The JCB 33155811 Adjuster Pulley is a genuine OEM component designed for JCB Dieselmax engines. This critical part maintains proper belt tension, essential for the efficient operation of various JCB Loadall, JS Excavator, Fastrac, and other heavy machinery models. Manufactured to JCB's stringent standards, it ensures durability and reliable performance. With dimensions of 95mm length, 95mm width, 51mm height, and a weight of 0.12 kg, this adjuster pulley is engineered for a precise fit and long service life in demanding applications.