QS Motor QSJ155A-36
QS155 36H Hairpin Mid Drive Motor with Internal Gearbox — 5000W rated IPM PMSM inrunner with hairpin winding and gear reduction. 155mm stator diameter, 36mm stack height, 4 pole pairs. Air cooled, IP67. Commonly paired with Fardriver ND72680 controller. Targets Sur-Ron class e-motorcycle conversions.
In brief: 5000W mid-drive motor. 48–72V rated. From $467.
Specs verified May 29, 2026
Where to Find
Prices tracked across 2 sellersPrice History
Price History
Price changes tracked by the crawler
No price history data yet
History is recorded when the crawler detects price changes or when product link prices are manually updated.
Reviews
No reviews yet — be the first to share your experience.
Sign in with Google to leave a review.
Specifications
Motor Design
- Design
- Inrunner PMSM
- Stator Diameter
- 155mm
- Stator Height
- 36mm
- Pole Pairs
- 4
- Shaft Type
- Spline
- Internal Gear Ratio
- 1:2.94
- Cooling
- Air
Performance
- Wattage
- 5000W
- Rated Voltage
- 48–72V
Features
- PAS Sensor Type
- None
- Temp Sensor
- KTY83
- Has Encoder
- Yes
Physical
- IP Rating
- IP67
Ports & Connectors
Phase Wires3 Ring Terminals
Motor Phase
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow | Phase A |
| 2 | Green | Phase B |
| 3 | Blue | Phase C |
Phase Wires3 Ring Terminals
Motor Phase
| Pin | Wire color | Function |
|---|---|---|
| 1 | Yellow | Phase A |
| 2 | Green | Phase B |
| 3 | Blue | Phase C |
Hall Sensor
Hall Sensor
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | No color | None |
| 3 | Black | Ground |
| 4 | Green | Hall A |
| 5 | Yellow | Hall B |
| 6 | Blue | Hall C |
Encoder
Hall SensorTemperature
| Pin | Wire color | Function |
|---|---|---|
| 1 | Red | 5V Power |
| 2 | Black | Ground |
| 3 | Yellow | Encoder A |
| 4 | Green | Encoder B |
| 5 | Blue | Encoder Z (Index) |
| 6 | Orange | Motor Temp |
| 7 | White | Ground |
| 8 | No color | None |
