- Xtreme Torque Series, High Torque Cool Coil Upgrade, High Temperature Bearing Upgrade
- Replaceable Pulley Bearing, Super Smooth "Xtreme Precision" Machined Pulley
- Upgraded to 3 Layer "Xtreme TOUGH" Integrated, Water Tight Wire Harness
- Specs: Description: PTO Clutch, Crankshaft: 1.000, Pulley: 5.355", Rotation: Counter Clockwise, Belt: A/B Belt, Xtreme Torque: 80 ft. lbs.
- Replaces OEM Numbers: Alpina: 118399061/0, 118399063/0, 18399061/0, 18399063/0, Castelgarden: 118399061/0, 118399063/0, 18399061/0, 18399063/0, Stiga: 118399061/0, 118399063/0, 18399061/0, 18399063/0, Warner: 5217-45