The Multiquip 809894 Seal O-Ring MD80 is a genuine OEM seal designed for the MD80 hydraulic ride-on power trowel. Sourced directly from Multiquip, this O-ring delivers the precise material composition and dimensional tolerances required to maintain a leak-free hydraulic system on your MD80 machine. As a genuine OEM component, it matches the original specification exactly — no guesswork on sizing or compound compatibility. If you're servicing the hydraulic circuit on an MD80, this is the correct replacement seal for the job.
Key Features
- OEM-Grade Seal Material — Manufactured to the exact compound hardness and compression set resistance required for hydraulic service on the MD80, ensuring a durable, pressure-holding seal.
- Exact Dimensional Fit — Matches the original cross-section and inner diameter of the MD80 hydraulic system, seating correctly without modification to the bore or groove.
- Confirmed MD80 Fitment — Verified for the Multiquip MD80 mid-sized hydraulic ride-on power trowel series.
- Hydraulic Integrity Preserved — A properly seated O-ring maintains correct hydraulic pressure across blade pitch and drive circuits, keeping trowel response consistent and controllable during finishing operations.
- Fluid Leak Prevention — A worn or damaged O-ring allows hydraulic fluid to bypass sealing surfaces, causing pressure loss, erratic blade pitch, and potential damage to downstream hydraulic components.
An O-ring is a precision loop seal used at the junction of hydraulic fittings, ports, and housings to prevent fluid from escaping under pressure. In a hydraulic ride-on trowel like the MD80, the hydraulic system governs both blade pitch adjustment and machine drive — so a failed O-ring can result in sluggish or unresponsive controls, visible fluid leaks, and a loss of finishing performance. Replacing a worn O-ring promptly with the correct OEM part restores system pressure and protects the broader hydraulic circuit from contamination and wear.
For fitment questions or help confirming this part is correct for your machine, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | 809894 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Seal O-Ring MD80 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Hydraulic Ride-On Power Trowels | MD80 |
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.
