This shock absorber controls vertical oscillation of the cab relative to the tractor chassis. It dampens the motion transmitted from the rear axle and chassis frame, reducing vibration felt by the operator. A worn or leaking damper allows excessive cab movement, which can cause fatigue cracking at the cab mounting points and degrade operator control. The manufacturer’s valving matches the original spring-and-damper tuning for the cab suspension system. On replacement, inspect the mounting bushings and torque the fasteners to the specified value.
This shock absorber controls vertical oscillation of the cab relative to the tractor chassis. It dampens the motion transmitted from the rear axle and chassis frame, reducing vibration felt by the operator. A worn or leaking damper allows excessive cab movement, which can cause fatigue cracking at the cab mounting points and degrade operator control. The manufacturer’s valving matches the original spring-and-damper tuning for the cab suspension system. On replacement, inspect the mounting bushings and torque the fasteners to the specified value.