The Wacker Neuson Directional Control Valve is a genuine OEM component designed for the RD18, RD24, RD27, RD28, RD40, and RD45 series tandem and vibration rollers. As a direct OEM replacement, this valve meets the exact engineering specifications set by Wacker Neuson, ensuring proper hydraulic circuit response and consistent machine operation. Part number covers an extensive range of configurations across these roller families, including standard, C, O, DPF, and.3 variants. Verify your model number against the fitment list before ordering to confirm compatibility.
Key Features
- Genuine OEM Hydraulic Precision — Built to Wacker Neuson's exact flow-path and pressure-rating specifications, so the valve routes hydraulic fluid with the same response characteristics as the original.
- Direct Drop-In Replacement — Matches the original port configuration and mounting interface, allowing straightforward removal of the worn valve and installation of 5100050682 without adapting fittings or brackets.
- Broad Roller Compatibility — Fits RD18, RD24, RD27, RD28, RD40, and RD45 series tandem and vibration rollers across standard, combination (C), offset (O), DPF, and .3 build variants.
- Restores Full Directional Control — A worn or failed directional control valve causes sluggish, erratic, or non-responsive travel direction changes; replacing it with 5100050682 returns precise, predictable roller movement on every pass.
- Operational Safety Assurance — Directional control is a safety-critical hydraulic function on compaction equipment; using a genuine OEM valve ensures the roller responds correctly to operator inputs and reduces the risk of unintended movement on grade.
A directional control valve governs which way hydraulic fluid flows through the drive circuit, telling the roller whether to travel forward or reverse and at what rate. When the operator moves the travel lever, the valve shifts internal spools to redirect pressurized fluid to the appropriate drive motor port. If the valve leaks internally, sticks, or fails to shift completely, the machine may creep unintentionally, respond slowly to direction changes, or lose drive altogether — all of which compromise both productivity and safety on the compaction site.
Part Details
| Part Number | 5100050682 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Directional Control Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| Vibration Roller | RD18-80 SE | 5100044988 |
| Vibration Roller | RD18-100 SE | 5100044989 |
| RD18-80 | RD18-80 | 5100047360 |
| RD18-100 | RD18-100 | 5100047361 |
| RD 18-100 C | RD18-100c | 5100047362 |
| Vibration Roller | RD18-100c 3 | 5100047363 |
| 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 |
| RD40-130 | RD40-130 | 5100047382 |
| RD45-140 | RD45-140 | 5100047383 |
| RD40-130c | RD40-130c | 5100047384 |
| RD45-140c | RD45-140c | 5100047385 |
| RD40-130o | RD40-130o | 5100047386 |
| RD45-140o | RD45-140o | 5100047387 |
| 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.