The Wacker Neuson is a genuine OEM Lock Nut 9/16-18 designed for RD27-100 and RD27-120 series hydrostatic vibratory rollers. Sourced directly from Wacker Neuson, this fastener meets the exact specifications of the original hardware installed at the factory. Part number is confirmed compatible across multiple RD27 configurations, including standard and traction control variants. Whether you are performing scheduled maintenance or a targeted repair, this lock nut is the correct replacement to restore your machine to proper working condition.
Key Features
- Genuine OEM Fastener Grade: — Manufactured to the same thread specification and locking torque retention as the original hardware, ensuring the joint holds under sustained vibration loads typical of roller operation.
- 9/16-18 Thread Specification: — Fine-thread profile seats and torques exactly as the original, with no chasing or rework required on mating fastener points.
- Broad RD27 Series Coverage: — Fits RD27-100 and RD27-120 hydrostatic vibratory rollers across standard and traction control configurations, covering a wide range of machine numbers within the RD27 family.
- Vibration-Resistant Locking Design: — The locking feature prevents loosening caused by the continuous vibration generated during compaction cycles, protecting critical joints from backing out in service.
- Direct OEM Replacement: — Carries the Wacker Neuson part number 5000174307 for straightforward parts verification and reordering through authorized channels.
A lock nut is a fastener engineered to resist loosening under vibration and dynamic loads — conditions that are constant during asphalt and soil compaction work on a tandem roller. Unlike a standard nut, the locking feature creates friction or mechanical interference that keeps the joint secure through repeated compaction passes. When a lock nut backs off or fails, it can allow critical components to shift, creating alignment issues, accelerated wear on adjoining parts, or unsafe operating conditions. Replacing a worn or missing lock nut with the correct OEM specification part restores joint integrity and keeps the machine performing as designed.
Part Details
| Part Number | 5000174307 |
|---|---|
| Old Part Number | 0174307 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut 9/16-18 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620393, 5000620508, 5000620510, 5000620512, 5000620395, 5200009322 |
| Hydrostatic Vibratory Roller | RD27-120 | 5000620394, 5000620509, 5000620511, 5000620513, 5000620396, 5200009323 |
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.
Wacker Neuson
Wacker Neuson 5002009120 Nut Lock 5/16-18 Hex Serrated Flange
