Levelling Box Shaft 15-Spline with 1 UNC Thread for MF Tractors - Sparex Part S.42052The Sparex S. 42052 Levelling Box Shaft provides reliable and accurate adjustment for tractor lift rods, ensuring smooth and balanced implement operation. It plays a vital role in maintaining correct linkage geometry, especially during heavy duty agricultural work. With a 15 spline configuration and 1 UNC threaded end, this levelling shaft measures 473mm in overall length and features a 147mm thread section. It is engineered for precision fit and long