The Wacker Neuson is a genuine OEM Relief Valve designed for the RD27-100 and RD27-120 series hydrostatic vibratory and tandem rollers. As a direct OEM part, it meets Wacker Neuson's original design specifications, ensuring the hydraulic system on your roller operates within its correct pressure range. This valve is verified to fit across the full RD27 lineup, including RD27 Pro and RD27 Basic T4F variants, making it the straightforward choice when your machine needs a pressure-relief component replaced.
Key Features
- OEM-Rated Pressure Tolerance — Manufactured to Wacker Neuson's original hydraulic pressure specification, so the valve opens and seats at the correct system threshold — not an approximation.
- Direct-Fit Replacement — Engineered to install in the same hydraulic circuit position as the original, with matching port dimensions and thread specification for a straightforward swap.
- Broad RD27 Series Coverage — Confirmed fitment across RD27-100 and RD27-120 models, including Hydrostatic Vibratory Roller, Ride-On Roller, RD27 Pro Tandem Roller, and RD27 Basic T4F configurations.
- Protects the Hydraulic Drive System — A correctly functioning relief valve prevents over-pressurization in the hydrostatic drive circuit, protecting pumps, motors, and hoses from pressure spike damage that leads to costly component failures.
- Hydraulic System Safety — Relief valves are a critical pressure-management component in hydrostatic systems; using a genuine OEM-spec part ensures the system vents at the engineered threshold, preventing unsafe pressure buildup during operation.
A relief valve is a pressure-regulating component built into the hydraulic circuit of a machine. Its job is to set an upper pressure limit — when hydraulic pressure exceeds the preset threshold, the valve opens to divert fluid and bring the system back within a safe operating range, then closes again once pressure normalizes. On hydrostatic vibratory rollers like the RD27 series, the relief valve protects the drive and vibration circuits from damaging pressure spikes caused by sudden load changes or blockages. When a relief valve fails — either by sticking open or by losing its set-point — the machine may lose drive power, overheat hydraulic fluid, or allow dangerous over-pressurization that damages pumps and seals throughout the system.
Part Details
| Part Number | 5100016593 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Relief Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5200005878, 5200014868, 5200023554, 5200023556, 5200005876, 5200021387 |
| Hydrostatic Vibratory Roller | RD27-120 | 5200005879, 5200014869, 5200014922, 5200014923, 5200023555, 5200023557, 5200024441, 5200005877, 5200021389 |
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.
