| Modelo | Capacidad de carga |
|---|---|
| RSC8EX | 3628.7 kg - 8000 libra. |
| RSC6EX | 2721.6 kg - 6000 libra. |
| RR4EX | 1814.4 kg - 4000 libra. |
| Gregory RSC7EX | 3175.1 kg - 7000 libra. |
| Gregory RSC5EX | 2268 kg - 5000 libra. |
| Gregory RSC4EX | 1814.4 kg - 4000 libra. |
| Gregory RSC3EX | 1360.8 kg - 3000 libra. |
| Gregory RS6EX | 2721.6 kg - 6000 libra. |
| Gregory RS5EX | 2268 kg - 5000 libra. |
| Gregory RS4EX | 1814.4 kg - 4000 libra. |
| Gregory RS3EX | 1360.8 kg - 3000 libra. |
| Gregory RR6EX | 2721.6 kg - 6000 libra. |
| Gregory RR5EX | 2268 kg - 5000 libra. |
| Gregory RR3EX | 1360.8 kg - 3000 libra. |
| Gregory RC4EX | 1814.4 kg - 4000 libra. |
| Gregory RC3EX | 1360.8 kg - 3000 libra. |