Order Today to get your equipment back to in top shape. Gravely Power Brush Replacement Drive Chain These ENDLESS LOOP drive chains measure 17" with 34 pins/rollers without a master joiner link. Our Premium #41 chains are rugged to ANSI Standards 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 included master joiner link. Chain Pitch: 0.500" Roller Diameter: 0.306" Roller Width: 0.250" Pin Diameter: 0.141" Plate Thickness: 0.050" Tensile strength: 2100 Pounds 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. This part is compatible with the following machines: Gravely Power Snow Brush Gravely 924515 - Gravely PB936 Snow Brush (SN: 000101 Above) - Reduction Drive Gravely 924519 - Gravely PB936 Snow Brush (SN: 000101 Above) - Reduction Drive Gravely 926503 - Gravely 936 Snow Brush, 9hp Tecumseh (SN: 001001 Above) - Brush Drive Unit Gravely 926503 - Gravely 936 Snow Brush, 9hp Tecumseh (SN: 000101 - 001000) - Brush Drive Unit Gravely 926510 - Gravely 36" Snow Brush, Subaru EX27 (SN: 000101 Above) - Brush Drive Unit Gravely 926512 - Gravely 36" Snow Brush, Subaru EX27 (SN: 000101 Above) - Brush Drive Unit