Premium Quality Replacement Part. Complete Primary Drive Clutch. Compatible with John Deere Models. Gator and Trail Gator 4X2. Worksite Gator 1200A Bunker and Field Vehicle. 1x Complete Primary Drive Clutch: AM140985, AM127503, AM128794, AM130652. Outer Diameter: 192 mm – 7.5 in. Height: 165 mm – 6.5 in. Shaft Hole Inner Diameter: 30 mm – 1.18 in. Bearing Outer Diameter: 35 mm – 1.37 in.