Multiquip 540030 Pulley A Section 4.125 X 3/4" Bore - OEM Replacement Part

This A-section pulley transfers power from the engine to the cutting blade system on Multiquip masonry saws, maintaining proper belt tension and drive ratio for consistent cutting performance. The 4.125-inch diameter with 3/4-inch bore is precision-machined to exact OEM specifications, ensuring proper alignment and minimizing vibration that can lead to premature belt wear or blade wobble.

Pulley failure symptoms include squealing belts, reduced cutting power, excessive vibration during operation, or visible wear grooves on the pulley face. Regular inspection of the pulley during routine maintenance helps prevent unexpected downtime on the job site. The 3/4-inch bore diameter requires proper shaft fitment and securing with the appropriate set screw or key to prevent slippage under load.

This pulley is designed specifically for professional-grade masonry saw applications where reliable power transmission is critical for productivity and cut quality.

Compatible with the following Multiquip model:

• SP6457

Genuine Multiquip OEM part, sold by an authorized dealer.