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120:1 Mini Plastic Gearmotor HP, Offset 3mm D-Shaft Output, Extended Motor Shaft
This compact, inexpensive plastic gearmotor (high-power brushed DC motor with a 120:1 reduction gearbox) is well suited for use in small robots. While intended for operation at 4.5 V, it should run comfortably in the 3 V to 6 V range. The gearbox has a 9.7mm-long, 3 mm-diameter D-shaped output shaft that is offset from but parallel to the motor shaft, and a built-in safety clutch helps protect the gears from excessive loads. This version also has a 5×1.5 mm extended motor shaft.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 4.5 V | 150 RPM, 130 mA | 1.8 kg⋅cm (25 oz⋅in), 1.25 A |
Alternatives available with variations in these parameter(s): shaft type no-load speed @ 4.5V extended motor shaft? Select variant…
Compare all products in Pololu Plastic Gearmotors or Mini Plastic Gearmotors or Romi Chassis Components.
| Description | Specs (11) | Pictures (13) | Resources (7) | FAQs (1) | On the blog (2) |
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Mini plastic gearmotor offset 3mm D-shaft output with U.S. quarter for size reference. |
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120:1 mini plastic gearmotors with extended motor shafts. |
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Mini Plastic Gearmotor, 90° 3mm D-shaft Output with Pololu Wheel 90×10mm. |
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Mini plastic gearmotor offset 3mm D-shaft output with Pololu wheel. |
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80×10mm Pololu wheel and offset mini plastic gearmotor mounted with a wide mini plastic gearmotor bracket. |
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60×8mm Pololu wheel and 90° mini plastic gearmotor mounted with a wide mini plastic gearmotor bracket (with spacer). |
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60×8mm wheel and offset mini plastic gearmotor mounted with a wide mini plastic gearmotor bracket. |
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60×8mm Pololu wheel and 90° mini plastic gearmotor mounted with tall mini plastic gearmotor bracket (with spacer). |
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60×8mm Pololu wheel and offset mini plastic gearmotor mounted with a tall mini plastic gearmotor bracket (with spacer). |
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Gears inside the mini plastic gearmotor with offset output shaft (2mm spline version). |
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Gears inside the mini plastic gearmotor with 90 degree output (2mm spline version). |
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