EMD GP40-2


The EMD GP40-2 is a 4-axle diesel road switcher locomotive built by General Motors Electro-Motive Division as part of its Dash 2 line between April 1972 and December 1986. The locomotive's power is provided by an EMD 645E3 16-cylinder engine which generates.

Production

Standard GP40-2 production totalled 861 units, with 817 built for U.S. railroads, and 44 for Mexican railroads. In addition, three GP40P-2s, passenger versions of the GP40-2, were built in 1974 and 279 were built by General Motors Diesel between 1974 and 1976. Total production of the GP40-2 and its variations totalled 1,143 units.

Performance

With the 62:15 gearing EMD rated the GP40-2 at 55,400 lb continuous tractive effort. Some had PF21 module that reduced the output below 23 mph, lowering continuous speed down to 11 mph.

Original buyers

OwnerQuantityNumbersNotes
Atlanta and West Point Rail Road1733to Seaboard System Railroad to CSX
Alaska Railroad103000, 3007–30153000 renumbered to 3006
Baltimore and Ohio Railroad2184100–4162, 1977, GM50, 4185–4256, 4287–4311, 4322–4351, 4422–4447Chessie System paint to CSX
Boston and Maine Railroad18300–317
Chesapeake and Ohio Railway954165–4184, 4267–4281, 4372–4421Chessie System paint to CSX
Ferrocarril Chihuahua al Pacífico291008–1036
Conrail1293275–3403To CSX and Norfolk Southern Railway, #3275-3279 ex-Reading Company
Denver and Rio Grande Western Railroad373094–3130All to Union Pacific Railroad.
U.S. Department of Transportation1003
Detroit, Toledo and Ironton Railroad20406–425to Grand Trunk Western Railroad 6406–6425.
Florida East Coast Railway24411–434433–434 were last built
Georgia Railroad2755–756to Seaboard System Railroad to CSX
Kansas City Southern Railway4796–799
Louisville and Nashville Railroad176600–6616Family Lines Paint, to Seaboard System Railroad to CSX
Reading Company53671–3675
Richmond, Fredericksburg and Potomac Railroad7141–147to CSX
St. Louis – San Francisco Railway 25750–774to Burlington Northern 3040–3064
St. Louis Southwestern Railway 567248–7273, 7628–7657
Seaboard Coast Line Railroad251636–1656. 6617–66216617–6621 Family Lines paint; all to Seaboard System Railroad now CSX
Ferrocarril Sonora-Baja California152104–2112, 2309–23142104-2112 have High short hoods w/steam generator for passenger service only GP40-2 built with high short hoods
Southern Pacific Transportation Company687240–7247, 7608–7627, 7658–7677, 7940–7959
Texas, Oklahoma and Eastern Railroad3D15–D16, D20
Western Maryland Railway354257–4261,4312–4321, 4352–4371Chessie System paint to CSX
Western Pacific Railroad153545–3559
Western Railway of Alabama1708to Seaboard System Railroad to CSX
Total861

;Units built by General Motors Diesel, Canada
RailroadQuantityRoad numbersNotes
Canadian National Railway268CN 9400–9667, 9668–9677CN 9400–9632 are GP40-2L, 9633–9677 are GP40-2W.
CN 9668–9677 are former GO Transit units purchased in 1991.
GO Transit11GO 700–710Ten to CN 9668–9677 in 1991. One to Miami Tri-Rail, later sold to Aberdeen, Carolina & Western #703.
Total279

;GP40P-2
RailroadQuantityRoad numbersNotes
Southern Pacific Transportation Company33197-3199
renumbered to 7600,7601 & 7602. 7601 and 7602 went to UP as 1373 & 1375. 7600 went to IHB as 4010
Total3