| Modell | Max. Geschwindigkeit |
|---|---|
| WF600T-1 | 29 km/h - 18 mph |
| WF550T-3 | 20 km/h - 12.4 mph |
| WF550-3 | 20 km/h - 12.4 mph |
| WF450T-3 | 27.1 km/h - 16.8 mph |
| WF450T-1 | 26.3 km/h - 16.3 mph |
| WF450-3 | 27.1 km/h - 16.8 mph |
| WF22T-2 | 19.3 km/h - 12 mph |
| WF22A-2 | 19.5 km/h - 12.1 mph |