PGS71 20:1
| Gearbox Orientation | Inline |
| Gearbox Type | Planetary |
| Gearbox Ratio | 20:1 |
| Gear Material | Composite/steel |
| Gearbox Stages | 2 |
| Gearbox Efficiency | 81% |
| Gearbox Axial Load | 100 N |
| Gearbox Radial Load | 480 N |
| Gearbox Continuous Torque | 37.8 Nm |
| Gearbox Intermittent Torque | 56.7 Nm |
| Backlash | 39 arc.min |
| Weight (kg) | 1.2 |