The Wacker Neuson Reducing Insert is a genuine OEM component designed for a wide range of Wacker Neuson tandem rollers and single drum soil compactors, including the RD40-130, RD45-140, RC50, and RC70 series. As a direct factory-sourced part, the meets the same specifications as the original component it replaces, ensuring proper fit and function across all listed machines. Fitment spans multiple configuration variants including standard, cab, ROPS, DPF, and VO models within the RD and RC families.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to Wacker Neuson's original bore and thread specifications, ensuring the reducing insert seats correctly without binding or misalignment.
- Direct Drop-In Installation — Engineered to match the original mounting interface exactly, so the insert installs into the existing port or housing without reworking surrounding components.
- Broad Series Compatibility — Confirmed fitment across RD40-130, RD45-140, RC50, RC70, and RC70VO variants, including DPF-equipped and cab or ROPS-configured machines.
- Maintains Proper Flow or Passage Sizing — A correctly fitted reducing insert keeps fluid or material passage diameters within spec; a worn or improperly sized insert can cause leakage, pressure loss, or connection failure.
- Sourced Directly from Wacker Neuson — Carrying the genuine OEM designation means this part is produced to the same standards as the component originally installed at the factory, not reverse-engineered from measurements alone.
A reducing insert is a precision-fitted adapter used to transition between two different port or bore sizes within a machine's hydraulic, fluid, or mechanical system. It allows a larger housing or port to accept a smaller fitting, hose, or component without requiring a complete assembly replacement. When a reducing insert becomes worn, cracked, or incorrectly sized, it can cause fluid leaks, loss of system pressure, or poor connection integrity — any of which can affect the compactor's performance and reliability on the job.
Part Details
| Part Number | 5100022888 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Reducing Insert |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD40-130 Tandem Roller | RD40-130 | 5100011391 |
| RD45-140 Tandem Roller | RD45-140 | 5100011392 |
| 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 |
| Single drum soil compactor RC50 | RC50 | 5100021295, 5100047388 |
| Single drum soil compactor RC50P | RC50P | 5100021296 |
| Single drum soil compactor RC70 | RC70 | 5100021297, 5100047410 |
| Single drum soil compactor RC70P | RC70P | 5100021298 |
| Single drum soil compactor RC70VO | RC70VO | 5100021299 |
| RC50 Single Drum Soil Compactor | RC50 US | 5100027575, 5100047413 |
| RC50p Single Drum Soil Compactor | RC50p US | 5100027576, 5100047414 |
| RC70 Single Drum Soil Compactor | RC70 US | 5100027577, 5100047415 |
| Vibration Roller | RC70 VO US | 5100027578 |
| RC70p Single Drum Soil Compactor | RC70p US | 5100027579, 5100047416 |
| RC50p | RC50p | 5100047389 |
| 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 |
| RC70p | RC70p | 5100047411 |
| RC70vo | RC70vo | 5100047412 |
| 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 |
| RC50 | RC50 DPF CAB | 5100064255 |
| RC50 | RC50 DPF ROPS | 5100064256 |
| RC50p | RC50p DPF CAB | 5100064257 |
| RC50p | RC50p DPF ROPS | 5100064258 |
| RC70 | RC70 DPF CAB | 5100064259 |
| RC70 | RC70 DPF ROPS | 5100064260 |
| RC70p | RC70p DPF CAB | 5100064261 |
| RC70p | RC70p DPF ROPS | 5100064262 |
| RC70vo | RC70vo DPF CAB | 5100064263 |
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.