| Model | Horsepower | Year(s) |
|---|---|---|
| 15EL77 | 15 | 1977 |
| 15EL78 | 15 | 1978 |
| 15EL79 | 15 | 1979 |
| 15R74 | 15 | 1974 |
| 15R75 | 15 | 1975 |
| 15R76 | 15 | 1976 |
| 15R77 | 15 | 1977 |
| 15R78 | 15 | 1978 |
| 15R79 | 15 | 1979 |
| 15RL74 | 15 | 1974 |
| 15RL75 | 15 | 1975 |
| 15RL76 | 15 | 1976 |
| 15RL77 | 15 | 1977 |
| 15RL78 | 15 | 1978 |
| 15RL79 | 15 | 1979 |
| 175TL77 | 175 | 1977 |
| 175TL78 | 175 | 1978 |
| 175TL79 | 175 | 1979 |
| 175TXL77 | 175 | 1977 |
| 175TXL78 | 175 | 1978 |