The Wacker Neuson 5100012540 is a genuine OEM Adjustable Elbow designed for the RD18, RD24, RD27, and RD28 series ride-on articulated tandem rollers. As a direct OEM replacement, this fitting is sourced from the original manufacturer to match the exact material grade, thread specification, and angular adjustment range of the factory-installed component. Confirmed fitment spans a wide range of RD-series configurations including DPF-equipped variants, standard models, and US-market units across multiple build revisions.
Key Features
- Genuine OEM Fitting Integrity — Manufactured to the same material and dimensional tolerances as the original, ensuring the elbow holds rated pressure and maintains a leak-free connection in the hydraulic or fluid routing circuit.
- Adjustable Angle Design — The elbow's adjustable configuration allows precise line orientation during installation, accommodating tight routing paths without stressing hose or tubing connections.
- Broad RD-Series Compatibility — Verified fitment across RD18-80, RD18-100, RD24-100, RD27-120, and RD28-120 tandem rollers, including DPF, SE, C, and US-market variants.
- Sustained Flow and Pressure Integrity — A correctly seated adjustable elbow maintains consistent fluid routing through the machine; a damaged or worn fitting can cause leaks, pressure loss, and unplanned service stops on the compaction pass.
- Multi-Revision Coverage — Compatible across multiple build iterations (including .3-series updates) so a single part number fulfills replacement needs across a mixed fleet of RD-series rollers.
An adjustable elbow is a directional pipe or hose fitting that allows the outlet angle to be set and locked during assembly, giving technicians flexibility when routing fluid lines through confined spaces in the machine's frame. On ride-on tandem rollers like the RD-series, these fittings are commonly used in hydraulic, coolant, or fuel plumbing where a fixed elbow would conflict with surrounding components. When an adjustable elbow fails — through cracking, thread damage, or seal deterioration — it can cause fluid leaks that lead to system pressure loss or contamination, directly affecting drum drive performance and overall compaction output.
Part Details
| Part Number | 5100012540 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Adjustable Elbow |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD18-100 C Tandem Roller | RD18-100 C | 5100011384 |
| RD28-120 DPF | RD28-120 DPF | 5100047390 |
| RD24-100c DPF | RD24-100c DPF | 5100047391 |
| RD24-100o DPF | RD24-100o DPF | 5100047393 |
| RD24-100 DPF | RD24-100 DPF | 5100047380 |
| RD18-80 Tandem Roller | RD18-80 US | 5100027572 |
| RD24-100o.3 | RD24-100o.3 | 5100047372 |
| RD18-80 | RD18-80 | 5100047360, 5100011382 |
| RD18-100 Tandem Roller | RD18-100 | 5100011383, 5100047361 |
| RD28-120o DPF | RD28-120o DPF | 5100047394 |
| Vibration Roller | RD18-100c 3 | 5100047363 |
| Vibration Roller | RD18-100 SE | 5100044989 |
| RD18-100 Tandem Roller | RD18-100 US | 5100027573 |
| Vibration Roller | RD18-80 SE | 5100044988 |
| RD27-120o | RD27-120o.3 | 5100047373 |
| RD27-120c | RD27-120c.3 | 5100047371 |
| RD24-100c.3 | RD24-100c.3 | 5100047370 |
| RD 18-100 C | RD18-100c | 5100047362 |
| RD18-100 C Tandem Roller | RD18-100 C US | 5100027574 |
| RD27-120 | RD 27-120.3 | 5100032198 |
| RD 24-100.3 | RD 24-100.3 | 5100032197 |
| RD28-120c DPF | RD28-120c DPF | 5100047392 |
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.
