| Model | 40S | 60S | 80S | 100S | 120S |
| Wheel Diameter | 39mm | 50mm | 60mm | 72mm | 72mm |
| Wheel Width | 19mm | 26mm | 27mm | 29mm | 29mm |
| Height | 70mm | 82mm | 102mm | 120mm | 120mm |
| Load Capacity (single) | 50kg | 250kg | 500kg | 750kg | 750kg |
| Allowable Load (four) | 100kg | 500kg | 1000kg | 1500kg | 1500kg |
| Lead Screw Dimension | M8*25mm | M12*30 | M12*30 | M16*40 | M16*40 |
