The Wacker Neuson 5100012196 is a genuine OEM Directional Valve designed for the RD-series tandem rollers, covering a broad range of walk-behind and ride-on articulated models including the RD18, RD24, RD27, RD28, RD40, and RD45 families. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component it replaces. Fitment spans standard, combination, and open-drum configurations across both domestic US and international variants of these tandem roller series. Confirm your machine number against the fitment list before ordering to ensure an accurate match.
Key Features
- Genuine OEM Hydraulic Spec: — Manufactured to the precise flow-path and pressure ratings required by Wacker Neuson RD-series hydraulic circuits — not a generic valve adapted from another platform.
- Drop-In Port Compatibility: — Matches the original valve's port sizing, thread spec, and mounting footprint so installation connects directly to existing hydraulic lines without modification.
- Broad RD-Series Coverage: — A single part number serves the RD18, RD24, RD27, RD28, RD40, and RD45 tandem roller families across standard, combination drum, and open-drum variants.
- Preserves Propulsion and Vibration Control: — A properly functioning directional valve keeps drum drive direction and vibration system response accurate; a worn or stuck valve causes sluggish steering response, loss of reverse drive, or vibration circuit faults.
- Hydraulic System Integrity: — Using the correct OEM valve prevents internal leakage and pressure bypass that can accelerate wear on downstream hydraulic components such as drive motors and pumps.
A directional valve controls the routing of pressurized hydraulic fluid through the machine's hydraulic circuit, determining which actuators or motors receive flow and in what direction. On a tandem roller like the RD-series, this governs critical functions including forward and reverse drum drive and, depending on circuit layout, vibration system engagement. When the directional valve begins to fail — through internal seal wear, spool sticking, or pressure bleed-off — the operator may notice delayed or inconsistent machine response, loss of drive in one direction, or erratic vibration behavior, all of which directly affect compaction quality and site safety.
Part Details
| Part Number | 5100012196 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Directional Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD18-80 | RD18-80 | 5100047360, 5100055774, 5100011382 |
| RD24-100 | RD24-100 | 5100047374, 5100011385 |
| Vibration Roller | RD18-100 SE | 5100044989 |
| RD24-100 Tandem Roller | RD24-100 US | 5100021755 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD28-120o | RD28-120o | 5100047379 |
| RD40-130.3 | RD40-130.3 | 5100047395 |
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| RD18-100 Tandem Roller | RD18-100 US | 5100027573 |
| RD24-100o | RD24-100o | 5100047378 |
| RD45-140o.3 | RD45-140o.3 | 5100047400 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD18-80 Tandem Roller | RD18-80 US | 5100027572 |
| Vibration Roller | RD18-100c 3 | 5100047363 |
| RD24-100c | RD24-100c | 5100047376 |
| RD27-120 O Tandem Roller | RD27-120 O | 5100011390 |
| RD27-120 C Tandem Roller | RD27-120 C | 5100011388 |
| RD45-140 O Tandem Roller | RD45-140 O | 5100011396 |
| RD27-120c | RD27-120c.3 | 5100047371 |
| RD24-100o.3 | RD24-100o.3 | 5100047372 |
| RD28-120 | RD28-120 | 5100047375 |
| RD28-120 Tandem Roller | RD28-120 US | 5100021756 |
| RD45-140.3 | RD45-140.3 | 5100047396 |
| RD28-120c | RD28-120c | 5100047377 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| RD18-100c | RD18-100c | 5100055776, 5100047362 |
| RD24-100 O Tandem Roller | RD24-100 O | 5100011389 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD24-100 O Tandem Roller | RD24-100O US | 5100021759 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD18-80.3 | RD18-80.3 | 5100055946 |
| Vibration Roller | RD18-80 SE | 5100044988 |
| RD27-120o | RD27-120o.3 | 5100047373 |
| RD18-100 | RD18-100 | 5100055775, 5100011383, 5100047361 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392 |
| RD40-130o.3 | RD40-130o.3 | 5100047399 |
| RD18-100c.3 | RD18-100c.3 | 5100055948 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD24-100 C Tandem Rollers | RD24-100 C | 5100011387 |
| RD28-120 C Tandem Roller | RD28-120C US | 5100021758 |
| RD40-130 O | RD40-130 O | 5100011395 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD18 | RD18-100.3 | 5100055947 |
| RD18-100 C Tandem Roller | RD18-100 C US | 5100027574 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD40-130 Tandem Roller | RD40-130 | 5100011391 |
| RD18-100 C Tandem Roller | RD18-100 C | 5100011384 |
| RD28-120 O Tandem Roller | RD28-120O US | 5100021800 |
| RD24-100c.3 | RD24-100c.3 | 5100047370 |
| RD24-100 C Tandem Roller | RD24-100C US | 5100021757 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
| RD27-120 Tandem Roller | RD27-120 | 5100011386 |
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.
