| Model | Horsepower | Year(s) |
|---|---|---|
| 990338S | 454C.I.4V LH | 1979 |
| 990339A | 454C.I.4V RH | 1981,1982 |
| 990339C | 454C.I.4V RH | 1980 |
| 990339D | 454C.I.4V RH | 1978 |
| 990339E | 454C.I.4V RH | 1977 |
| 990339E1 | 454C.I. RH | 1977 |
| 990339E11 | 454C.I. RH | 1977 |
| 990339F | 454C.I.4V RH | 1981,1982 |
| 990339P | 454C.I.4V RH | 1978 |
| 990339R | 454C.I.4V RH | 1981,1982 |
| 990339S | 454C.I.4V RH | 1979 |
| 990342D | 305C.I.2V LH | 1978 |
| 990342E | 305C.I.2V LH | 1977 |
| 990342E1 | 305C.I.2V LH | 1977 |
| 990342E11 | 305C.I.2V LH | 1977 |
| 990342P | 305C.I.2V LH | 1978 |
| 990342S | 305C.I.2V LH | 1979 |
| 990343D | 305C.I.2V RH | 1978 |
| 990343E | 305C.I.2V RH | 1977 |
| 990343E1 | 305C.I.2V RH | 1977 |