The Wacker Neuson Coupling Kit is a genuine OEM component designed for the RD27-100 and RD27-120 series hydrostatic vibratory rollers, including standard and traction control configurations. As a direct OEM replacement, this kit is sourced from Wacker Neuson and engineered to the same specifications as the original part installed at the factory. Verified fitment covers multiple machine numbers across the RD27-100 and RD27-120 roller families, making this the correct choice when restoring drivetrain connection integrity on these tandem rollers. Having the right part number — — on hand means your roller gets back to compacting asphalt and soil without unnecessary delays.
Key Features
- OEM-Matched Coupling Tolerances — Manufactured to Wacker Neuson's original dimensional specifications, ensuring the coupling interfaces align correctly with mating drivetrain components without play or misalignment.
- Drop-In Fitment for RD27 Series Rollers — Engineered specifically for the RD27-100 and RD27-120 hydrostatic vibratory rollers, including both standard and traction control variants, so installation follows the original service procedure.
- Genuine Wacker Neuson OEM Part — Supplied as an authentic OEM kit (part number 5000177120), not a reverse-engineered substitute — material grades and geometry match the original assembly exactly.
- Drivetrain Power Transfer Integrity — A correctly functioning coupling maintains smooth, consistent torque transfer between drivetrain components; a worn or failed coupling causes vibration, slippage, or loss of drive — directly impacting compaction output and drum control.
- Broad RD27 Configuration Coverage — Fits multiple machine numbers across both the RD27-100 and RD27-120 model lines, covering hydrostatic vibratory roller and hydrostatic vibratory roller with traction control builds.
A coupling kit connects and transmits rotational force between two drivetrain or hydraulic system shafts, compensating for minor misalignment while maintaining positive engagement. On a tandem vibratory roller like the RD27 series, the coupling plays a critical role in delivering consistent drive and vibratory energy to the drums. When a coupling wears, cracks, or fails, operators typically notice increased vibration at the operator platform, erratic drum behavior, or a complete loss of drive — all of which compromise compaction quality and can accelerate wear on adjacent components.
Part Details
| Part Number | 5000177120 |
|---|---|
| Old Part Number | 0177120 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Coupling Kit |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620393, 5000620508, 5000620510, 5000620512, 5000620395, 5200009322, 5000620007, 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 5000620394, 5000620509, 5000620511, 5000620513, 5000620396, 5200009323, 5000009469, 5000620038 |
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.
Wacker Neuson
Wacker Neuson Kit-Coupling Plate, Stamford | 5100029688
