The Multiquip 25591 M8 Washer is a genuine OEM fastener component designed for Whiteman and Multiquip hydrostatic ride-on power trowels, including the HTX6H, STX6H, HTXG6DF, STXDF, and MD80 series. As a direct OEM replacement, this washer meets the exact material and dimensional specifications of the original hardware used during production. Keeping the correct washers in place throughout your trowel's drivetrain and frame assembly ensures that fastened connections maintain proper load distribution and clamping force. DHS Equipment stocks this Multiquip 25591 part to help you get your machine back to work without compromise.
Key Features
- Genuine OEM Specification: — Manufactured to the exact material hardness and dimensional tolerances required for M8 fastener assemblies on Multiquip hydrostatic trowels.
- Drop-In Hardware Replacement: — Sized to seat correctly against M8 bolt heads and mounting surfaces without any modification to existing hardware or structure.
- Broad Hydrostatic Trowel Fitment: — Confirmed fit for HTX6H, STX6H, HTXG6DF, STXDF, and MD80 ride-on power trowel models.
- Load Distribution Integrity: — Distributes clamping force evenly across fastened surfaces, helping prevent fastener pull-through, surface damage, and loosening under vibration.
- Vibration-Resistant Retention: — Maintains consistent bearing surface contact on machines subject to the continuous vibration and stress cycles typical of concrete finishing operations.
A washer serves as a critical load-spreading component in any bolted or screwed fastener assembly. By increasing the bearing surface area beneath a bolt head or nut, it prevents the fastener from pulling into or damaging the material being clamped, and helps maintain consistent clamping force over time. On ride-on power trowels — machines that operate under constant vibration and mechanical stress during concrete finishing — using the correct OEM-specified washer ensures that structural and drivetrain fasteners remain properly torqued and secure throughout the machine's working life. A missing or undersized washer can lead to fastener loosening, surface wear, or premature hardware failure.
Part Details
| Part Number | 25591 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | M8 Washer |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | HTX6H |
| Whiteman Ride-On Power Trowels | STX6H |
| Whiteman Ride-On Power Trowels | HTXG6DF |
| Whiteman Ride-On Power Trowels | STXDF |
| 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.
