The Wacker Neuson is a genuine OEM Lock Nut M4 X 0.7 designed for the RD27-100 and RD27-120 Hydrostatic Vibratory Roller series, including standard and Traction Control configurations. As a genuine OEM component, it is manufactured to the exact specification of the original hardware used on these machines. This part is confirmed to fit multiple RD27-series roller variants, making it a straightforward stock item for dealers and service teams supporting this equipment family.
Key Features
- Correct Thread Specification: — M4 X 0.7 thread pitch matches the original fastener specification exactly, ensuring proper torque retention without stripping or cross-threading.
- Genuine OEM Construction: — Sourced directly from Wacker Neuson, this lock nut meets the same material hardness and locking resistance requirements as the part it replaces.
- Broad RD27-Series Coverage: — Fits RD27-100 and RD27-120 Hydrostatic Vibratory Rollers across standard and Traction Control variants, covering a wide range of machine configurations in a single part number.
- Locking Integrity Under Vibration: — Vibratory rollers generate continuous cyclic loads; a correctly rated lock nut resists loosening under these conditions, maintaining secure fastening throughout operation.
- Direct OEM Replacement: — Drop-in replacement for worn or missing hardware, reinstalling with standard M4 tooling and no additional modification to the fastener location.
A lock nut is a fastener designed to resist loosening when subjected to vibration and dynamic loading. Unlike a standard nut, it incorporates a locking mechanism — typically a nylon insert or a deformed thread profile — that grips the mating bolt and prevents rotation. On a vibratory roller like the RD27-100 and RD27-120, components are exposed to constant vibration during compaction passes, which can cause conventional fasteners to back out over time. A failed or missing lock nut at a critical joint can result in loosened assemblies, accelerated wear on adjacent components, or operational instability. Replacing worn or damaged lock nuts with the correct OEM part maintains the structural integrity of the fastener joint and keeps the machine running as designed.
Part Details
| Part Number | 5000162005 |
|---|---|
| Old Part Number | 0162005 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut M4 X 0.7 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620393, 5000620508, 5000620510, 5000620512, 5000620395, 5200009322, 5000620007, 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 5000620394, 5000620509, 5000620511, 5000620513, 5000620396, 5200009323, 5000009469, 5000620038 |
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.
