Order Today to get your equipment back to in top shape. JD 30" Mechanical 47" Tractor Mounted Tiller Tine Drive Roller Chain These measure 40" each with 64 pins/rollers made for easy installation with joiner link included. These Premium #50 chains are made rugged to ANSI Standards with hardened solid steel rollers and pins. Shot peened side plates for stress relief, increased fatigue resistance and longer service life. Replaces original drive chain with OEM Specs. Quick and easy installation with included master joiner link. Pitch: 0.625" Roller Diameter: 0.400" Roller Width: 0.375" Pin Diameter: 0.200" Plate Thickness: 0.080" Tensile strength: 6100 Pounds Link Count: 64 Length: 40" Get your equipment ready by replacing any worn or slack drive chains now. To save with combined shipping just add them all to your cart before you checkout. Please measure and verify the actual # of links or the overall length of your drive chain before ordering. If your chain is longer or shorter and not in our stock contact us, we will make one especially for your needs.