The Wacker Neuson Valve Block is a genuine OEM component designed for the RD18-80, RD18-100, and RD18-100 C series tandem rollers, including US and SE variants. As a direct factory replacement, this valve block is built to the same specifications as the original part, ensuring correct hydraulic circuit behavior right out of the box. It is compatible across a wide range of RD18 series configurations, making it a dependable choice whether you are servicing a standard, US-spec, or SE-designated machine.
Key Features
- OEM-Grade Hydraulic Precision — Manufactured to factory tolerances for internal porting geometry, ensuring correct flow rates and pressure control critical to a valve block's performance in a compaction roller's hydraulic system.
- Drop-In Installation — Matches the original mounting configuration and port threading of the RD18 series, allowing direct replacement without machining or adaptation of hydraulic lines.
- Broad RD18 Series Coverage — Fits RD18-80, RD18-100, and RD18-100 C tandem rollers across standard, US-spec, and SE model variants, covering a wide range of serial configurations under a single part number.
- Consistent Compaction Force Output — A correctly functioning valve block maintains proper hydraulic pressure distribution to the drum drive and vibration circuits, directly supporting consistent compaction performance on every pass.
- Hydraulic System Integrity — Worn or damaged valve blocks can cause pressure loss, erratic drum behavior, or complete drive failure; replacing with a genuine OEM unit restores full system integrity and prevents secondary hydraulic damage.
A valve block is a manifold-style hydraulic component that routes and regulates pressurized fluid between multiple circuits within the machine's hydraulic system. In a tandem roller like the RD18 series, it controls the flow of hydraulic oil to functions such as drum drive, vibration, and steering, acting as a central distribution and control point. When a valve block fails or develops internal leaks, it can cause loss of drive power, inconsistent vibration output, or unpredictable machine behavior — making timely replacement essential to keeping the roller operating safely and effectively.
Part Details
| Part Number | 5100011908 |
|---|---|
| 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 |
| 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 |
| 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 |
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.
