| Modèle | Vitesse maximale | Vitesse de travail |
|---|---|---|
| 2109 | 12 km/h - 7.5 mile / h | 20 km/h - 12.5 mile / h |
| 2099 | 10.4 km/h - 6.5 mile / h | |
| 2086 | 18.3 km/h - 11.4 mile / h | |
| 2076 | 18.3 km/h - 11.4 mile / h | |
| 2066 | 18.3 km/h - 11.4 mile / h | |
| 2054 | 11.5 km/h - 7.2 mile / h | |
| 2044 | 11.3 km/h - 7 mile / h | |
| 2041 | 10.3 km/h - 6.4 mile / h | |
| 2026 | 10.9 km/h - 6.8 mile / h |