|























| |

SD45
| Production Dates |
December 1965 to December 1971 |
| Total Built |
1,260 |
| Engine |
20-645E3 |
| Horsepower |
3,600 |
SD45-2

| Production Dates |
May 1972 to September 1974 |
| Total Built |
136 |
| Length |
70 feet 8 inches |
| Engine |
20-645E3 |
| Horsepower |
3,600 |
| Alternator |
AR10 |
| Traction Motors |
D77B |
| Weight |
386,000-391,000 |
The radiator section is significantly longer than the SD40-2s. ATSF converted
several to cabless boosters named SD45B-2s (pictured below).


SD45T-2

| Production Dates |
Feburary 1972 to June 1975 |
| Total Built |
249 |
| Length |
70 feet 8 inches |
| Engine |
20-645E3 |
| Horsepower |
3,600 |
| Alternator |
AR10 |
| Traction Motors |
D77B |
| Weight |
410,000 |
The Tunnel Motor radiator section is one feature unique to the SD45T-2.
|