Note: Lower RPM motors have more available head options, while higher RPM motors are limited to either the Slender Head or Standard Head configurations.
There are 6 motors from which to choose: 3 High-Torque, 2 Standard (General Purpose), and 1 High-Speed.
| Motors: | M-08X | M-15X | M-30X | M-20X | M-35X | M-55X |
| Min RPM: | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 |
| Max RPM: | 8,000 | 15,000 | 30,000 | 20,000 | 35,000 | 55,000 |
| Max. Torque: (N/cm) |
9.8 | 8.8 | 6.8 | 6.4 | 5.4 | 3.6 |
| Application: | High- Torque* |
High- Torque* |
High- Torque* |
Standard* | Standard* | High- Speed* |
| Net Weight: | 6.2 oz. | 6.2 oz. | 6.2 oz. | 4.25 oz. | 4.25 oz. | 3.2 oz. |
* High-Torque Motors are for heavy grinding applications where high torque is required. When selecting a head attachment, please refer to the maximum rpm speed of the head attachment (see Motor/Head Compatibility tab above).
Standard Motors are small, lightweight motors for general purpose finishing. Fits comfortably in hand. For use with Standard Head and Slender Head attachments only (see Motor/Head Compatibility tab above).
The Z-55X High-Speed Motor is the lightest, fastest, and most comfortable high-speed motor. For use with Standard Head and Slender Head attachments only.(see Motor/Head Compatibility tab above).