Multiquip 518351500 Center Flex - OEM Replacement Part for Vibratory Rollers

The center flex coupling is a critical vibration-dampening component that connects the drum drive system on walk-behind vibratory rollers, allowing for controlled power transfer while absorbing operational shock loads. This genuine OEM part is engineered specifically for the MRH601DS model, which operates at 3,300 vibrations per minute (55 Hz) with a centrifugal force of 2,428 lbf. The center flex component experiences significant stress during compaction operations, particularly when working on the machine's maximum 35% grade capability or during direction changes with the traveling lever.

Given the high-frequency vibration environment and the substantial forces generated by the dual-drum configuration (front drum: 34.9 N/cm, rear drum: 46.2 kgf/cm), the center flex should be inspected regularly for signs of wear, cracking, or deterioration. Failure of this component can result in loss of drum drive, excessive vibration transmission to the operator handle, or damage to connected drivetrain components. This part is essential for maintaining proper roller performance on the 1,214 lb machine with its 25.59-inch drum width.

Compatible with the following Multiquip models:

• MRH601DS Vibratory Roller

Genuine Multiquip OEM part, sold by an authorized dealer.