Order Today to get your equipment back to in top shape. 2 - Dixon ZTR Direct Replacement Drive Chains For most Dixon 30", 36" 42" ZTR mowers with Std. and Z-Drive "cone" transaxles. There are some variations in original equipment length from year to year and one model to the next. These measure 45" with 90 pins/rollers. 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. These Premium #40 chains are rugged to ANSI Standards with hardened solid rollers and solid pins in an endless loop. Endless loop chains means no weak master or splice link to break or fail. Easily installs over Dixon 16" tires. 18" tires must be removed prior to installation. Please see our other listings for different drive chains on hand or we can custom make one for you. Chain Pitch: 0.500" Roller Diameter: 0.312" Roller Width: 0.312" Pin Diameter: 0.156" Plate Thickness: 0.060" Tensile strength: 3700 Pounds To get your ZTR ready for Spring replace any worn or slack drive chains in pairs for proper drive symmetry. To save with combined shipping just add them all to your cart before you checkout. For replacement Dixon inboard drive chains , 2 - 15 inch roller chains refference #'s 40-30 5019 5246 539115981 .