73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) vs 19:1 Metal Gearmotor 37Dx68L mm 24V with 64 CPR Encoder (Helical Pinion)
73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) and 19:1 Metal Gearmotor 37Dx68L mm 24V with 64 CPR Encoder (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, 73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) is €25.14 cheaper ($31.95).
| Criterion |  73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) |  19:1 Metal Gearmotor 37Dx68L mm 24V with 64 CPR Encoder (Helical Pinion) |
|---|---|---|
| Price | $31.95cheapest | $60.95 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Current max. | — | 0.49 A |
| Voltage | — | 24 V |
| Torque max. | — | 1.3 kg·cm |
| Weight | 43 g | 200 g |
| Encoder resolution | — | 64 CPR |
| Encoders | — | Yes |
| Gear ratio | 73:1 | 18.75:1 |
| Lead length | — | 20 cm |
| Max efficiency 24v | — | 52 % |
| Max output power 24v | — | 13 W |
| Motor type | — | 24 V |
| No load current 12v | — | 0.08 A |
| No load current 24v | — | 0.1 A |
| No load current 6v | 250 mA | — |
| No load speed 12v | — | 270 rpm |
| No load speed 24v | — | 530 rpm |
| No load speed 6v | 180 rpm | — |
| Output power at max efficiency | — | 6.1 W |
| Shaft diameter | 4 mm | 6 mm |
| Size | 20D x 44L mm | 37D × 68L mm |
| Speed at max efficiency | — | 450 rpm |
| Stall current 12v | — | 1.7 A |
| Stall current 24v | — | 3 A |
| Stall current 6v | 3 200 mA | — |
| Stall torque 12v | — | 5.2 kg·cm |
| Stall torque 24v | — | 9.5 kg·cm |
| Stall torque 6v | 60 oz·in | — |
| 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.
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