# DJI RoboMaster M3508 P19 Gear Motor

> DJI RoboMaster M3508 P19 is a brushless gear motor with a 3591/187 (≈ 19:1) planetary reducer and built-in position and temperature sensors, made for the C620 sine-drive ESC. At 24 V it gives 3 N·m rated, 4.5 N·m stall, 469 rpm rated and 482 rpm no-load, 0.3 N·m/A, 7 pole pairs, 0–50 °C. It has a Ø42 × 66.7 mm body, Ø10 mm D-shaft, 4 × M4 on Ø35 and weighs 365 g.

- Manufacturer: DJI (RoboMaster)
- Part number: M3508 P19
- Category: Motors
- Canonical page: https://www.xirkit.io/products/dji-robomaster-m3508-p19-gear-motor-4d51
- Pinout: https://www.xirkit.io/products/dji-robomaster-m3508-p19-gear-motor-4d51/pinout
- Structured JSON: https://www.xirkit.io/products/dji-robomaster-m3508-p19-gear-motor-4d51/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Motor type | bldc |
| Rated voltage | 24 V |
| Rated torque | 3 N·m |
| Stall torque | 4.5 N·m |
| Rated speed | 469 rpm |
| No-load speed | 482 rpm |
| Rated current | 10 A |
| Gear ratio | 19.2:1 |
| Shaft diameter | 10 mm |
| Encoder | built-in position sensor + temperature sensor (via C620) |
| Dimensions | 42 × 42 × 94 mm |
| Operating temperature | 0 to 50 °C |

## Pinout (2 pins, 0 with electrical limits)

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 3-phase power lead | 3-phase cable (colour-matched to the C620 ESC) | phase | — | 3-phase power lead | — | — | — | — | — | — | — |
| 7-pin sensor cable | 7-pin port (7-pin cable included) | signal | — | 7-pin sensor cable | — | — | — | — | — | — | — |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| aifitlab.com | 125 USD | preorder | 2026-10-18 | https://aifitlab.com/products/dji-robomaster-m3508-p19-brushless-dc-gear-motor?variant=43857467572360 |

## FAQ

**How much does the DJI RoboMaster M3508 P19 Gear Motor cost?**

From $125 at aifitlab.com. Prices are observed unit prices before tax and shipping.

**What are the DJI RoboMaster M3508 P19 Gear Motor dimensions?**

42 × 42 × 94 mm. A STEP model is available for enclosure fit checks.

**Where does this DJI RoboMaster M3508 P19 Gear Motor 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

- [DJI RoboMaster M3508 P19 Gear Motor datasheet](https://cdn.shopify.com/s/files/1/0673/6848/5000/files/RoboMaster_M3508_Brushless_DC_Gear_Motor_User_Manual_V1.0.pdf)
- [aifitlab.com listing](https://aifitlab.com/products/dji-robomaster-m3508-p19-brushless-dc-gear-motor?variant=43857467572360)