The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the RD27-100 and RD27-120 hydrostatic vibratory rollers. Sourced directly from Wacker Neuson, this O-Ring meets the exact material and dimensional standards specified for these machines. It is a direct-fit replacement that installs into the original sealing groove without alteration. Keeping the correct O-Ring in place is critical to maintaining fluid integrity across the hydraulic and drive systems found in the RD27 roller series.
Key Features
- Genuine OEM Sealing Compound — Made to Wacker Neuson's exact material grade, ensuring correct compression and fluid compatibility within the RD27's hydraulic circuit.
- Exact Dimensional Match — Sized to the original groove profile on RD27-100 and RD27-120 rollers, so the seal seats fully and holds without reshaping or shimming.
- Fits RD27 Hydrostatic Vibratory Roller Series — Confirmed fitment for the RD27-100 and RD27-120 walk-behind tandem rollers used in asphalt and soil compaction applications.
- Prevents Fluid Bypass and Leakage — A correctly seated O-Ring maintains pressure in hydraulic circuits; a worn or cracked O-Ring leads to fluid loss, reduced drive performance, and potential system damage.
- Hydraulic System Safety — In a hydrostatic drive machine, a failed O-Ring can cause sudden loss of propulsion or vibration control, making prompt replacement essential for safe machine operation.
An O-Ring is a precision-molded loop of elastomeric material used to create a static or dynamic fluid seal between two mating components. In hydrostatic rollers like the RD27 series, O-Rings appear throughout the hydraulic drive circuit, pump connections, and motor ports, where they prevent fluid from bypassing or escaping under pressure. When an O-Ring degrades — through heat cycling, chemical exposure, or simple age — it loses its ability to compress evenly against the mating surfaces, resulting in leaks, pressure drop, and compromised machine performance. Replacing a worn O-Ring with the correct Wacker Neuson 5000161144 part restores the sealing integrity the system depends on.
Part Details
| Part Number | 5000161144 |
|---|---|
| Old Part Number | 0161144 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620037 |
| Hydrostatic Vibratory Roller | RD27-120 | 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.
