The Wacker Neuson Directional Control Valve is a genuine OEM component designed for the RD18-80, RD18-100, and RD18-100c series double drum rollers. As a factory-sourced part, it is manufactured to the exact specifications required by Wacker Neuson for these machines, ensuring a direct, hassle-free installation. This valve is compatible across multiple RD18 series variants, including the RD18-80.3, RD18-100.3, and RD18-100c.3 models. When your original valve wears or fails, replacing it with the correct OEM part restores full hydraulic directional control and keeps your roller performing as intended.
Key Features
- Genuine OEM Hydraulic Precision — Manufactured by Wacker Neuson to exact flow-rate and pressure tolerances required for smooth, responsive directional control on RD18 series rollers.
- Direct Bolt-In Replacement — Matches the original valve's port configuration and mounting interface, allowing straightforward installation without adapters or rework.
- Broad RD18 Series Coverage — Confirmed fitment across RD18-80, RD18-100, RD18-100c, RD18-80.3, RD18-100.3, and RD18-100c.3 models.
- Consistent Travel Direction Response — A correctly functioning directional control valve delivers precise, predictable forward and reverse response; a worn valve causes sluggish or erratic machine travel that affects compaction quality and operator safety.
- Hydraulic System Integrity — Using the correct OEM-spec valve maintains proper system pressure and prevents internal leakage that can damage downstream hydraulic components.
A directional control valve governs the flow of hydraulic fluid to the drive system, determining whether the machine moves forward, reverses, or holds position. On a double drum roller like the RD18 series, this valve is central to operator control — it translates input from the travel lever into precise hydraulic commands that move the machine across the compaction surface. When the valve begins to wear or fails internally, operators may notice delayed response, unintended drift, or a complete loss of drive in one direction, all of which compromise both productivity and safe operation.
Part Details
| Part Number | 5100068731 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Directional Control 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.