| Model | Date of manufacture | Power, kWt | Power HP | Volume cc | Type of construction |
|---|---|---|---|---|---|
| TRIUM TR 6 2.5 | 01.1972 - 12.1976 | 90 | 122 | 2498 | Convertible |
| TRIUM TR 6 2.5 PI | 01.1969 - 12.1976 | 105 | 143 | 2498 | Convertible |
| TRIUM TR 6 2.5 | 03.1969 - 01.1974 | 121 | 165 | 2498 | Convertible |
| TRIUM TR 6 2.5 | 09.1974 - 12.1976 | 77 | 105 | 2498 | Convertible |