One New Aftermarket Replacement Synchronizer Assembly Fits Case and Fits Case-IH Backhoes and TractorsThis synchronizer assembly is a direct replacement for the 2-speed mechanical shuttle transmission used in Fits Case and Fits Case IH (Fits International Harvester) backhoe loaders and utility tractors. Machined steel construction with integrated dog teeth, it restores smooth gear engagement and reduces clutch wear in the shuttle transmission system.Specifications Part Type: Synchronizer Assembly (Shuttle Transmission) Application: 2-Speed Mechanical Shuttle Transmission Weight: Approx. 3 lbs. Compatible ModelsFits Case / Fits Case IH Backhoe Loaders: 480B, 480C, 530, 580, 580B, 580C, 580CKFits Case / Fits Case IH Tractors: 430, 470, 530, 570Fits Case Skid Steer Loaders: 430Replaces Part Number(s):A151114, A51874, G45049New aftermarket replacement part - not remanufactured, not used.