The shaft diameter of the 895 motor is 5MM the same as the 775 motor. Only need to replace the motor and bracket to upgrade the power at low cost The 895 motor can be used as a generator. The faster the speed, the higher the voltage and current. 895 is widely used in : cutting machines, belt , lathes, milling machines, Bench drill, electric hand drill, polishing machine, bead machine , Lawn mowers, wire saws, band saws, electric grinders, engraving machines, , etc., there are only unexpected, nothing impossible. 895 high-speed model: 6000 rpm at 12V, maximum torque of 4.2 kg, 12,000 rpm at 24V, maximum torque of 8 kg The starting current should be more than 10A. It is recommended to use a power supply such as a switching power supply or a battery. It is recommended to use a 360W24V15A switching power supply. 220V power cannot be used directly. Material:Metal colour:As shown Package Contents: 1 x DC motor(High speed) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.