| Modell | Max. Vorwärtsgeschwindigkeit | Max. Geschwindigkeit beim Rückwärtsgang |
|---|---|---|
| WD900-3 | 28 km/h - 17.4 mph | 28.3 km/h - 17.6 mph |
| WD600-3 | 36.2 km/h - 22.5 mph | 40 km/h - 24.9 mph |
| WD600-1 | 35 km/h - 21.7 mph | 37.9 km/h - 23.6 mph |
| WD420-3 | 32.8 km/h - 20.4 mph | 33.9 km/h - 21.1 mph |
| D61PX-15 | 9.4 km/h - 3.3 mph | 11.2 km/h - 4.3 mph |