The Wacker Neuson Valve Block is a genuine OEM component designed for the RD18, RD24, RD27, and RD28 series tandem rollers. As a direct factory replacement, this part meets all original engineering specifications and installs directly in place of the failed or worn unit — no modification to the hydraulic circuit required. Fitment spans an extensive range of configurations including standard, C, O, DPF, US, and SE variants across the RD18-80, RD18-100, RD24-100, RD27-120, RD28-120, and related models. Sourcing the correct OEM valve block ensures the hydraulic system operates as engineered and protects the integrity of the compaction circuit.
Key Features
- OEM-Matched Internal Porting: — Manufactured to original Wacker Neuson specifications, ensuring correct flow rates and pressure thresholds for the roller's hydraulic circuit — not a generic valve body.
- Drop-In Hydraulic Replacement: — Mounts directly to the existing hydraulic circuit connections on compatible RD-series tandem rollers, aligning with factory port positions and thread specifications.
- Broad RD-Series Fitment: — Compatible with over 40 model configurations across the RD18, RD24, RD27, and RD28 tandem roller families, including standard, C, O, DPF, US, and SE variants.
- Maintains Compaction System Integrity: — A correctly functioning valve block keeps hydraulic flow precisely controlled across the drum drive circuit; a failed or leaking block causes erratic drum behavior, loss of compaction force, and potential hydraulic system damage.
- Hydraulic Safety Compliance: — Using a genuine OEM valve block ensures the hydraulic system operates within designed pressure limits, reducing the risk of uncontrolled pressure events in the drive circuit.
The valve block is a critical hydraulic control component that directs and regulates pressurized fluid flow to the drum drive motors on a tandem roller. It governs the direction, pressure, and volume of hydraulic fluid moving through the compaction circuit, giving the operator precise control over drum speed and drive behavior. When a valve block fails — through internal wear, seal degradation, or contamination damage — the result is typically loss of drive to one or both drums, hydraulic fluid leaks, or unpredictable machine movement that takes the roller out of service entirely.
Part Details
| Part Number | 5100012963 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Block |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD18-80 Tandem Roller | RD18-80 | 5100011382, 5100047360 |
| RD18-100 Tandem Roller | RD18-100 | 5100011383, 5100047361 |
| RD18-100 C Tandem Roller | RD18-100 C | 5100011384 |
| RD24-100 Tandem Roller | RD24-100 | 5100011385, 5100047374 |
| RD27-120 Tandem Roller | RD27-120 | 5100011386 |
| RD24-100 C Tandem Rollers | RD24-100 C | 5100011387 |
| RD27-120 C Tandem Roller | RD27-120 C | 5100011388 |
| RD24-100 O Tandem Roller | RD24-100 O | 5100011389 |
| RD27-120 O Tandem Roller | RD27-120 O | 5100011390 |
| RD24-100 Tandem Roller | RD24-100 US | 5100021755 |
| RD28-120 Tandem Roller | RD28-120 US | 5100021756 |
| RD24-100 C Tandem Roller | RD24-100C US | 5100021757 |
| RD28-120 C Tandem Roller | RD28-120C US | 5100021758 |
| RD24-100 O Tandem Roller | RD24-100O US | 5100021759 |
| RD28-120 O Tandem Roller | RD28-120O US | 5100021800 |
| RD18-80 Tandem Roller | RD18-80 US | 5100027572 |
| RD18-100 Tandem Roller | RD18-100 US | 5100027573 |
| RD18-100 C Tandem Roller | RD18-100 C US | 5100027574 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| Vibration Roller | RD18-80 SE | 5100044988 |
| Vibration Roller | RD18-100 SE | 5100044989 |
| RD 18-100 C | RD18-100c | 5100047362 |
| Vibration Roller | RD18-100c 3 | 5100047363 |
| RD24-100c.3 | RD24-100c.3 | 5100047370 |
| RD27-120c | RD27-120c.3 | 5100047371 |
| RD24-100o.3 | RD24-100o.3 | 5100047372 |
| RD27-120o | RD27-120o.3 | 5100047373 |
| RD28-120 | RD28-120 | 5100047375 |
| RD24-100c | RD24-100c | 5100047376 |
| RD28-120c | RD28-120c | 5100047377 |
| RD24-100o | RD24-100o | 5100047378 |
| RD28-120o | RD28-120o | 5100047379 |
| RD24-100 DPF | RD24-100 DPF | 5100047380 |
| RD28-120 DPF | RD28-120 DPF | 5100047390 |
| RD24-100c DPF | RD24-100c DPF | 5100047391 |
| RD28-120c DPF | RD28-120c DPF | 5100047392 |
| RD24-100o DPF | RD24-100o DPF | 5100047393 |
| RD28-120o DPF | RD28-120o DPF | 5100047394 |
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.
