The Multiquip 912239009 Engine GX390UISM32 MRH800GAS is a genuine OEM engine assembly designed for the MRH800GS walk-behind roller. As a direct Multiquip OEM part, 912239009 is built to the same specification as the original unit installed at the factory, ensuring a correct fit and full compatibility with the MRH800GS platform. DHS Equipment supplies this part direct, so you can order with confidence knowing you are receiving an authentic Multiquip component backed by the brand.
Key Features
- Genuine OEM Engine Assembly — Sourced directly from Multiquip, this engine meets the original design specification for the MRH800GS, delivering the same displacement, output rating, and mounting configuration as the factory-installed unit.
- Direct-Mount Compatibility — Engineered to install into the MRH800GS roller frame without alteration, with matching bolt patterns, shaft dimensions, and ancillary connection points.
- MRH800GS Walk-Behind Roller Fitment — Confirmed fitment for the Multiquip MRH800GS walk-behind vibratory roller series.
- Full Power Output Restored — A worn or seized engine robs the roller of the consistent drum speed needed for even compaction passes; replacing with this genuine unit restores the drive performance the machine was designed to deliver.
- Fuel System Integrity — The GX390UISM32 engine includes the manufacturer-configured fuel and ignition setup, helping maintain consistent starts and stable throttle response under compaction loads.
The engine is the primary power source on the MRH800GS walk-behind roller, driving the drum rotation and vibratory mechanism that compact asphalt and soil surfaces. When the engine loses power, runs roughly, or fails entirely, the roller cannot maintain the drum speed or centrifugal force required for consistent compaction results. Replacing a failed or worn engine with a genuine Multiquip 912239009 unit brings the MRH800GS back to full operational condition and ensures the machine performs as originally intended.
For fitment questions or to confirm this part is correct for your specific MRH800GS serial range, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 912239009 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine GX390UISM32 MRH800GAS |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | MRH800GS |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
