| Model | 3S - YT621 | 3S - YT732 |
| Max. travel speed (km / h) | 85 | 85 |
| Rated load (kg) | 230 | 400 |
| Max. rail length (m) | 21 | 32 |
| Max. operating speed (up/down) | 24 / 24 | 48 / 48 |
| Dead weight (t) | 0.75 | 2.8 |
| Power supply (electric model) | Electric motor | Petrol engine |
| Engine (motor) power (kW) | 230V, 1.5kW | 13kW |
| Chassis dimensions (L, W) (mm) | 5300 x1400 | 6540 x 1780 |