The Wacker Neuson Valve Block is a genuine OEM component designed for the RD40-130 C and RD45-140 C tandem roller series, including US-spec variants and the RD40-130c.3 and RD45-140c.3 models. As a direct OEM replacement, this valve block is manufactured to the exact specifications of the original part, ensuring a correct, drop-in fit with no guesswork on compatibility. Sourced directly through authorized Wacker Neuson supply channels, part delivers the build quality and hydraulic performance your compaction equipment depends on. Confirm your model number against the fitment list before ordering to ensure this is the right part for your machine.
Key Features
- OEM Hydraulic Precision: — Built to the exact flow and pressure tolerances of the original valve block, maintaining proper hydraulic circuit behavior throughout the compaction cycle.
- Direct Drop-In Replacement: — Matches the original port layout and mounting configuration, allowing straightforward installation without line rerouting or adapter fittings.
- Broad Tandem Roller Coverage: — Fits RD40-130 C, RD45-140 C, US-spec variants, and the updated RD40-130c.3 and RD45-140c.3 model lines in a single part number.
- Sustained Compaction Output: — A correctly functioning valve block maintains consistent hydraulic pressure to the drum drive system, keeping compaction force and travel speed within spec across the full working range.
- Genuine Wacker Neuson Part: — Carries full OEM traceability, giving fleet managers and service technicians confidence that the replacement meets the same standards as the unit that left the factory.
A valve block is the central hydraulic control assembly that routes pressurized fluid to the various circuits within a tandem roller — typically managing drum drive, steering, and vibratory functions. It contains a series of internal passages and control valves that regulate flow direction and pressure to keep each hydraulic function operating independently and correctly. When a valve block begins to fail, operators typically notice erratic drum drive behavior, loss of travel speed, or uneven vibration output; left unaddressed, internal bypass within the block can cause overheating and accelerated wear throughout the hydraulic system.
Part Details
| Part Number | 5100012382 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve 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 |
| RD40-130c.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.