Multiquip 22624 Honda GX390 13HP Engine - OEM Replacement Part

This genuine Honda GX390 engine delivers 13 horsepower at 3,600 rpm and serves as the primary power source for Multiquip HDA-Series walk-behind trowels. The air-cooled, 4-stroke, single-cylinder OHV gasoline engine features an 88mm bore × 64mm stroke with 23.7 cubic inch displacement, providing reliable power transfer through the CVT system to the gearbox for concrete finishing operations.

This horizontal shaft engine includes recoil start, centrifugal flyweight speed control, and a 1.72-gallon fuel tank capacity. Oil capacity is 1.16 quarts (1.1 liters). The engine interfaces directly with the helical worm gear drive gearbox to rotate the 4-blade rotor system at speeds ranging from 35-225 rpm across the 46-inch path width. Regular maintenance and proper operation ensure consistent performance for professional concrete troweling applications on the HDA-Series platform.

Compatible with the following Multiquip models:

• HDA-SERIES Walk-Behind Trowels

Genuine Multiquip OEM part, sold by an authorized dealer.