The Wacker Neuson Control Block is a genuine OEM component designed for RD40-130 and RD45-140 series tandem rollers. Sourced directly from Wacker Neuson, this part carries the same specifications as the original unit installed at the factory, ensuring a direct, compatible replacement. The fits across multiple configurations within the RD40-130 and RD45-140 families, including C, US, and open drum variants, covering a broad range of machines in this compaction roller lineup.
Key Features
- Genuine OEM Hydraulic Integrity — Built to exact internal porting and pressure tolerances required for correct hydraulic flow control in compaction roller applications.
- Direct Bolt-In Replacement — Matches the original mounting configuration and hydraulic line connections of the OEM control block, allowing straightforward installation without adaptation.
- Broad Series Compatibility — Fits RD40-130 and RD45-140 tandem roller families, including C, US, open drum, and .3 sub-variants across multiple machine configurations.
- Maintains Precise Flow and Pressure Control — A functioning control block keeps hydraulic distribution accurate across the roller's drive and vibration circuits; a failed unit can cause erratic or unresponsive machine behavior.
- Verified Part Number Fit — OEM part number 5100050701 cross-referenced across all listed RD-series model and serial configurations for confident ordering.
The control block is a central hydraulic valve assembly that directs and regulates pressurized fluid flow to the various operating circuits of the tandem roller — including propulsion, steering, and drum vibration systems. It acts as a routing and control hub, ensuring each circuit receives the correct flow rate and pressure at the right time. When the control block wears, leaks, or fails, the machine can exhibit sluggish response, loss of drive, or uncontrolled vibration behavior, making timely replacement essential to keeping the roller performing as intended.
Part Details
| Part Number | 5100050701 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Control Block |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 C Tandem Roller | RD40-130 C | 5100011393 |
| RD45-140 C Tandem Roller | RD45-140 C | 5100011394 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| 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 |
| RD40-130c.3 | RD40-130c.3 | 5100047397 |
| RD45-140c.3 | RD45-140c.3 | 5100047398 |
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.
