The John Deere AXE64277 is a genuine OEM Primary Counter Shaft Clutch designed for optimal performance and durability in John Deere agricultural machinery. This essential component ensures reliable power transmission within the primary counter shaft system. It is compatible with various S-Series Combines including S650, S660, S670, S680, S690, S760, S770, S780, S785, S790, and 8000/9000 Series Forage Harvesters such as 8100, 8200, 8300, 8400, 8500, 8600, 8700, 8800, 9500, 9600, 9700, 9800, 9900. Weighing approximately 0.054 kg, with dimensions of 95.25 mm length, 50.8 mm width, and 50.8 mm height, this clutch is engineered to exact John Deere specifications.