The Wacker Neuson Valve is a genuine OEM valve designed for the RD27-100 and RD27-120 series hydrostatic vibratory and tandem ride-on rollers. Sourced directly from Wacker Neuson, this is the exact part used in original production, ensuring correct fitment across the full RD27 roller lineup — including RD27 Pro, RD27 Basic, and T4F variants. If your machine is showing hydraulic or operational irregularities tied to valve function, replacing with the correct OEM part restores the system to its intended specification. Confirm your serial number against the fitment list before ordering to ensure compatibility with your specific unit.
Key Features
- Genuine OEM Valve Specification — Manufactured to the exact flow and pressure tolerances required by the RD27 hydrostatic system, not approximated from a generic substitute.
- Direct Drop-In Replacement — Matches the original port configuration and mounting interface, seating correctly into the hydraulic circuit without reworking connections or fittings.
- Broad RD27 Series Coverage — Fits RD27-100 and RD27-120 configurations across Hydrostatic Vibratory Roller, Ride-On Roller, RD27 Pro Tandem Roller, and T4F variants.
- Restores Hydraulic Circuit Integrity — A worn or failed valve disrupts flow control within the hydrostatic drive system, causing erratic roller behavior or loss of compaction performance; replacing it returns the machine to full operational control.
- Hydraulic System Safety — Valves that fail under pressure can cause uncontrolled machine movement or hydraulic spikes; using the correct OEM-rated component maintains safe operating pressure thresholds throughout the drive circuit.
A valve in a hydrostatic roller controls the direction and volume of hydraulic fluid flowing through the drive circuit, directly governing how the machine moves, stops, and applies compaction force. When the valve wears, sticks, or fails, operators typically experience sluggish response, inconsistent drum speed, or an inability to hold position on grade. Replacing a faulty valve promptly prevents secondary damage to pumps, motors, and other hydraulic components downstream in the system.
Part Details
| Part Number | 5100016598 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5200005878, 5200014868, 5200023554, 5200023556, 5200005876, 5200021387 |
| Hydrostatic Vibratory Roller | RD27-120 | 5200005879, 5200014869, 5200014922, 5200014923, 5200023555, 5200023557, 5200024441, 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.
