The Wacker Neuson Valve Block is a genuine OEM component designed for the RD40-130 and RD45-140 series tandem rollers, including standard, C, O, DPF, and US variants. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component installed at the factory. It covers an extensive range of configurations across the RD40-130 and RD45-140 family, making it the correct choice whether you're working on a canopy, open-ROPS, or DPF-equipped machine. Verify your machine's model number against the fitment list before ordering to ensure a direct match.
Key Features
- Genuine OEM Hydraulic Integrity — Manufactured to original Wacker Neuson specifications, ensuring correct flow rates and pressure ratings for the hydraulic circuit this valve block controls.
- Direct Drop-In Replacement — Matches original port sizing, mounting pattern, and connection points for a straightforward swap without additional adaptation.
- Broad RD Series Coverage — Compatible with RD40-130 and RD45-140 tandem rollers across standard, C (canopy), O (open), DPF, and US configurations, spanning multiple build series.
- Sustained Hydraulic System Performance — A correctly functioning valve block maintains precise hydraulic pressure control across the roller's compaction circuits; a failed unit can cause erratic drum behavior or complete loss of hydraulic function.
- Verified OEM Part Number — Part number 5100012463 is the authoritative Wacker Neuson reference for this application, eliminating guesswork when cross-referencing against your service manual.
A valve block is a central hydraulic control component that directs and regulates pressurized fluid flow between multiple circuits within the machine. On a tandem roller like the RD40-130 and RD45-140 series, it manages the routing of hydraulic pressure to the drum drive, steering, and vibration systems, keeping each circuit operating within its intended parameters. When a valve block develops internal leaks, sticking spools, or physical damage, hydraulic pressure becomes inconsistent, leading to poor compaction performance, steering irregularities, or complete loss of drive function.
Part Details
| Part Number | 5100012463 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve 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 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 |
| 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 |
| 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.
