The JCB 334C0639 is a genuine OEM tensioner pulley designed for a wide range of JCB machinery. This essential component ensures proper belt tension, contributing to the efficient operation of the engine and associated systems. With dimensions of 140mm length, 140mm width, and 40mm height, and a weight of 0.88 kg, it is built to JCB's rigorous standards for durability and performance. It fits various JCB Loadall, Wheel Loading Shovel, Backhoe Loader, Excavator, Fastrac, and Skid Steer Loader models.