1938
Total produced	6 A units, 6 B units

EMC EA/EB
EMC EA/EB
	B&O EA 51 on the Capitol Limited sitting next to the Tom Thumb locomotive replica, in 1937.
Power type
Type and origin
Power type	Diesel-electric
Builder	Electro-Motive Corporation (EMC)
Build date	May 16th, 1937–1938
Total produced	6 A units, 6 B units
Configuration:;
Specifications
Configuration:;
• AAR	A1A-A1A
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Prime mover	Winton 201-A, twinned
Engine type	60 degree V
Cylinders	12 x 2
Maximum speed
Performance figures
Maximum speed	~68-99.4 mph
Power output	1,800 hp (1,300 kW)
Operators
Career
Operators	Baltimore and Ohio Railroad, Alton Railroad, Gulf, Mobile and Ohio
Numbers	51–56 (A units), 51X–56X (B units)
Disposition	number 51 on static display at the Baltimore and Ohio Railroad Museum

The EMC EA/EB is an early passenger train-hauling diesel locomotive built from May 16, 1937, to 1938 by Electro-Motive Corporation of La Grange, Illinois for the Baltimore and Ohio Railroad. They were the first model in a long line of passenger diesels of similar design known as EMD E-units. Each locomotive unit developed 1,800 horsepower (1,300 kW) from two 900 hp (670 kW) Winton 201-A diesel engines, driving the wheels through an electric transmission—the generator driven by each engine provided current for traction motors. The locomotives were of A1A-A1A wheel arrangement—two three-axle trucks of which only the outer two axles were powered. Six two-unit 3,600 hp (2,700 kW) locomotives were produced, each consisting of a lead cab-equipped EA A unit and a cabless booster EB B unit. They were numbered 51 through 56; the A units bore the bare number and the B units the number followed by 'X'.

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