The wheel motor fits all models of the Robomow RX, Loopo S and XR1 series.
Robomow U & PRO | RS Series RX: Robomow RX 50 PRO, Robomow RX 50 u, Robomow RX 20 PRO, Robomow RX 20 u, RX 12 u
Wolf Garden Loopo | S Series S: Wolf Loopo S 300, Wolf Loopo S150
Cub Cadet XR1 | XR1 Series XR1: Cub Cadet XR1 500
Different motor
designations SMOT9200A / MOT9200B / MOT9200A / SMOT9000A / MOT9000B / MOT9000A