For John Deere Gator 4X2 6X4 Complete Primary Drive Clutch AM140985 AM128794. 1 Primary Drive Clutch. For 4X2, 6X4 Gators, Diesel Gator, Trail Gator, Worksite Gator 1200A Bunker and Field Vehicle. We are committed to providing each customer with the outstanding customer service, the highest quality products and a comfortable, secure shopping. Professional installation is highly recommended for our products. We do not provide installation instructions online. We apologize for the late reply during the weekends or holidays.