The Wacker Neuson Control Block is a genuine OEM component designed for the RD40-130 and RD45-140 series tandem rollers, covering standard, C, O, US, and.3 configuration variants. As a direct factory replacement, this control block meets the exact specifications of the original part it replaces, ensuring correct hydraulic circuit management across all covered machines. Wacker Neuson OEM parts carry the full backing of the manufacturer, giving you confidence in fitment and function from the moment the part arrives. Whether you're servicing a standard RD40-130 or an RD45-140 C variant, part number is the correct replacement to restore full machine operation.
Key Features
- Genuine OEM Hydraulic Integrity — Manufactured to Wacker Neuson's original flow-path and pressure-rating specifications, ensuring the control block routes and regulates hydraulic fluid exactly as designed for the tandem roller platform.
- Direct Drop-In Replacement — Engineered to match the original port layout and mounting configuration of the 5100050695, allowing straightforward installation without modification to hydraulic lines or mounting hardware.
- Broad Series Compatibility — Fits the full RD40-130 and RD45-140 model families, including standard, C, O, US, and .3 variants, covering a wide range of production configurations in a single part number.
- Consistent Compaction Performance — A properly functioning control block maintains precise hydraulic pressure distribution to the drum drive circuits; a failed or worn unit can cause uneven drum speed, loss of propulsion, or erratic compaction output.
- Hydraulic System Safety — Correct hydraulic control is critical to safe roller operation on grade and in reverse travel; using a verified OEM replacement eliminates the risk of pressure irregularities that can compromise directional control.
The control block is a central hydraulic manifold component that directs and regulates pressurized fluid flow between the pump, drive motors, and other hydraulic circuits within the machine. On a tandem roller, it governs drum propulsion and compaction force, meaning any internal wear, cracking, or seal failure in this block can lead to sluggish response, pressure loss, or complete loss of drive. Replacing a compromised control block with a genuine OEM unit restores the precise flow characteristics the machine's hydraulic system was designed to operate with.
Part Details
| Part Number | 5100050695 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Control Block |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 Tandem Roller | RD40-130 | 5100011391, 5100047382 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392, 5100047383 |
| 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 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD40-130c | RD40-130c | 5100047384 |
| RD45-140c | RD45-140c | 5100047385 |
| RD40-130o | RD40-130o | 5100047386 |
| RD45-140o | RD45-140o | 5100047387 |
| 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.
