The Multiquip HU53616 External Retaining Ring is a genuine OEM component designed for HTH-SERIES and STH hydrostatic ride-on trowels. As a direct Multiquip OEM part, it is manufactured to the exact dimensional and material specifications required for proper function in these machines. Confirm your model against the HTH-SERIES or STH series before ordering to ensure a correct match. DHS Equipment supplies this part ready to ship, backed by Multiquip's OEM sourcing.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to the exact groove diameter and thickness tolerances required to seat and hold securely in hydrostatic trowel assemblies.
- Drop-In Replacement — Engineered to install directly into the existing retaining groove with no reworking of the bore or shaft, maintaining original assembly geometry.
- Confirmed Fitment — Compatible with HTH-SERIES and STH hydrostatic ride-on trowels; verify your model code before purchase to ensure correct application.
- Prevents Axial Component Movement — A properly seated external retaining ring locks rotating or sliding components in position, preventing unwanted axial drift that can lead to accelerated wear on adjacent parts.
- Correct Material Grade — Produced from the spring-steel specification called for in the OEM design, delivering the snap force and fatigue resistance needed in a high-cycle trowel drivetrain environment.
An external retaining ring is a precision-formed fastening clip that snaps into a machined groove on the outside of a shaft or pin, locking components in their correct axial position without the need for threaded fasteners. In hydrostatic ride-on trowels, retaining rings are used throughout the blade pitch, drive, and hydraulic linkage assemblies to keep bearings, gears, and housings properly located during continuous high-vibration operation. When a retaining ring is worn, cracked, or missing, the components it secures can shift or separate, causing irregular blade pitch, bearing damage, or drivetrain failure that takes the machine out of service.
For questions about fitment or to confirm this is the correct part for your machine, contact the DHS Equipment parts team before placing your order.
Part Details
| Part Number | HU53616 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | External Retaining Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Hydrostatic Ride-On Trowels | HTH-SERIES |
| Hydrostatic Ride-On Trowels | STH |
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.