Order Today to get your equipment back to in top shape. MAXIM Rotor Tiller Drive Chain These measure 25" each with 40 pins/rollers made as an endless loop without joiner link. These Premium #50 chains are rugged to ANSI Standards with hardened solid steel rollers and pins. With shot peened side plate to reduce surface tension, improve fatigue resistance and increase durability. Replaces original drive chain with OEM Specs. Chain Pitch: 0.625" Roller Diameter: 0.400" Roller Width: 0.375" Pin Diameter: 0.200" Plate Thickness: 0.080" Tensile strength: 6100 Pounds Get your tiller 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. This part is compatible with the following machines: MS30B MS50B MS50BR 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.