John Deere Gator 825i 620i Hard to Shift FIX How to fix the hard to shift problem John Deere XUV 850D Gator Primary Clutch. This item is in the category Vehicle Parts & Accessories\Commercial Vehicle Parts\Agricultural Vehicles\Agricultural Vehicle Parts. Also collect from our showroom offering a HUGE range of John Deere mowers, Stihl garden machinery, Le chameau footwear, Teng tools and children's farm toys.