Multiquip 31210ZE3023 Unit Motor GX390,340K1 - OEM Replacement Part for Vibratory Rollers

This complete motor unit assembly powers the Multiquip MRH800GS vibratory roller, delivering 11 HP (8.2 kW) of net power through a Honda GX390K1 engine platform. The air-cooled 4-stroke, single cylinder, OHV horizontal shaft gasoline engine features 389cc displacement with 3.5 in. x 2.5 in. cylinder bore and stroke, providing the reliable power source needed for heavy-duty compaction operations.

The GX390K1SM32 engine included in this assembly incorporates a standard cyclone air cleaner, centrifugal fly-weight speed control, and Oil Alert System for enhanced protection. With a 1.61 gallon fuel tank capacity and 1.2 quart oil capacity, this unit is designed for extended operation. The engine operates at 3,600 rpm for rated power output and 2,500 rpm for maximum net torque, specifically tuned for the demands of vibratory roller applications.

Compatible with:

• MRH800GS

This motor unit works in conjunction with the electromagnetic clutch system (rated 12V DC, 6.6 ohms coil resistance) to drive the vibration system. Regular maintenance includes oil filter replacement initially after 25 hours, then every 500 hours thereafter using genuine 10 micron filter paper elements. Genuine Multiquip OEM part, sold by an authorized dealer.