This Lock Nut is a replacement for Bobcat OEM 59D8. A low cost, high quality aftermarket part designed to meet or exceed OEM quality. Compatible with the following Bobcat Models: Aerators: AE26 All-Wheel Steer Loaders: A220, A300, A770 Articulating Tractors: AT450 Attachments: ANGLE BROOM, BOOM TRUSS, CONCRETE PUMP, DISC, FLEX DECK MOWER, JR. SOD CUTTER ? HYDRO, LOADER - ATTACHMENTS, MAINTENANCE ITEMS, ROUGH CUT MOWER, SEEDER, SNOW BLADE, SNOWBLOWER, SPRAYER, TILLER, TINE RAKE, V-BLADE Compact Track Loaders: 864, T110, T140, T180, T190, T200, T250, T300, T320, T450, T460, T530, T550, T560, T590, T595, T630, T650, T740, T750, T770, T870 Jr. Sod Cutters: 744844H, 744845H, 744944C, 744945C Skid-Steer Loaders: 1213, 440, 443, 450, 453, 463, 530, 533, 540, 542, 543, 553, 630, 631, 632, 641, 642, 643, 645, 653, 730, 731, 732, 741, 742, 743, 751, 753, 763, 773, 7753, 843, 853, 863, 873, 883, 963, 980, S100, S130, S150, S160, S175, S185, S205, S220, S250, S300, S330, S450, S460, S510, S530, S550, S560, S570, S590, S595, S630, S650, S70, S740, S750, S770, S850 Sod Cutters: SC12, SC18 Walk Behind Mowers: WB700 Zero Turn Mowers: ZT2000, ZT3000, ZT3500, ZT5000, ZT6000, ZT6000e, ZT6100, ZT7000 Zero Turn Stand-On Mowers: ZS4000 Shipping, Returns & Refunds Policies: Our Shipping Policy can be found here. Shipping times can vary depending on location - multiple options will be provided. Our Return Policy can be found here. Our Refund Policy can be found here. Contact Us: Parts can vary depending on your serial number, please make sure this is the correct part for your equipment. If you need any help, please call, text, or email us here and our team will get back to you ASAP!