The Wacker Neuson Valve Block is a genuine OEM Valve Block designed for the RD40-130 and RD45-140 series tandem rollers, including standard, C, O, DPF, and.3 variants. As a factory-sourced component, this part meets the exact specifications of the original, ensuring a direct, hassle-free installation into your machine's hydraulic system. Wacker Neuson's genuine OEM designation means every dimension, porting configuration, and pressure rating matches what left the factory floor. With broad coverage across the full RD40-130 and RD45-140 model family, part number is the correct choice for keeping your compaction equipment performing at its best.
Key Features
- Genuine OEM Hydraulic Integrity — Manufactured to exact porting geometry and pressure tolerances, ensuring correct hydraulic flow control without risk of bypass or seal mismatch.
- Direct Drop-In Installation — Matches the original valve block's port layout and mounting footprint, connecting directly to existing hydraulic lines without adaptation.
- Wide RD Series Fitment — Covers the full RD40-130 and RD45-140 model family including standard, C, O, DPF, and .3 configuration variants across multiple serial ranges.
- Consistent Compaction Performance — A correctly functioning valve block maintains precise hydraulic pressure distribution to the drum drive circuit; a failing unit causes erratic drum speed, loss of compaction force, or complete drive failure.
- Verified Part Number Traceability — Sourced directly through Wacker Neuson's OEM supply chain, so 5100012386 cross-references cleanly against your machine's parts manual without guesswork.
The valve block is a hydraulic control component that manages the routing and regulation of pressurized fluid within the roller's drive and vibration circuits. It directs flow to the correct actuators at the correct pressure, allowing the operator to control drum drive direction, speed, and vibratory output. When a valve block wears or fails internally — through scored spools, stuck check valves, or seal degradation — the machine may exhibit sluggish response, loss of drive in one or both drums, or an inability to engage vibration, all of which directly compromise compaction results and safe machine operation.
Part Details
| Part Number | 5100012386 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Block |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 Tandem Roller | RD40-130 | 5100011391, 5100047382 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392, 5100047383 |
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD40-130 O | RD40-130 O | 5100011395 |
| RD45-140 O Tandem Roller | RD45-140 O | 5100011396 |
| RD40-130c | RD40-130c | 5100047384 |
| RD45-140c | RD45-140c | 5100047385 |
| RD40-130o | RD40-130o | 5100047386 |
| RD45-140o | RD45-140o | 5100047387 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RD40-130 DPF | RD40-130 DPF | 5100055777 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RD40-130c DPF | RD40-130c DPF | 5100055779 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD40-130o DPF | RD40-130o DPF | 5100055781 |
| RD45-140o DPF | RD45-140o DPF | 5100055782 |
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.
