The Multiquip 43725 Jam Nut M12-1.75 is a genuine OEM fastener designed for STXDF series ride-on power trowels. Sourced directly from Multiquip, this part carries the same specifications as the original hardware installed at the factory, so you can be confident it threads correctly and torques down the way it should. The 43725 is the exact part number called out for STXDF equipment, making verification straightforward before you order.
Key Features
- Genuine OEM Thread Specification — M12-1.75 thread pitch matches the original fastener exactly, eliminating any risk of cross-threading or improper seating on the mating stud or shaft.
- Direct Hardware Replacement — Installs as a straight swap on STXDF ride-on trowel assemblies with no rework to the surrounding components.
- Confirmed STXDF Fitment — Verified for Whiteman STXDF super-sized dual-fuel hydrostatic ride-on trowels.
- Locking Retention Under Vibration — A jam nut's low-profile design resists loosening in high-vibration trowel applications, keeping the primary fastening point secure through extended finishing runs.
- Genuine Multiquip Quality — Manufactured to Multiquip OEM standards, ensuring correct material hardness and dimensional tolerancing for this fastener application.
A jam nut is a thin secondary nut threaded against a primary nut or component to lock it in position and prevent it from backing off under load or vibration. On a ride-on power trowel like the STXDF, rotating blade assemblies and drivetrain components generate continuous vibration that can work standard fasteners loose over time. The jam nut provides the counter-pressure needed to keep critical adjustment points set and secure. When a jam nut wears, strips, or goes missing, the primary fastener it locks can shift, leading to misalignment or component damage during operation.
Part Details
| Part Number | 43725 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Jam Nut M12-1.75 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | STXDF |
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.