| Modèle | Vitesse maximale |
|---|---|
| WF600T-1 | 29 km/h - 18 mile / h |
| WF550T-3 | 20 km/h - 12.4 mile / h |
| WF550-3 | 20 km/h - 12.4 mile / h |
| WF450T-3 | 27.1 km/h - 16.8 mile / h |
| WF450T-1 | 26.3 km/h - 16.3 mile / h |
| WF450-3 | 27.1 km/h - 16.8 mile / h |
| WF22T-2 | 19.3 km/h - 12 mile / h |
| WF22A-2 | 19.5 km/h - 12.1 mile / h |