The Multiquip HU51494 Special Nut is a genuine OEM component designed for HTH-SERIES, HTH44T, and STH hydrostatic ride-on trowels. As a direct OEM replacement, it is manufactured to the exact specifications required by these machines, ensuring a correct fit every time. This part is sourced directly through Multiquip's authorized parts network and sold by DHS Equipment, giving you confidence in both authenticity and quality.
Key Features
- Genuine OEM Construction — Manufactured to the exact thread pitch, material grade, and torque specification required for hydrostatic ride-on trowel assemblies, so you get the holding strength the machine was built around.
- Direct-Fit Replacement — Engineered to install in the same position as the original, with matching dimensions that seat and torque correctly without rework or shimming.
- Broad HTH and STH Compatibility — Confirmed fitment across HTH-SERIES, HTH44T, and STH hydrostatic ride-on trowel models.
- Structural Integrity Where It Counts — A correctly functioning special nut maintains critical fastener preload in the trowel's drive and blade systems; a worn or stripped nut can introduce dangerous play into rotating components.
- Authorized OEM Supply Chain — Sold by DHS Equipment as an authorized Multiquip parts distributor, so you receive the exact replacement part — HU51494 — with full traceability back to the OEM.
A special nut is a fastener engineered to specific dimensional or material requirements that go beyond a standard hex nut — typically to meet elevated torque loads, resist loosening under vibration, or interface correctly with a mating component of non-standard geometry. On hydrostatic ride-on trowels, fasteners like the part are used in assemblies where consistent clamping force is critical to safe blade pitch control and drivetrain stability. When this type of fastener wears, stretches, or is replaced with an incorrect substitute, it can compromise the integrity of the assembly, leading to component movement, accelerated wear on surrounding parts, or unsafe operating conditions.
Part Details
| Part Number | HU51494 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Special Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Hydrostatic Ride-On Trowels | HTH-SERIES |
| Hydrostatic Ride-On Trowels | HTH44T |
| 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.
