Multiquip 14546-001 Spindle Countershaft Assembly - OEM Replacement Part for G500 Vibrator

The spindle countershaft assembly is a critical drive component in Multiquip G-series concrete vibrators, responsible for transferring engine power to the vibrator head through the belt-driven pulley system. This eccentric countershaft assembly generates the 10,600 RPM shaft speed at 3600 engine RPM required for effective concrete consolidation. Located within the V-belt housing, the countershaft also serves as the belt tensioner—proper tensioning is achieved by rotating the eccentric assembly clockwise until belts deflect 5-10mm under 5-10 pounds of force applied between pulleys, then securing with the locking screw and wing nut.

This component requires inspection during routine belt tension maintenance and should be checked whenever you experience reduced vibration efficiency, unusual noise from the belt housing, or excessive belt wear. The countershaft supports the upper pulley that drives the vibration function through the eccentric bell end and quick disconnect system. Regular maintenance every 100 hours includes verifying proper countershaft alignment and tension adjustment.

Compatible with the following Multiquip concrete vibrator models:

• G55H Gasoline Vibrator

Genuine Multiquip OEM part, sold by an authorized dealer.