The Multiquip 551210990 Roller Shaft DNO MRX-440 is a genuine OEM component designed for the MRX-440 walk-behind vibratory roller. Sourced directly from Multiquip, this shaft is manufactured to the same specifications as the original, ensuring a correct, drop-in fit without improvisation or adaptation. Confirmed fitment for MRX-440 series equipment makes this the straightforward choice when the original shaft is worn, damaged, or due for replacement. DHS Equipment stocks genuine Multiquip OEM parts so you get the right part the first time.
Key Features
- Genuine OEM Construction — Machined to the original dimensional tolerances required for the MRX-440 drum and drivetrain assembly, not a generic approximation.
- Direct Application Fit — Engineered specifically for the MRX-440 roller, aligning with existing mounting points and bearing surfaces for a straightforward installation.
- MRX-440 Confirmed Compatibility — Part 551210990 is validated for the MRX-440 walk-behind vibratory roller series.
- Drum Drive Integrity — A correctly fitted roller shaft transfers compaction force evenly and keeps the drum running true; a worn or damaged shaft leads to vibration imbalance and uneven compaction output.
- Long-Term Dimensional Stability — OEM-grade material and finish resist the torsional stress and repetitive loading that roller shafts experience during compaction cycles.
The roller shaft is a core structural and mechanical component that transmits rotational force from the drive system to the compaction drum. It must maintain precise alignment within the drum housing to ensure even vibration distribution across the compaction surface. When a roller shaft wears, bends, or develops surface damage at its bearing journals, the drum can run off-center, causing inconsistent compaction, increased bearing wear, and potential drivetrain damage if left unaddressed.
Part Details
| Part Number | 551210990 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Roller Shaft DNO MRX-440 |
Compatibility & Fitment
| Name | Model |
|---|---|
| MRX-440 | MRX-440 |
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.
