The JCB 45446800 is a genuine clutch plate designed for various JCB machinery, including 3CX, 4CX, and Loadall models such as 520, 525, 526, 527, 528, 530, 532, 535, 537, 540. This essential component features an outer diameter of 310mm, an inner diameter of 180mm, and a 10-spline design, ensuring reliable power transmission and durability in demanding agricultural and construction applications.