| Modèle | Hauteur libre | Vitesse maximale |
|---|---|---|
| SR4084 | 171 mm - 6.7 pouce | 2.4 km/h - 1.5 mile / h |
| SR3370 | 300 mm - 11.8 pouce | |
| SR3284 | 171 mm - 6.7 pouce | |
| SR3084SL | 200 mm - 7.9 pouce | 5 km/h - 3.1 mile / h |
| SR2684SL | 200 mm - 7.9 pouce | 5 km/h - 3.1 mile / h |
| SR2584 | 171 mm - 6.7 pouce | 3.9 km/h - 2.4 mile / h |
| S3246 | 101 mm - 4 pouce | 3.2 km/h - 2 mile / h |
| S2646 | 101 mm - 4 pouce | 3.2 km/h - 2 mile / h |
| S2633 | 89 mm - 3.5 pouce | |
| S2033 | 83 mm - 3.3 pouce | 3.2 km/h - 2 mile / h |
| S1930 | 70 mm - 2.8 pouce | 3.2 km/h - 2 mile / h |