The Wacker Neuson Pressure Relief Valve is a genuine OEM component designed for the RD18-80, RD18-100, and RD18-100c series double drum rollers, including the updated.3 generation models. As a direct OEM part, it is manufactured to the exact specifications required by these machines, ensuring consistent hydraulic system behavior straight out of the box. This valve is confirmed to fit the RD18-80, RD18-100, RD18-100c, RD18-80.3, RD18-100.3, and RD18-100c.3 models, making it the correct choice for the full RD18 roller lineup.
Key Features
- Calibrated Relief Pressure Rating — Manufactured to OEM-specified cracking pressure tolerances, ensuring the hydraulic circuit opens and closes at exactly the right threshold for RD18-series roller operation.
- Direct Drop-In Replacement — Engineered to the same port thread specification and body dimensions as the original, so it installs into the existing hydraulic circuit without modification.
- Full RD18 Series Coverage — A single part number covers the RD18-80, RD18-100, RD18-100c, and all corresponding .3 generation variants, simplifying parts ordering across your fleet.
- Protects Hydraulic System Integrity — A correctly functioning pressure relief valve prevents over-pressurization that can damage pumps, motors, and hoses — keeping the hydraulic circuit within its safe operating range under load.
- Fuel System Safety Compliance — In hydraulic-driven compaction equipment, correct relief valve operation is a safety-critical function; using a genuine OEM valve ensures the system responds predictably to pressure spikes.
A pressure relief valve acts as a safety control within the hydraulic circuit, automatically diverting fluid flow when system pressure exceeds a set limit. This protects downstream components — including hydraulic motors, pumps, and seals — from damage caused by pressure spikes during heavy compaction work. When this valve wears, sticks, or fails to seat correctly, the machine may experience erratic drum behavior, excessive heat buildup in the hydraulic fluid, or risk of component failure under load.
Part Details
| Part Number | 5100068734 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pressure Relief Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD18-80 | RD18-80 | 5100055774 |
| RD18-100 | RD18-100 | 5100055775 |
| RD18-100c | RD18-100c | 5100055776 |
| RD18-80.3 | RD18-80.3 | 5100055946 |
| RD18 | RD18-100.3 | 5100055947 |
| RD18-100c.3 | RD18-100c.3 | 5100055948 |
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.
