| Model | Date of manufacture | Power, kWt | Power HP | Volume cc | Type of construction |
|---|---|---|---|---|---|
| CARBO FX4 2.2 D | 01.1959 - 08.1972 | 40 | 55 | 2178 | Special Design |
| CARBO FX4 2.2 D | 01.1959 - 08.1972 | 50 | 68 | 2199 | Special Design |
| CARBO FX4 2.3 D | 09.1972 - 08.1985 | 44 | 60 | 2286 | Special Design |
| CARBO FX4 2.5 D | 09.1985 - 12.1989 | 50 | 68 | 2494 | Special Design |