General Motors SWMT
Gear Ratio 62:15
Weight 247,000
Tractive Effort 45,000
Former GP7 / GP9 road units
Powered by mother unit
No fuel tank
No dynamic brake
Cement filled for traction
CSX 1038-1050
Former WM units
Relettered Chessie B&O / C&O
Refered to as "Slugs"
Active
Used in yard and hump service
General Motors SW1500
1500 HP
Gear Ratio 62:15
Weight 253,000
Tractive Effort 42,000
CSX 1100-1129
SBD 5000-5029
Active
In service
General Motors MP15AC
1500 HP
Gear Ratio 62:15
Weight 255,000 - 258,000
Tractive Effort 46,800
AC Powered
CSX 1130-1139, 1150-1194
SBD 4225-4234, 4000-4019, 4200-4224
Active
In service
General Motors MP15
1500 HP
Gear Ratio 62:15
Weight 258,000
Tractive Effort 41,500
CSX 1140-1149
SBD 5030-5039
Active
In service
General Motors MP15T
1500 HP
Gear Ratio 62:15
Weight 253,000
Tractive Effort 46,800
CSX 1200-1241
SBD 1200-1241
Active
In service
General Motors Mother Unit
Provides power to Slug
Can operate independent
GP38 or GP39
B&O / C&O
Active
In service
General Motors SW1200
1200 HP
Gear Ratio ?
Weight ?
Tractive Effort ?
CSX 9615-9621
SBD 9615-9621
Retired
Retired
General Motors SW9
? HP
Gear Ratio ?
Weight ?
Tractive Effort ?
CSX 9637,9638,9639,9646,9647,9664
B&O 5081,5083,5256
C&O 5092,5093,5263
Retired
Retired
General Motors SW7
? HP
Gear Ratio ?
Weight ?
Tractive Effort ?
CSX 9676
C&O 5224
Retired
Retired
Ranges from 1987 to 1993 do not include engines retired, sold, or wrecked.