| Model Num | Machine S/N Base | Machine S/N First | Machine S/N Last |
|---|---|---|---|
| D50 (SERIES 15) | D50P-15 | 50002 | 64999 |
| Misc: | |||
| D83 | D83E-1 | 1001 | UP |
| Misc: MAP Tilt Dozer | |||
| D83 | D83P-1 | 1001 | UP |
| Misc: MAP Tilt Dozer | |||
| D53 (SERIES 15) | D53A-15 | 60001 | 65000 |
| Misc: | |||
| D53 (SERIES 15) | D53S-15 | 60001 | 65000 |
| Misc: | |||
| D50 (SERIES 15) | D50A-15 | 50002 | 64999 |
| Misc: | |||