Order Today to get your equipment back to in top shape. HUSQVARNA POULAN Rear Tine RotorTiller Replacement Gear Case Chain These rugged drive chains measure 37.5" with 60 pins/rollers This chain is made as an ENDLESS LOOP without a joiner link. Our Premium #50 chains are made rugged to ANSI Standards. Manufactured with hardened solid steel rollers and pins. Shot peened side plates for stress relief and longer service life. Bulk Packaged - No retail packaging. Quick and easy installation with some disassembly required. Chain Pitch: 0.625" Roller Diameter: 0.400" Roller Width: 0.375" Pin Diameter: 0.200" Plate Thickness: 0.080" Tensile strength: 6200 Pounds This part works with the following models: Husqvarna CRT81 Tiller - Tiller Husqvarna CRT83 Tiller - Tiller If your drive chain is making a popping / clicking noise or sounds like it is binding when it runs, not running as quiet as it once did , the chain is worn/stretched beyond it's service limit and ready to fail. Order replacements now to have on hand for the inevitable. Please measure and verify the actual # of links or the overall length of your drive chain before ordering. If the chain you need is longer or shorter, contact us, we will make one especially for your needs.