| Modèle | Vitesse maximale de déplacement |
|---|---|
| 9NX-2 | 3.5 km/h - 2.2 mile / h |
| 35NXE-2 | 4.8 km/h - 3 mile / h |
| 35NX-2 | 4.8 km/h - 3 mile / h |
| 35N-2 | 4.8 km/h - 3 mile / h |
| 30NX-2 | 5 km/h - 3.1 mile / h |
| 28N-2 | 4.5 km/h - 2.8 mile / h |
| 25NX-2 | 4.5 km/h - 2.8 mile / h |
| 15NX-2 | 4 km/h - 2.5 mile / h |