GE U36C
The GE U36C was a 3600 hp road switcher diesel-electric locomotive model built by GE Transportation Systems.
The length of the locomotive was, standard for U30C, U33C, U34CH, U36C, U36CG, C30-7 and C36-7. The U36C also had steel capped pistons.
218 units were produced between October 1971 and February 1975 for railroads in the United States and Mexico. A further 20 units of model U36CG were built for use in Mexico.
Rebuilds
Between 1985-1987 Santa Fe's Cleburne shops rebuilt 70 U36Cs into C30-7 standards and were reclassified as SF30Cs.Original Owners
| Railroad | Quantity | Numbers | Notes |
| Atchison, Topeka and Santa Fe Railway | 100 | 8700-8799 | 70 units rebuilt to SF30C's |
| Chicago, Milwaukee, St. Paul and Pacific Railroad | 4 | 5800-5803 | |
| Clinchfield Railroad | 7 | 3600-3606 | |
| Erie Lackawanna Railway | 13 | 3316-3328 | |
| Ferrocarril del Pacífico | 10 | 409-418 | |
| Ferrocarriles Nacionales de México | 104 | 8900-8986, 9300-9316 | 8938-8957 were model U36CG |