The Wacker Neuson is a genuine OEM Quick Disconnect Coupling designed for the RD27-100 and RD27-120 hydrostatic vibratory rollers, including standard and Traction Control configurations. As a factory-sourced component, it is manufactured to the same specifications as the original part and installs directly into the hydraulic circuit without modification. This coupling is compatible across multiple serial number ranges of the RD27 series, making it the correct choice for operators maintaining rollers in either 100 cm or 120 cm drum-width configurations.
Key Features
- OEM Hydraulic Integrity: — Manufactured to exact flow and pressure ratings for the RD27 hydrostatic drive system, ensuring no internal leakage at the connection point.
- Direct-Connect Installation: — Engineered to mate with the existing hydraulic line fittings on the RD27 platform — no adapters or thread modifications needed.
- Broad RD27 Series Coverage: — Fits RD27-100 and RD27-120 models in both standard and Traction Control variants across multiple production serial ranges.
- Maintains Hydraulic System Performance: — A failed or leaking quick disconnect coupling starves the hydrostatic drive of pressure, causing erratic roller speed and loss of compaction force. A correctly seated coupling keeps drive response consistent and smooth.
- Fuel and Fluid Safety: — A properly functioning quick disconnect prevents uncontrolled hydraulic fluid release during line separation, reducing spill risk and protecting the operator and surrounding surfaces.
A quick disconnect coupling is a push-to-connect hydraulic fitting that allows pressurized fluid lines to be joined or separated rapidly without tools and without significant fluid loss. On the RD27 hydrostatic vibratory roller, this coupling forms a critical link in the hydraulic circuit that drives roller travel and compaction functions. When the coupling wears, cracks, or fails to seat properly, it can cause pressure drop, fluid leakage, or complete loss of drive — forcing the machine out of service until the fitting is replaced.
Part Details
| Part Number | 5000174205 |
|---|---|
| Old Part Number | 0174205 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Quick Disconnect Coupling |
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