The Multiquip 502201020 Rotary Shaft is a genuine OEM component designed for MDR-9DYE, MDR-9GH, and MDR-9D ride-on power trowels. As a direct OEM replacement, it meets Multiquip's original design and material specifications, ensuring correct installation and consistent performance across the MDR-9 series. Sourced from Multiquip's authorized parts network, 502201020 is the same shaft used in original production — giving you confidence that the part will seat, align, and function as intended.
Key Features
- Genuine OEM Construction: — Manufactured to Multiquip's original material and dimensional tolerances for the rotating shaft assembly, not a generalized approximation.
- Direct-Fit Replacement: — Engineered to install in place of the original shaft without rework or machining, maintaining correct rotational alignment in the trowel drive system.
- MDR-9 Series Compatibility: — Confirmed fitment for MDR-9DYE, MDR-9GH, and MDR-9D ride-on power trowels.
- Drive System Integrity: — A worn or damaged rotary shaft causes vibration, uneven blade rotation, and loss of finishing control; replacing it promptly restores smooth, consistent trowel action across the blade assembly.
- Correct Part Number Verification: — Cross-reference 502201020 against your machine's parts manual to confirm exact application before installation.
The rotary shaft is a core element of the ride-on trowel's blade drive system, transmitting rotational force from the drive assembly to the finishing blades. It must maintain precise alignment to ensure each blade set rotates evenly and applies consistent pressure to the concrete surface. When a rotary shaft becomes worn, bent, or damaged, operators will notice irregular blade movement, increased vibration, and a degraded surface finish — all of which require immediate attention to prevent further drivetrain damage.
Part Details
| Part Number | 502201020 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Rotary Shaft |
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.
