The Wacker Neuson Directional Control Valve is a genuine OEM component designed for the RD40-130 and RD45-140 series tandem vibratory rollers. As a factory-sourced part, it meets the exact specifications of the original valve installed at the time of manufacture, ensuring proper hydraulic circuit operation without adaptation. This valve is confirmed to fit across multiple configurations within the RD40-130 and RD45-140 series, including standard, open-drum, and.3-generation variants.
Key Features
- OEM-Matched Flow and Pressure Ratings — Sourced directly from Wacker Neuson, this valve is built to the same internal spool tolerances and port specifications as the original, maintaining correct hydraulic flow control across all operating conditions.
- Direct-Mount Replacement — Engineered to connect to the existing hydraulic circuit ports on compatible RD-series rollers without reworking lines or fittings, streamlining installation in the field.
- Broad RD-Series Compatibility — Fits RD40-130 and RD45-140 series machines across standard, open-drum, and .3-generation configurations, covering a wide range of units within these model families.
- Maintains Precise Directional Switching — A fully functioning directional control valve keeps hydraulic flow accurately routed to drive and vibration circuits; a worn or sticking valve can cause sluggish travel response, erratic drum behavior, or complete loss of drive.
- Hydraulic System Integrity — Correct spool sealing within this valve prevents internal bypass and cross-port leakage, protecting downstream hydraulic components from pressure irregularities that can lead to premature wear.
A directional control valve manages the routing of pressurized hydraulic fluid to the drive and vibration systems of a compaction roller. By shifting an internal spool, it determines which hydraulic circuit receives flow and in what direction, giving the operator control over travel direction and drum engagement. When this valve wears, sticks, or develops internal leakage, the machine may lose responsive directional control, experience unintended movement, or fail to transfer power effectively to the drum or drive motors.
Part Details
| Part Number | 5100067841 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Directional Control 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.
