| Model | Power (Horsepower) | Speed (Forward-back) | Working width cm | Cutter diameter cm | Tank capacity |
| GMC-1.8 | 1.0 | 1-0 | 23 | 22 | 0.65 |
| GMC-5.0 | 5.0 | 1-0 | 40 | 26 | 1.5 |
| GMC-5.5 | 5.5 | 1-1 | 85 | 30 | 3.6 |
| GMC-7.0 | 7.0 | 2-1 | 92.5 | 32 | 3.6 |
| GMC-7.5 | 7.0 | 2-1 | 95 | 32 | 3.6 |
| GMC-9.0 | 9.0 | 2-1 | 105 | 32 | 3.6 |