The Wacker Neuson Jam Nut is a genuine OEM fastener designed for the RD27-100 and RD27-120 hydrostatic vibratory tandem rollers. As a direct OEM part, it is manufactured to the exact dimensions and thread specifications required for correct installation on these machines. This nut is confirmed to fit multiple build variants across the RD27-100 and RD27-120 series, making it the straightforward choice when servicing or restoring these rollers.
Key Features
- Exact Thread and Dimensional Spec: — Manufactured as a genuine OEM component, this jam nut meets the precise thread pitch and dimensional tolerances required for proper locking action on the RD27 platform.
- Direct OEM Replacement: — Sourced directly from Wacker Neuson, this part installs in place of the original without any modification to the surrounding hardware or fastener stack.
- Confirmed RD27 Series Fitment: — Verified compatible with RD27-100 and RD27-120 hydrostatic vibratory rollers across multiple production builds.
- Locking Integrity Restored: — A correctly installed jam nut prevents loosening of the primary fastener under the vibration loads typical of compaction operations — a worn or missing jam nut can allow critical assemblies to back off during use.
- Genuine Wacker Neuson OEM Part: — Part number 5000162220 is an authentic Wacker Neuson component, ensuring you receive the correct part for the application without substitution risk.
A jam nut is a thin locking nut threaded onto the same stud or bolt as a primary nut, then tightened against it to create a friction lock that resists loosening. On vibratory compaction equipment like the RD27 tandem roller, constant vibration places significant stress on fastened joints, making jam nuts essential for maintaining the integrity of critical connections. When a jam nut is missing, damaged, or worn, the primary fastener can gradually back off during operation, leading to component misalignment, accelerated wear, or mechanical failure at that joint.
Part Details
| Part Number | 5000162220 |
|---|---|
| Old Part Number | 0162220 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Jam Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620007, 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 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.
