The Wacker Neuson Directional Control Valve is a genuine OEM directional control valve designed for the RD 24-100, RD 27-120, RD 28-120, RD 40-130, and RD 45-140 series double drum rollers. Sourced directly from Wacker Neuson, this part meets the exact design and performance specifications of the original component installed at the factory. Fitment spans a wide range of RD series configurations including standard, combination (c), offset drum (o), and DPF-equipped variants, making this a versatile replacement for a broad segment of the Wacker Neuson roller lineup. When your machine's travel or vibratory hydraulic circuit starts showing signs of sluggish response or erratic direction control, the is the correct OEM solution to restore full hydraulic function.
Key Features
- OEM Hydraulic Spool Integrity — Manufactured to Wacker Neuson's original spool clearance and flow-path specifications, ensuring precise hydraulic fluid metering and directional switching performance.
- Direct Drop-In Installation — Matches the original valve's port configuration and mounting interface, allowing straightforward replacement into the existing hydraulic circuit without line rerouting or adapter fittings.
- Broad RD Series Coverage — Compatible with RD 24-100, RD 27-120, RD 28-120, RD 40-130, and RD 45-140 variants, including standard, combination, offset drum, and DPF-equipped models across multiple production series.
- Restores Accurate Travel and Drive Response — A correctly functioning directional control valve gives the operator precise, responsive control over drum drive direction; a worn or faulty valve causes hesitation, drift, or complete loss of directional authority.
- Hydraulic System Integrity — As an OEM-spec valve, internal sealing surfaces and pressure ratings are matched to the RD series hydraulic system, preventing bypass leakage that can overheat fluid and accelerate wear across the entire circuit.
A directional control valve manages the flow of hydraulic fluid to the drive motors on a double drum roller, determining the direction and enabling the operator to move the machine forward, reverse, or stop. By shifting internal spool positions — either mechanically or via pilot signal — it routes pressurized fluid to the correct motor port while returning spent fluid to the reservoir. When this valve wears, sticks, or develops internal leakage, the result is sluggish or unpredictable machine movement, difficulty holding a straight pass, or a complete inability to drive in one direction — all of which compromise productivity and can place the operator and surrounding crew at risk on a compaction site.
Part Details
| Part Number | 5100066873 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Directional Control Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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 |
| RD24-100 | RD24-100 | 5100047374 |
| 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 |
| 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.
