The Wacker Neuson Pressure Relief Valve is a genuine OEM component designed for RD40-130 and RD45-140 series double drum rollers. Sourced directly from Wacker Neuson, this is the same valve specified for the original build — ensuring correct pressure settings and a direct drop-in installation. Compatible across multiple RD40-130 and RD45-140 variants, including open-ROPS and Stage 3 configurations, so you can order with confidence regardless of your specific machine spec.
Key Features
- OEM-Calibrated Pressure Rating — Manufactured to the exact relief pressure specification required by the hydraulic system, preventing under- or over-pressure conditions that can damage downstream components.
- Direct Drop-In Installation — Matches the original port threading and body dimensions, so the valve seats and seals correctly without rework or adapters.
- Broad RD Series Fitment — Covers RD40-130 and RD45-140 variants including open-ROPS and Stage 3 emissions configurations across multiple machine numbers.
- Hydraulic System Protection — A correctly functioning pressure relief valve safeguards pumps, motors, and cylinders from pressure spikes; a failed valve can lead to erratic roller performance or costly hydraulic damage.
- Genuine Wacker Neuson Part — Carries full OEM traceability, meaning the valve material grade, seat geometry, and cracking pressure are all verified to the original engineering standard.
A pressure relief valve is a critical safety and control component within a machine's hydraulic circuit. Its job is to cap system pressure at a set threshold — when pressure builds beyond that point, the valve opens to divert fluid back to the reservoir, protecting pumps, motors, and hoses from overload. On a double drum roller like the RD40-130 or RD45-140, where hydraulic power drives both propulsion and vibration, a worn or stuck relief valve can cause sluggish travel, inconsistent drum vibration, or sudden loss of drive — any of which will pull the machine off the job until the fault is resolved.
Part Details
| Part Number | 5100067849 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pressure Relief Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 | RD40-130 | 5100047382 |
| RD45-140 | RD45-140 | 5100047383 |
| RD40-130o | RD40-130o | 5100047386 |
| RD45-140o | RD45-140o | 5100047387 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
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.
