| Modello | Peso operativo |
|---|---|
| SK40SR-5 | 4200 kg - 9259.4 libbre |
| SK35SR-5 | 3580 kg - 7892.5 libbre |
| SK30SR-5 | 3000 kg - 6613.9 libbre |
| 35SR-3 | 3801.1 kg - 8380 libbre |
| 35SR ACERA | 3610 kg - 7958.7 libbre |
| 30SR-3 | 3220.5 kg - 7100 libbre |
| 27SR-3 | 2710.7 kg - 5976 libbre |
| 27SR ACERA | 2520 kg - 5555.6 libbre |
| 17SR ACERA | 1650 kg - 3637.6 libbre |
| 13SR | 1469.6 kg - 3240 libbre |