The Wacker Neuson Pendulum Joint is a genuine OEM component designed for the RD40-130 and RD45-140 series tandem rollers, including standard, C, O, DPF, and US-market variants. As a direct factory replacement, this part meets the same specifications as the original installed at the time of manufacture, ensuring it integrates correctly with your machine's articulation system. Wacker Neuson's genuine OEM designation means this joint is sourced and validated by the manufacturer — not a generic substitute. Broad fitment coverage spans multiple generations of RD40-130 and RD45-140 models, making the correct part for a wide range of machines in this roller family.
Key Features
- Genuine OEM Articulation Geometry: — Manufactured to the exact pivot tolerances required by the RD40-130 and RD45-140 articulated steering system, preserving correct steering arc and drum alignment.
- Direct Bolt-In Replacement: — Engineered to match the original mounting points and joint dimensions of the factory-installed pendulum joint, so installation follows standard service procedures without improvisation.
- Wide Series Fitment: — Compatible with standard, C, O, DPF, and US-market configurations across both the RD40-130 and RD45-140 tandem roller families, covering multiple production generations.
- Steering Stability Under Load: — A correctly functioning pendulum joint keeps the front and rear drum assemblies tracking true, maintaining compaction accuracy across grades and curves.
- Verified Part Number: — Order with confidence using Wacker Neuson part number 5100011842, cross-referenced across all listed RD-series model and serial number groups.
The pendulum joint is the pivoting connection point at the center of an articulated tandem roller, linking the front drum section to the rear drum section and allowing the machine to steer by bending through this central hinge. It carries the full load of the machine through every turn while absorbing the dynamic forces generated during compaction passes. When this joint wears or fails, steering becomes imprecise or sluggish, the two drum sections may no longer track in alignment, and uneven compaction results — making timely replacement critical to both surface quality and safe machine operation.
Part Details
| Part Number | 5100011842 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pendulum Joint |
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.
