The Wacker Neuson Valve Block is a genuine OEM component designed for the RD18-80, RD18-100, and RC50 series compactors, including tandem rollers and single drum soil compactors across standard, US, SE, DPF CAB, and DPF ROPS configurations. As a direct Wacker Neuson OEM part, the is manufactured to the same specifications as the original, ensuring a correct installation without guesswork. This valve block fits an extensive range of Wacker Neuson roller and compactor models, covering multiple production series of the RD18 and RC50 families. When your hydraulic system needs a proven replacement, this genuine part delivers the dependability that compaction equipment demands on the job.
Key Features
- OEM-Calibrated Flow Control: — Built to Wacker Neuson's original hydraulic specifications, ensuring correct pressure regulation and fluid routing that aftermarket alternatives may not replicate.
- Drop-In Hydraulic Fitment: — Matches the original port sizing and mounting configuration of the 5100012426, connecting directly into the existing hydraulic circuit without adaptation.
- Broad Model Coverage: — Fits RD18-80, RD18-100, RD18-100 C, RC50, and RC50p series machines, spanning standard, US market, SE, DPF CAB, and DPF ROPS variants across multiple production generations.
- Sustained Compaction Performance: — A correctly functioning valve block maintains consistent hydraulic pressure delivery to the drum drive system; a worn or failed unit can cause erratic drum speed, loss of compaction force, or complete drive failure.
- Hydraulic System Integrity: — Proper valve block function is critical to maintaining controlled hydraulic flow; using a correctly rated OEM replacement helps prevent pressure imbalances that can stress downstream components.
A valve block is a precision hydraulic manifold that directs and regulates fluid flow between multiple circuits within the machine's hydraulic system. On compaction equipment like the RD18 and RC50 series, it manages the flow of hydraulic oil to drive functions such as drum propulsion and vibration, allowing the operator to maintain controlled, consistent output. When a valve block fails or develops internal leakage, the machine may exhibit sluggish response, uneven drum movement, or a complete loss of drive — all of which compromise compaction quality and can lead to broader hydraulic system damage if left unaddressed.
Part Details
| Part Number | 5100012426 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Block |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD18-80 Tandem Roller | RD18-80 | 5100011382, 5100047360, 5100055774 |
| RD18-100 Tandem Roller | RD18-100 | 5100011383, 5100047361, 5100055775 |
| RD18-100 C Tandem Roller | RD18-100 C | 5100011384 |
| Single drum soil compactor RC50 | RC50 | 5100021295, 5100047388 |
| Single drum soil compactor RC50P | RC50P | 5100021296 |
| 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 |
| RC50 Single Drum Soil Compactor | RC50 US | 5100027575, 5100047413 |
| RC50p Single Drum Soil Compactor | RC50p US | 5100027576, 5100047414 |
| Vibration Roller | RD18-80 SE | 5100044988 |
| Vibration Roller | RD18-100 SE | 5100044989 |
| RD 18-100 C | RD18-100c | 5100047362, 5100055776 |
| Vibration Roller | RD18-100c 3 | 5100047363 |
| RC50p | RC50p | 5100047389 |
| RD18-80.3 | RD18-80.3 | 5100055946 |
| RD18 | RD18-100.3 | 5100055947 |
| RD18-100c.3 | RD18-100c.3 | 5100055948 |
| RC50 | RC50 DPF CAB | 5100064255 |
| RC50 | RC50 DPF ROPS | 5100064256 |
| RC50p | RC50p DPF CAB | 5100064257 |
| RC50p | RC50p DPF ROPS | 5100064258 |
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.
