The Multiquip 501407880 D.C. Guide Roller is a genuine OEM component designed for MDR-9DYE, MDR-9D, and MDR-9GH ride-on power trowels. As an authorized Multiquip parts source, DHS Equipment supplies this exact OEM replacement to ensure your machine is restored to the correct operating specification. This roller is a direct-fit replacement for the MDR-9 series, requiring no modification to install. If your trowel is showing signs of uneven blade travel, increased vibration, or guide wear, replacing the part is a straightforward step toward restoring smooth, controlled operation.
Key Features
- Genuine OEM Precision — Manufactured to Multiquip's exact tolerancing for consistent rolling contact and smooth blade guidance throughout the trowel's operating range.
- Direct-Fit for MDR-9 Series — Engineered to drop into place on MDR-9DYE, MDR-9D, and MDR-9GH power trowels, aligning with existing mounting points without rework.
- Maintains Smooth Blade Movement — A correctly functioning guide roller keeps blade pitch adjustment fluid and predictable; a worn roller introduces binding, uneven troweling, and accelerated wear on surrounding components.
- Durable Construction — Built to withstand the continuous rotational loads and concrete dust exposure typical of production finishing work on MDR-9 series trowels.
- Verified Multiquip OEM Part — Sourced directly through authorized Multiquip distribution channels, ensuring you receive the correct 501407880 component every time.
The D.C. guide roller controls the movement and positioning of the trowel blade pitch adjustment mechanism on ride-on power trowels. As the operator adjusts blade angle, the guide roller provides a smooth, low-friction rolling surface that translates control inputs into consistent blade movement across all rotor arms. When the guide roller wears or fails, blade pitch becomes erratic or unresponsive, resulting in an uneven finish and increased stress on the pitch adjustment assembly. Replacing a worn roller promptly protects the surrounding hardware and keeps the finishing performance of the trowel consistent.
Part Details
| Part Number | 501407880 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | D.C. Guide Roller |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Trowels | MDR-9DYE |
| Power Trowels | MDR-9D |
| Power Trowels | MDR-9GH |
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.
