| Modèle | Hauteur libre | Vitesse maximale |
|---|---|---|
| GS5390RT | 360 mm - 14.2 pouce | 8 km/h - 5 mile / h |
| GS4390RT | 360 mm - 14.2 pouce | 8 km/h - 5 mile / h |
| GS3390RT | 360 mm - 14.2 pouce | 8 km/h - 5 mile / h |
| GS3384RT | 330 mm - 13 pouce | 6.4 km/h - 4 mile / h |
| GS3268DC | 190 mm - 7.5 pouce | 4.8 km/h - 3 mile / h |
| GS3246 | 100 mm - 3.9 pouce | 3.5 km/h - 2.2 mile / h |
| GS3232 | 90 mm - 3.5 pouce | 3.5 km/h - 2.2 mile / h |
| GS2632 | 90 mm - 3.5 pouce | 3.5 km/h - 2.2 mile / h |
| GS2046 | 100 mm - 3.9 pouce | 3.5 km/h - 2.2 mile / h |
| GS2032 | 90 mm - 3.5 pouce | 3.5 km/h - 2.2 mile / h |
| GS1930 | 60 mm - 2.4 pouce | 4 km/h - 2.5 mile / h |
| GS1530 | 60 mm - 2.4 pouce | 4 km/h - 2.5 mile / h |