| Modèle | Vitesse maximale | Vitesse de travail |
|---|---|---|
| SK820-5 | 16 km/h - 9.9 mile / h | 10.5 km/h - 6.5 mile / h |
| SK815-5 | 16 km/h - 9.9 mile / h | 10.5 km/h - 6.5 mile / h |
| SK1026-5 | 16 km/h - 9.9 mile / h | 10 km/h - 6.2 mile / h |
| SK1020-5 | 16 km/h - 9.9 mile / h | 10 km/h - 6.2 mile / h |
| SK09J-2 | 13 km/h - 8.1 mile / h | 8 km/h - 5 mile / h |
| SK05J-2 | 9.2 km/h - 5.7 mile / h | |
| SK04J-2 | 9 km/h - 5.6 mile / h |