# Pololu 20.4:1 25D LP 12V Gearmotor

> A 12 V, 20.4:1 brushed DC gearmotor with 280 RPM no-load speed.

- Manufacturer: Pololu
- Part number: 3251
- Category: Motors
- Canonical page: https://www.xirkit.io/products/pololu-20-4-1-25d-lp-12v-gearmotor-ccf2
- Pinout: https://www.xirkit.io/products/pololu-20-4-1-25d-lp-12v-gearmotor-ccf2/pinout
- Structured JSON: https://www.xirkit.io/products/pololu-20-4-1-25d-lp-12v-gearmotor-ccf2/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Motor type | brushed_dc_gearmotor |
| Rated voltage | 12 V |
| Stall torque | 0.235 N·m |
| No-load speed | 280 rpm |
| Gear ratio | 20.4:1 |
| Shaft diameter | 4 mm |
| Encoder | none |
| Dimensions | 50 × 25 × 25 mm |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| Pololu | 29.95 USD | unknown | 2026-09-15 | https://www.pololu.com/product/3251 |

## FAQ

**How much does the Pololu 20.4:1 25D LP 12V Gearmotor cost?**

From $29.95 at Pololu. Prices are observed unit prices before tax and shipping.

**What are the Pololu 20.4:1 25D LP 12V Gearmotor dimensions?**

50 × 25 × 25 mm. A STEP model is available for enclosure fit checks.

**Where does this Pololu 20.4:1 25D LP 12V Gearmotor data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [Pololu 3251 product specifications](https://www.pololu.com/product/3251)
- [Pololu 3251 dimensions and performance](https://www.pololu.com/product/3251/specs)