The Hustler 601801 is a genuine OEM electromagnetic clutch designed for various Hustler FasTrak series zero-turn mowers. This 12V clutch features a 28.575 mm (1.125 inch) inner diameter, a 158.75 mm (6.25 inch) outer diameter, and provides 135.58 Nm (100 ft/lbs) of torque. It operates with a counter-clockwise rotation and is compatible with 12.7 mm (1/2 inch) wide belts, featuring a 134.62 mm (5.3 inch) pulley diameter. Essential for engaging mower blades, ensuring reliable performance and power transfer.