The Multiquip 551331210 Gear Motor MRX-440A/PA is a genuine OEM component designed for the MRX-440A walk-behind roller. Sourced directly from Multiquip, this part meets the exact specifications of the original unit, ensuring a correct, direct installation without guesswork. If you are servicing or rebuilding a MRX-440A roller, this is the authorized replacement gear motor for the job.
Key Features
- Genuine OEM Construction — Manufactured to the exact torque and drive specifications of the original gear motor, ensuring consistent power transmission to the roller drum.
- Direct-Mount Replacement — Matches the original mounting interface and output shaft configuration on the MRX-440A, allowing a straightforward swap during service.
- Confirmed Fitment for MRX-440A — Verified for use on Multiquip MRX-440A walk-behind rollers; use part number 551331210 to confirm compatibility before ordering.
- Sustained Drive Performance — A properly functioning gear motor maintains steady drum rotation and compaction force; a worn or failed unit can cause erratic drum speed or complete loss of drive.
- Operational Safety — A correctly operating gear motor keeps drum movement predictable and controlled, which is critical for operator safety on graded or sloped surfaces.
The gear motor is the core drive component responsible for converting hydraulic or mechanical input into rotational force at the compaction drum. On a walk-behind roller like the MRX-440A, it directly controls drum speed and torque output, which determines how effectively the machine compacts the surface. When a gear motor begins to fail, operators typically notice reduced drum speed, uneven compaction, or a complete loss of drive — all of which halt productive work and can compromise finished surface quality.
For fitment questions or to confirm this part is correct for your machine, contact the DHS Equipment team for assistance.
Part Details
| Part Number | 551331210 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Gear Motor MRX-440A/PA |
Compatibility & Fitment
| Name | Model |
|---|---|
| MRX-440A | MRX-440A |
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.
