The Wacker Neuson Fitting Nut is a genuine OEM component designed for the RD27-100 and RD27-120 hydrostatic vibratory tandem rollers. Sourced directly through Wacker Neuson's authorized parts network, this fitting nut meets the exact specifications of the original hardware installed at the factory. It is a direct match for both the RD27-100 and RD27-120 models, confirming a correct, secure connection without guesswork. Keeping this critical fastener in good condition ensures the integrity of the hydraulic or fluid fitting it secures — protecting your machine's performance on every compaction pass.
Key Features
- Genuine OEM Specification: — Manufactured to the exact thread form, material grade, and torque rating required for this fitting application — not a generic hardware substitute.
- Direct Drop-In Replacement: — Matches the original fitting nut position on the RD27-100 and RD27-120, threading directly onto the existing fitting without rework or adaptation.
- Confirmed Fitment: — Verified for the RD27-100 and RD27-120 hydrostatic vibratory tandem rollers, covering both machine configurations in that series.
- Secure Fluid System Integrity: — A properly torqued fitting nut maintains a leak-free connection; a worn, stripped, or incorrect nut risks fluid loss and pressure drop in the hydraulic circuit.
- Hydraulic System Safety: — Hydraulic fittings operate under high pressure on these rollers; using the correct OEM nut ensures the joint holds to rated pressure and prevents failure under load.
A fitting nut is the threaded fastener that locks a hydraulic or fluid line fitting securely into its port or mating connection, creating a pressure-tight seal within the system. On hydrostatic vibratory rollers like the RD27 series, these fittings are part of the hydraulic circuit that drives propulsion and drum vibration — two functions central to the machine's compaction performance. When a fitting nut is damaged, cross-threaded, or missing, the joint can weep or fail under pressure, leading to hydraulic fluid loss and potential loss of drive or vibration function.
Part Details
| Part Number | 5000162426 |
|---|---|
| Old Part Number | 0162426 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fitting Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 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.
