
Components Compatible with QS Motor QSD138D-90
Mid-Drive Motor4000W48–72V
QS138 90H Liquid Cooled Mid Drive Motor — 4000W rated IPM PMSM inrunner with integrated liquid-cooling jacket. Same electrical specs as QSD138A-90 (air cooled) but with barbed coolant fittings for sustained high-power operation. 138mm stator diameter, 90mm stack height, 5 pole pairs. Belt driven or sprocket design. IP67 waterproof.
10 components are compatible with the QS Motor QSD138D-90, including 9 batteries, 1 controller.
9 Batteries1 ControllerFrequently Asked Questions
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Start a new build with the QS Motor QSD138D-90 and pick from 10 compatible components.









