| Model | Date of manufacture | Power, kWt | Power HP | Volume cc | Type of construction |
|---|
| CHEVR R20 Cab & Chassis (US) 4.8 | 09.1986 - 12.1987 | 86 | 117 | 4785 | Platform/Chassis |
| CHEVR R20 Cab & Chassis (US) 4.3 | 09.1986 - 12.1987 | 119 | 162 | 4300 | Platform/Chassis |
| CHEVR R20 Cab & Chassis (US) 5.0 | 09.1986 - 12.1987 | 127 | 173 | 5001 | Platform/Chassis |
| CHEVR R20 Cab & Chassis (US) 5.7 | 09.1986 - 12.1987 | 157 | 214 | 5735 | Platform/Chassis |
| CHEVR R20 Cab & Chassis (US) 7.4 | 09.1986 - 12.1987 | 172 | 234 | 7440 | Platform/Chassis |
| CHEVR R20 Cab & Chassis (US) 6.2 D | 09.1986 - 12.1987 | 97 | 132 | 6217 | Platform/Chassis |
