The Wacker Neuson Check 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 part meets the original engineering specifications for the hydraulic system in which it operates. It is a direct replacement for the factory-installed check valve across a broad range of RD27 configurations, including Pro, Basic, and T4F-compliant variants.
Key Features
- Genuine OEM Hydraulic Integrity — Manufactured to the exact flow and pressure tolerances required for the RD27 hydrostatic drive circuit, ensuring the valve seats and seals as designed.
- Direct Drop-In Replacement — Matches the original port dimensions and connection type, allowing straightforward installation without system modification.
- Broad RD27 Series Coverage — Compatible with a wide range of RD27-100 and RD27-120 roller variants, including Hydrostatic Vibratory Roller, Ride-On Roller, RD27 Pro Tandem Roller, and T4F emissions-compliant models.
- Protects Hydraulic System Pressure — A functioning check valve maintains one-way fluid flow and prevents backflow that can cause pressure loss, erratic drum drive behavior, or damage to downstream hydraulic components.
- Backed by Wacker Neuson OEM Standards — As a genuine part, 5100016594 carries the same material and manufacturing standards as the component originally installed on the production line.
A check valve in a hydrostatic roller's hydraulic circuit controls the direction of fluid flow, allowing oil to pass in one direction while blocking reverse flow. This keeps circuit pressure stable and protects pumps, motors, and control valves from damaging backpressure. When a check valve fails or begins to leak internally, operators typically notice sluggish or inconsistent drum drive response, pressure fluctuations, or difficulty maintaining compaction performance — all signs that the valve is no longer seating correctly and needs to be replaced.
Part Details
| Part Number | 5100016594 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Check 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.
