Zodiac Vortex 3 / Vortex 4 set of 2 traction motors - R0615300

Zodiac Vortex 3 / Vortex 4 set of 2 traction motors

This is the genuine Zodiac replacement set of two traction motors for the Vortex 3 and Vortex 4 robotic pool cleaners. Each motor drives one side of the robot’s wheel system, providing the independent left/right propulsion that allows the cleaner to navigate the pool floor, climb walls and change direction. Sold as a matched pair, this kit replaces the original single-unit reference W1890A.

Function and role in the drivetrain

The traction motors are the mechanical heart of the Vortex drive system. Operating at low DC voltage supplied through the floating cable, they convert electrical energy into rotational torque that is transmitted via drive shafts to the front and rear wheels. Independent control of the left and right motors by the control unit enables differential steering, allowing the robot to reverse, pivot and systematically cover every area of the pool.

Compatible models

This set of two motors is confirmed for the Zodiac Vortex 3, Vortex 3 Saphir and Vortex 4 robotic pool cleaners in both 2WD and 4WD configurations. Compatibility also extends across the broader Zodiac OV and RV ranges (OV 3310, 3400, 3480, 3510, 5200, 5300, 5330, 5410; RV 4400, 5300, 5400, 5470) and the Vortex 2 platform. Always verify your robot’s model number before ordering.

Symptoms that indicate replacement is needed

A failed traction motor typically presents as the robot failing to move on start-up, moving in circles because one drive side has lost power, or triggering a left-side or right-side traction motor short-circuit error code on the control unit. In all such cases both motors should be replaced as a set to ensure matched performance and avoid premature failure of a previously unaffected motor.

Why genuine Zodiac parts matter

Genuine Zodiac traction motors are wound, sealed and rated to the exact torque and voltage specification of the Vortex control unit. Aftermarket alternatives may differ in winding resistance or shaft tolerance, leading to imbalanced drive, accelerated gear wear and potential control-unit faults. Using genuine parts also preserves any remaining manufacturer warranty on the robot.