The Wacker Neuson Pressure Relief Valve is a genuine OEM component designed for the RD40-130 and RD45-140 tandem roller series. As a direct OEM replacement, this valve is manufactured to the same specifications as the original part, ensuring correct operation within the hydraulic system of your Wacker Neuson roller. Fitment covers the full range of RD40-130 and RD45-140 variants, including C and O configurations across multiple generation suffixes. Verify your model number before ordering to confirm compatibility with your specific machine.
Key Features
- Genuine OEM Pressure Rating — Sourced directly from Wacker Neuson, this valve is built to the exact pressure threshold required for safe hydraulic circuit operation in your roller.
- Direct-Swap Installation — Engineered to the original port dimensions and thread spec, this valve seats and seals the same way as the factory-installed unit.
- Broad RD Series Coverage — Fits RD40-130 and RD45-140 tandem rollers across standard, C, and O variants, as well as .3-generation models, covering a wide range of Wacker Neuson compaction equipment.
- Hydraulic System Protection — A correctly functioning pressure relief valve prevents dangerous overpressure conditions in the hydraulic circuit; a failed or stuck valve can cause erratic drum behavior or system damage.
- Verified Part Number — Order with confidence using Wacker Neuson part number 5100050690, cross-referenced against the full RD40-130 and RD45-140 model lineup.
A pressure relief valve acts as a safety gate within the hydraulic circuit, automatically diverting fluid flow when system pressure exceeds a set limit. This protects pumps, motors, and hoses from pressure spikes that can cause sudden component failure. When the valve wears, sticks open, or fails to seat correctly, the machine may lose compaction force, behave erratically, or sustain internal hydraulic damage that leads to more extensive repairs.
Part Details
| Part Number | 5100050690 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pressure Relief Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD40-130 | RD40-130 | 5100047382 |
| RD45-140 | RD45-140 | 5100047383 |
| RD40-130c | RD40-130c | 5100047384 |
| RD45-140c | RD45-140c | 5100047385 |
| 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.