- Compatible with MTD Tractors: The Variable Speed Pulley fits MTD Tractors including LT538G, CR30, C76GF, V76GF, YT4218, YT542K, V90GS, CLT38G, LT3812, CLT46CVT, CLT42G, 13AN772G200, 13AC650F700, 13AD685G700, 13AD688G722, 13AG688H300, 31AT605H718, 13AJ771G004, 13AL771H004, 13AJ771G204, 13AD688G300, 13AJ688G722 - Compatible with Craftsman Tractors: The pulley fits Craftsman T1000, T1200, T1400, T1600, LT2000, LT1500, 13AJ78SS099, 13AL78ST099, 13AL78ST299, 13AN77SS099, 13AN77SS299 - Compatible with Troy-Bilt: The pulley fits Troy-Bilt Tractors including 42 X, 46 X, 46 T, 46 K, TB 30, TB 30 R, 42 T, 36 T, 42 B, 42 K, GTX2446, GTX2654, GT50 - Replacement part numbers: 618-04148, 656-0059A, 656-04015, 656-04015B, 918-04148, 956-0059A, 956-04015, 956-04015A, 956-04015B. Please make sure the part number matches your equipment before ordering - High quality construction: Made of quality steel, this pulley offers strong durability and reliable performance. Factory tested multiple times to help prolong service life and maintain consistent belt drive - Practical use scenarios: - Replace a worn or slipping pulley on an MTD, Craftsman, or Troy-Bilt lawn tractor to restore proper belt drive and speed control - Use during routine maintenance on models listed to prevent belt wear and maintain drive efficiency - Ideal for projects refurbishing older tractors to extend their usable life without sacrificing performance - Benefits at a glance: precise compatibility with popular tractor lines, robust steel construction, verified by factory testing, and a range of replacement part numbers to ensure you find the correct match for your machine