The Wacker Neuson 5100025017 is a genuine OEM Dust Discharge Valve designed for the RD40-130 and RD45-140 series tandem rollers, including standard, combination drum (c/o variants), and DPF-equipped models. As a factory-sourced component, it meets the original engineering specifications for fit and function across the full range of covered machines. This valve plays a critical role in managing airborne dust generated during compaction operations, helping maintain clean air flow through the machine's filtration system. If your current valve is worn, cracked, or no longer sealing properly, replacing it with part number 5100025017 restores proper dust management to your roller.
Key Features
- Factory-Correct Sealing Geometry — Manufactured to the original valve dimensions, ensuring the dust discharge port seals and opens with the same actuation characteristics as the part it replaces.
- Genuine OEM Sourcing — Sourced directly from Wacker Neuson, so the material grade and valve construction match the specification used in original production builds.
- Broad RD Series Coverage — Confirmed fitment across RD40-130 and RD45-140 variants, including open-drum (o), combination-drum (c), US-market builds, and DPF-equipped configurations.
- Protects Air Filtration Performance — A functioning dust discharge valve expels accumulated dust before it can restrict air flow or migrate into the engine intake; a failed valve accelerates filter loading and risks engine contamination.
- Direct Drop-In Installation — Designed to mount to the existing port without modification, using the same attachment points as the original valve.
The dust discharge valve is part of the air cleaner assembly on Wacker Neuson tandem rollers. Its job is to automatically expel dust and debris that collect in the pre-cleaner bowl, preventing buildup that would otherwise choke the air filter and starve the engine of clean air. When the valve deteriorates — through cracking, hardening, or losing its flexibility — dust is no longer expelled efficiently, leading to accelerated filter clogging, reduced engine performance, and in severe cases, abrasive contamination entering the engine. Regular inspection and timely replacement of part 5100025017 keeps the air intake system operating as intended across demanding compaction applications.
Part Details
| Part Number | 5100025017 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Dust Discharge Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130o | RD40-130o | 5100047386 |
| RD45-140 O Tandem Roller | RD45-140O US | 5100021806 |
| RD45-140 DPF | RD45-140 DPF | 5100055778 |
| RD40-130c | RD40-130c | 5100047384 |
| RD45-140o DPF | RD45-140o DPF | 5100055782 |
| RD45-140c DPF | RD45-140c DPF | 5100055780 |
| RD40-130o DPF | RD40-130o DPF | 5100055781 |
| RD45-140 | RD45-140 | 5100047383 |
| RD40-130 DPF | RD40-130 DPF | 5100055777 |
| RD45-140 Tandem Roller | RD45-140 US | 5100021802 |
| RD40-130 Tandem Roller | RD40-130 US | 5100021801 |
| RD40-130 C Tandem Roller | RD40-130C US | 5100021803 |
| RD45-140o | RD45-140o | 5100047387 |
| RD45-140c | RD45-140c | 5100047385 |
| RD45-140 C Tandem Roller | RD45-140C US | 5100021804 |
| RD40-130 O Tandem Roller | RD40-130O US | 5100021805 |
| RD40-130 | RD40-130 | 5100047382 |
| RD40-130c DPF | RD40-130c DPF | 5100055779 |
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.
