Multiquip 21536 Seal Kit Hydraulic Motor Port End

The Multiquip 21536 Seal Kit Hydraulic Motor Port End is a genuine OEM replacement designed for the HTH44T hydrostatic ride-on trowel. This seal kit is sourced directly from Multiquip, ensuring it meets the exact material and dimensional specifications of the original component. Verified for use on HTH44T series machines, this kit delivers a correct, direct-fit installation at the hydraulic motor port end. DHS Equipment stocks this genuine Multiquip part so you can get your trowel back in service without delay.

Key Features

• Genuine OEM Sealing Materials — Manufactured to Multiquip's original compound and durometer specifications, ensuring the seals hold hydraulic pressure under the operating demands of a ride-on trowel.
• Direct-Fit Port End Installation — Engineered to seat correctly at the hydraulic motor port end interface, allowing a clean, leak-free connection without improvisation or shimming.
• Confirmed HTH44T Fitment — Designed specifically for the HTH44T hydrostatic ride-on trowel series, eliminating guesswork on compatibility.
• Maintains Hydraulic System Integrity — Worn or degraded port end seals allow hydraulic fluid to bypass or leak, causing loss of blade pitch control and erratic drive response; a fresh seal kit restores full system pressure and consistent trowel performance.
• Hydraulic System Safety — A compromised hydraulic seal can lead to uncontrolled blade or drive behavior on a ride-on trowel; replacing seals at the first sign of leakage protects both the operator and the machine.

The hydraulic motor port end seal kit provides the sealing elements that prevent hydraulic fluid from escaping at the point where hydraulic lines connect to the drive motor on the trowel. On a hydrostatic machine like the HTH44T, consistent hydraulic pressure is what gives the operator precise, responsive control over blade pitch and machine movement — any leak at the port end directly undermines that control. When these seals wear, crack, or swell over time, fluid loss and pressure drop follow, leading to sluggish or uneven blade response and potential damage to the hydraulic motor itself.

For questions about fitment or ordering, contact the DHS Equipment team for assistance.

Part Details

Compatibility & Fitment

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.