R27018003 New Bushing w/O Ring Fits John Deere Tractor 2510 3010 3020 4030One New Aftermarket Replacement Load Control Shaft Bushing with O Ring Fits John Deere Tractors This aftermarket replacement load control shaft bushing with O ring fits the 3 point hitch load control system on Fits John Deere 2510, 3010, 3020, and 4030 tractors. The load control shaft bushing seals and supports the hitch draft sensing shaft in the hydraulic hitch valve housing; worn or leaking bushings commonly cause hydraulic fluid loss and erratic