The Wacker Neuson Lock Washer 8 is a genuine OEM component designed for RD25 Hydrostatic Double Drum Vibratory Rollers. As a direct OEM replacement, it is manufactured to the same specifications as the original part that left the factory, ensuring a proper fit within the fastener assembly. This part covers RD25 series machines and is the correct choice when restoring a compaction roller to full working order. Keep part number on hand as a service spare to stay ahead of routine maintenance needs.
Key Features
- Genuine OEM Locking Integrity — Manufactured by Wacker Neuson to deliver the same clamping and anti-loosening performance as the original hardware, with no compromise on material grade or dimensional tolerance.
- Drop-In Hardware Replacement — Sized and profiled to seat correctly in the existing fastener stack, so installation follows the standard torque procedure without rework or shimming.
- RD25 Series Fitment — Verified for RD25 Hydrostatic Double Drum Vibratory Rollers, covering multiple build variants within that model family.
- Maintains Fastener Clamp Load — A correctly functioning lock washer prevents fastener backing-off under vibration — critical on a compaction roller where machine vibration is continuous and high-frequency during operation.
- Cost-Effective Preventive Part — At a low unit cost, replacing a worn or deformed lock washer during any scheduled service interval protects far more expensive surrounding components from the consequences of a loose fastener.
A lock washer is a hardened fastening component placed beneath a nut or bolt head to resist loosening caused by vibration, torque, or dynamic loading. On a vibratory compaction roller like the RD25, virtually every assembly is subject to intense continuous vibration during operation, making the locking function of this washer essential to structural integrity across the machine. When a lock washer deforms, flattens, or fractures, the fastener it secures can back off over time, leading to component misalignment, accelerated wear on adjoining parts, or fastener loss — issues that are far more disruptive than a simple washer replacement.
Part Details
| Part Number | 5000201404 |
|---|---|
| Old Part Number | 0201404 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Washer 8 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Double Drum Vibrat ory Roller | RD25 | 5000008058, 5000009317 |
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.
