| Modèle | Vitesse maximale |
|---|---|
| C855D | 12 km/h - 7.5 mile / h |
| C850D | 10 km/h - 6.2 mile / h |
| C840D | 13.5 km/h - 8.4 mile / h |
| C835D | 13 km/h - 8.1 mile / h |
| C830D | 11 km/h - 6.8 mile / h |
| C825C | 10 km/h - 6.2 mile / h |
| C820C | 10 km/h - 6.2 mile / h |
| C815D | 9 km/h - 5.6 mile / h |
| C784 | 16.1 km/h - 10 mile / h |
| C778D | 16.1 km/h - 10 mile / h |
| C766D | 16.1 km/h - 10 mile / h |
| C754B | 10 km/h - 6.2 mile / h |
| C747C | 12 km/h - 7.5 mile / h |