Multiquip 516775 Coupler Motor Shaft - OEM Replacement Part

The motor shaft coupler transmits rotational power from the diesel engine to the concrete pump's hydraulic system, serving as the critical mechanical link in your structural concrete pump's drivetrain. This precision-machined coupling component must maintain perfect alignment and torque transfer to ensure reliable pumping performance under the demanding conditions of high-volume concrete placement operations.

Designed specifically for Multiquip's LS-Series trailer-mounted structural concrete pumps, this coupler handles the continuous stress of pumping various concrete mixes, from standard structural concrete to faster-setting specialty mixes. Worn or damaged motor shaft couplers can cause vibration, power loss, misalignment issues, and eventual drivetrain failure. Regular inspection of this component during routine maintenance intervals helps prevent costly downtime and ensures your pump maintains proper valve efficiency and output volume, especially critical during long-distance pumping or when handling stiff concrete mixes.

Compatible Models:

• LS-40, LS-40TD, LS-50TD
• LS-60TD
• LS400, LS500
• LS600

Genuine Multiquip OEM part, sold by an authorized dealer.