Tamiya 72001 Planetary Gearbox Kit and 19:1 Metal Gearmotor 37Dx52L mm 12V (Helical Pinion) are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Tamiya 72001 Planetary Gearbox Kit is €15.45 cheaper ($21.12).
| Criterion | Tamiya 72001 Planetary Gearbox Kit | 19:1 Metal Gearmotor 37Dx52L mm 12V (Helical Pinion) |
|---|---|---|
| Price | $21.12cheapest | $38.95 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Current max. | — | 0.76 A |
| Voltage | 4.5 V | 12 V |
| Torque max. | — | 1 kg·cm |
| Weight | 167.3 g | 185 g |
| Encoders | — | No |
| Gear ratio | — | 18.75:1 |
| Gear ratio options | 4, 5, 16, 20, <br/>25, 80, 100, 400 :1 | — |
| Max efficiency 12v | — | 55 % |
| Max output power 12v | — | 12 W |
| Motor shaft stall torque 3v | 1.2 oz·in | — |
| Motor type | — | 12 V |
| No load current 12v | — | 0.2 A |
| No load current 3v | 130 mA | — |
| No load current 6v | — | 0.15 A |
| No load motor shaft speed 3v | 6 800 rpm | — |
| No load speed 12v | — | 530 rpm |
| No load speed 6v | — | 270 rpm |
| Output power at max efficiency | — | 5 W |
| Shaft diameter | — | 6 mm |
| Size | — | 37D × 52L mm |
| Speed at max efficiency | — | 470 rpm |
| Stall current 12v | — | 5.5 A |
| Stall current 3v | 2.5 A | — |
| Stall current 6v | — | 3 A |
| Stall torque 12v | — | 8.5 kg·cm |
| Stall torque 6v | — | 5 kg·cm |
| View at seller ↗ | View at seller ↗ |
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