The Multiquip 502302590 is a genuine OEM Eccentric Rotator designed for MDR-9DYE, MDR-9GH, and MDR-9D ride-on power trowels. Sourced directly through Multiquip's authorized parts program, this component carries the same specifications as the part it replaces, ensuring a consistent, dependable installation. DHS Equipment stocks this genuine OEM part to help keep your finishing equipment running at full capability.
Key Features
- Genuine OEM Eccentric Specification: — Manufactured to the exact offset geometry and mass balance required for correct vibration output — critical for consistent blade pitch response and smooth trowel operation.
- Direct-Swap Installation: — Matches the original mounting interface on MDR-9 series trowel drive assemblies, allowing straightforward removal and reinstallation without machining or adapting.
- Confirmed MDR-9 Series Fitment: — Verified for the MDR-9DYE, MDR-9GH, and MDR-9D ride-on trowel models, covering Yanmar diesel and Honda gasoline variants in this family.
- Blade Control Integrity: — A correctly functioning eccentric rotator maintains precise, even blade pitch adjustment across the full rotor assembly; a worn or failed unit causes uneven blade loading and loss of finishing quality.
- Authorized OEM Sourcing: — Carrying the genuine Multiquip part number 502302590 means no guesswork on cross-referencing — you receive the exact component specified for your machine.
The eccentric rotator is a core element of a ride-on trowel's pitch-control mechanism. As the rotor spins, the eccentric rotator converts rotational motion into the oscillating movement that adjusts blade angle, allowing the operator to control finishing pressure and blade pitch across the concrete surface. When this component wears, develops play, or fails entirely, blade pitch becomes erratic or non-responsive, resulting in uneven finishing passes and potential damage to the fresh concrete surface.
For fitment questions or to confirm this part suits your specific machine serial configuration, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 502302590 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Eccentric Rotator |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Trowels | MDR-9DYE |
| Power Trowels | MDR-9GH |
| Power Trowels | MDR-9D |
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.