The Wacker Neuson Valve is a genuine OEM component designed for the RD27-100 and RD27-120 series hydrostatic vibratory and tandem rollers. Sourced directly from Wacker Neuson, this valve carries the same part number and specification as the original, so you can install it with confidence across the full range of compatible RD27 models. Whether you're servicing a Ride-On Roller, an RD27 Pro Tandem Roller, or a Basic or Pro T4F variant, this is the correct OEM replacement. Keeping the hydraulic system operating with properly functioning valves is essential for consistent compaction performance on any paving or site prep job.
Key Features
- Genuine OEM Valve Construction — Manufactured to Wacker Neuson's exact hydraulic system tolerances, ensuring correct flow control and pressure regulation within the roller's hydrostatic circuit.
- Direct Drop-In Installation — Matches the original valve's port configuration and mounting interface, so it seats and connects the same way as the part it replaces.
- Broad RD27 Series Compatibility — Fits RD27-100 and RD27-120 models across multiple configurations, including Hydrostatic Vibratory Roller, Ride-On Roller, RD27 Pro Tandem Roller, RD27 Tandem Roller, and Basic and Pro T4F variants.
- Consistent Hydraulic Flow Control — A correctly functioning valve maintains stable hydraulic pressure across the drive and vibration circuits, delivering predictable compaction force and smooth machine response.
- Prevents System Pressure Loss — A worn or failing valve can cause erratic drive behavior, loss of vibration control, or hydraulic drift — replacing it promptly restores full system integrity.
A valve in a hydrostatic roller's hydraulic circuit controls the direction, pressure, and flow of hydraulic fluid to key machine functions such as drive travel and vibratory drum operation. When this valve is working correctly, the operator gets precise, responsive control over machine movement and compaction output. If the valve wears, sticks, or fails, the result is typically sluggish or uneven drive response, loss of vibration amplitude, or uncontrolled hydraulic movement — all of which compromise compaction quality and can accelerate wear on other hydraulic components.
Part Details
| Part Number | 5100016599 |
|---|---|
| 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.
