Complete Primary Drive Clutch AM140985 For John Deere Gator 4X2 6X4 AM128794. ? Built to strict quality standards. Easy to install, Direct replacement. For 4X2, 6X4 Gators, Diesel Gator, Trail Gator, Worksite Gator. For 1200A Bunker and Field Vehicle. Primary Drive Clutch & Removal Tool.