The Wacker Neuson Self-Locking Nuts M6-8 DIN985 are genuine OEM fasteners designed for the MT-L II axle assembly and WL50 Articulated Wheel Loader. As certified OEM components, these nuts are manufactured to the DIN985 standard, ensuring the nylon-insert locking mechanism meets the exact torque retention and vibration resistance specifications required by Wacker Neuson engineering. Fitment covers the WL50 Cab-equipped wheel loader as well as MT-L II axle applications, making the correct reference for both platforms. When you need fasteners that hold position under sustained load and vibration, sourcing the OEM-specified part is the most direct path to a secure, lasting repair.
Key Features
- DIN985-Compliant Locking Mechanism — Nylon-insert construction meets the DIN985 standard, providing measured vibration resistance and torque retention critical for drivetrain and axle fastening applications.
- Genuine OEM Hardware — Sourced directly from Wacker Neuson, these nuts carry the same specification as the fasteners installed at the factory, so thread engagement and clamp load are exactly as designed.
- Direct Drop-In Replacement — M6-8 thread specification matches the existing hardware on MT-L II axle assemblies and WL50 wheel loader structural points, allowing straightforward installation without thread rework.
- Broad Platform Fitment — Confirmed fit across the MT-L II axle assembly and the WL50 Articulated Wheel Loader (Cab configuration), covering multiple machine lines with a single part number.
- Structural Integrity Under Load — Self-locking nuts that have worn or lost their nylon insert can back off under vibration, leading to loose joints and potential structural failure; replacing with fresh OEM nuts restores the designed clamping force.
- Safety-Critical Fastener — On axle and wheel loader structural connections, fastener security directly affects machine stability and operator safety; using the specified DIN985 part ensures the joint performs as engineered.
Self-locking nuts of the DIN985 type use an integrated nylon collar at the top of the nut to resist loosening caused by vibration and dynamic loading. Once threaded onto a bolt, the nylon insert deforms around the thread pitch, creating friction that prevents the nut from backing off during machine operation. On equipment like wheel loaders and axle assemblies — where drivetrain components experience constant vibration and shifting load — this locking function is essential to maintaining joint integrity. When the nylon insert is damaged, compressed from reuse, or missing, the nut loses its self-locking property and the joint can work loose, potentially causing component misalignment or structural separation during operation.
Part Details
| Part Number | 1000085588 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Self-Locking Nuts M6-8 DIN985 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| axles MT-L II | axles | 1000309798 |
| WL50 Articulated Wheel Loader, Cab | WL50 | 5000620592 |
| SPARE PARTS LIST 418-02 / TH627 | TH627 (418-02) | 1000362623 |
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.
