| Description | HT4 | 3RR40 | 4RR40 |
|---|---|---|---|
| Number of Rolling Rings | 3 | 3 | 4 |
| Max Side Thrust | 38 Kg | 38 Kg | 76 Kg |
| Max Pitch | 29 mm | 29 mm | 29 mm |
| Max Shaft Speed | 750 RPM | 750 RPM | 750 RPM |
| Max Linear Speed | 22.5 m/min | 22.5 m/min | 22.5 m/min |
| Weight | 6.6 Kg | 5.6 Kg | 7.5 Kg |
| Drive Torque | 3.5 Kg Cm | 3.5 Kg Cm | 4.5 Kg Cm |
| Free Movementlever( FM) | FM1 & FM2 | FM1 & FM2 | FM2 |
