| No | Motor Type | RPM | Nominal Voltage | Stall Current | Stall Torque | Gear Ratio |
|---|---|---|---|---|---|---|
| 1 | JGA20-130 | 288 | 6 V | 930 A | 1.25 kg·cm | 1:25 Gearmotor |
| 2 | JGA20-130 | 144 | 6 V | 930 A | 2.5 kg·cm | 1:50 Gearmotor |
| 3 | JGA20-130 | 72 | 6 V | 930 A | 5 kg·cm | 1:100 Gearmotor |
| 4 | JGA20-130 | 36 | 6 V | 930 A | 9.7 kg·cm | 1:195 Gearmotor |
| 5 | JGA20-130 | 28 | 6 V | 930 A | >9.7 kg·cm | 1:250 Gearmotor |
| 6 | JGA20-130 | 15 | 6 V | 930 A | >9.7 kg·cm | 1:488 Gearmotor |
| 7 | JGA20-130 | 240 | 12 V | 400 A | 1 kg·cm | 1:25 Gearmotor |
| 8 | JGA20-130 | 120 | 12 V | 400 A | 2 kg·cm | 1:50 Gearmotor |
| 9 | JGA20-130 | 60 | 12 V | 400 A | 4 kg·cm | 1:100 Gearmotor |
| 10 | JGA20-130 | 30 | 12 V | 400 A | 7.8 kg·cm | 1:195 Gearmotor |
| 11 | JGA20-130 | 24 | 12 V | 400 A | 10 kg·cm | 1:250 Gearmotor |
| 12 | JGA20-130 | 12 | 12 V | 400 A | >10 kg·cm | 1:488 Gearmotor |