Tamiya 72004 Worm Gearbox Kit vs 78:1 Metal Gearmotor 20Dx43L mm 12V CB with Extended Motor Shaft
Tamiya 72004 Worm Gearbox Kit and 78:1 Metal Gearmotor 20Dx43L mm 12V CB with Extended Motor Shaft are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Tamiya 72004 Worm Gearbox Kit is €12.82 cheaper ($18.15).
| Criterion |  Tamiya 72004 Worm Gearbox Kit |  78:1 Metal Gearmotor 20Dx43L mm 12V CB with Extended Motor Shaft |
|---|---|---|
| Price | $18.15cheapest | $32.95 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Current max. | — | 0.33 A |
| Voltage | 3 V | 12 V |
| Torque max. | — | 0.93 kg·cm |
| Weight | 197 g | 45 g |
| Extended motor shaft | — | Yes |
| Gear ratio | — | 78.125:1 |
| Gear ratio options | 216, 336 :1 | — |
| Long life carbon brushes | — | Yes |
| Max efficiency 12v | — | 36 % |
| Max output power 12v | — | 2.5 W |
| Motor shaft stall torque 3v | 0.97 oz·in | — |
| Motor type | — | 1.6A stall @ 12V CB (carbon brush) |
| No load current 12v | — | 0.08 A |
| No load current 3v | 150 mA | — |
| No load motor shaft speed 3v | 9 400 rpm | — |
| No load speed 12v | — | 180 rpm |
| No load speed 6v | — | 90 rpm |
| Output power at max efficiency | — | 1.4 W |
| Shaft diameter | — | 4 mm |
| Size | — | 20D × 44.7L mm |
| Speed at max efficiency | — | 150 rpm |
| Stall current 12v | — | 1.6 A |
| Stall current 3v | 2 700 mA | — |
| Stall current 6v | — | 0.8 A |
| Stall torque 12v | — | 5.4 kg·cm |
| Stall torque 6v | — | 2.7 kg·cm |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
Robotitem does not test products. This comparison reports seller-published data only, and ranking never takes affiliate commission into account.