The Wacker Neuson 5100025287 is a genuine OEM Directional Valve designed for the RD27-100 and RD27-120 series tandem rollers. As a direct factory replacement, this valve restores precise hydraulic flow control to the hydrostatic drive system, ensuring the roller responds accurately to operator inputs on asphalt and soil compaction passes. Wacker Neuson genuine OEM parts are manufactured to the same specifications as the original components installed at the factory, making the 5100025287 the correct choice for maintaining consistent machine performance across both the RD27-100 and RD27-120 roller configurations.
Key Features
- OEM-Matched Hydraulic Tolerances — Manufactured to exact spool and port specifications, ensuring proper flow rate and pressure response within the hydrostatic circuit.
- Direct Bolt-In Replacement — Matches the original valve's port configuration and mounting pattern, allowing installation without hydraulic line rerouting or manifold modification.
- Broad RD27 Series Coverage — Compatible with multiple RD27-100 and RD27-120 configurations, including Basic, Pro, and Tier 4 Final variants across both Hydrostatic Vibratory and Pro Tandem Roller machine types.
- Restores Precise Drive Direction Control — A correctly functioning directional valve delivers smooth, consistent forward and reverse travel; a worn or stuck valve causes erratic movement, loss of traction response, or complete drive failure.
- Hydraulic System Integrity — Using the correct OEM valve prevents internal leakage paths that can lead to hydraulic fluid loss, pressure drop, and downstream component wear in the hydrostatic circuit.
A directional valve controls which path hydraulic fluid takes through the system, determining the direction of flow to the hydrostatic drive motors. In a tandem roller like the RD27 series, this valve is what translates the operator's travel commands into actual forward or reverse drum movement. When the directional valve wears, sticks, or fails, the machine may lose responsive travel control, move unpredictably, or become inoperable — all of which interrupt compaction work and place stress on connected hydraulic components.
Part Details
| Part Number | 5100025287 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Directional Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5200014868, 5200005878, 5200023554, 5200023556, 5200021387, 5200005876 |
| Hydrostatic Vibratory Roller | RD27-120 | 5200005879, 5200014922, 5200014923, 5200014869, 5200024441, 5200023557, 5200023555, 5200005877, 5200021389 |
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.
