The Wacker Neuson Directional Valve is a genuine OEM directional valve designed for the RD24-100, RD27-120, RD28-120, RD40-130, and RD45-140 tandem roller series, including standard, canopy, open ROPS, and DPF-equipped variants. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component your machine was built with. It covers an extensive range of RD series tandem rollers across multiple production generations, making it a reliable go-to replacement when servicing this equipment. Confirm your model number before ordering to ensure this is the correct valve for your specific machine configuration.
Key Features
- Genuine OEM Flow Routing Accuracy — Manufactured to Wacker Neuson's original hydraulic circuit specifications, ensuring the valve routes and controls fluid flow exactly as the system was engineered to operate.
- Direct Drop-In Replacement — Matches the original valve's porting layout and mounting configuration, allowing installation without reworking hydraulic lines or fittings.
- Broad RD Series Coverage — Compatible with RD24-100, RD27-120, RD28-120, RD40-130, and RD45-140 tandem rollers across standard, canopy, open ROPS, and DPF configurations, spanning multiple production generations.
- Hydraulic System Integrity — A correctly functioning directional valve maintains precise control of compaction force and drum drive direction; a worn or failed valve can cause erratic drum response, loss of propulsion control, or hydraulic pressure loss.
- Operational Safety — Directional control of a self-propelled roller is a critical hydraulic function; using a genuine OEM valve ensures the machine responds predictably when operators change travel direction on compaction passes.
A directional valve controls the flow path of hydraulic fluid within the machine's drive circuit, determining which direction pressurized fluid is sent to the hydraulic motors that propel and operate the drums. On a tandem roller like the RD series, it is the component that translates the operator's directional input into actual machine movement — forward, reverse, or stopped. When a directional valve wears out or fails internally, the result is typically sluggish or unresponsive travel, unintended drift, or a complete loss of drive function, all of which bring compaction work to a halt.
Part Details
| Part Number | 5100012115 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Directional Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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 |
| RD40-130 Tandem Roller | RD40-130 | 5100011391 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392 |
| 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 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| 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 |
| 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 |
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.
