172:1 Metal Gearmotor 25Dx68L mm LP 6V with 48 CPR Encoder (No End Cap)
Clearance: This is being replaced by a functionally identical version that has a removable protective end cap over the encoder.
This gearmotor consists of a low-power, 6 V brushed DC motor combined with a 171.79:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 8245.92 counts per revolution of the gearbox’s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 6 V | 34 RPM, 250 mA | 14.5 kg⋅cm (200 oz⋅in), 2.4 A |
You can use the following selection boxes to choose from all of our 25D metal gearmotor versions:
Alternatives available with variations in these parameter(s): gear ratio motor type encoders? Select variant…
| Description | Specs (11) | Pictures (14) | Resources (4) | FAQs (2) | On the blog (0) |
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25D mm metal gearmotor. |
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25D mm metal gearmotor with 48 CPR encoder. |
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25D mm metal gearmotor with 48 CPR encoder. |
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25D mm metal gearmotor with 48 CPR encoder: close-up view of encoder. |
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The 25D and 37D mm metal gearmotors with encoders have cables that are terminated with a 6-pin, 0.1″-pitch female connector. |
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Pololu 25D mm gearmotor with bracket. |
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Pololu 60×8mm wheel on a Pololu 25D mm metal gearmotor. |
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12mm Hex Wheel Adapter for 4mm Shaft on a 20D mm Metal Gearmotor. |
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Dagu Wild Thumper wheel 120×60mm (chrome) with Pololu 25D mm metal gearmotor. |
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Partially disassembled Dagu Wild Thumper 6WD chassis with one of the gearmotors visible. |
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Dimensions of the Pololu 25D mm metal gearmotors. Units are mm over [inches]. |
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Encoder A and B outputs for 25D mm HP 6V metal gearmotor with 48 CPR encoder (motor running at 6 V). |
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Encoder A and B outputs for 25D mm LP 6V metal gearmotor with 48 CPR encoder (motor running at 6 V). |
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An assortment of Pololu metal gearmotors. |
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