The Wacker Neuson 9490-000-7901 is a genuine OEM Hose Fitting designed for the RD27-100 and RD27-120 series hydrostatic vibratory rollers, including standard and traction control configurations. As a factory-sourced component, this fitting is manufactured to the exact dimensions and material specifications required for a secure, leak-free connection within the roller's hydraulic or fluid circuit. It is a direct replacement for the original part across the full range of RD27 serial configurations listed for this fitment. Whether you're performing routine maintenance or addressing a fluid system issue on your RD27, part number 9490-000-7901 ensures you're installing the correct fitting the first time.
Key Features
- Genuine OEM Material Integrity — Manufactured to Wacker Neuson's original material and dimensional specifications, ensuring correct thread form, sealing surface, and pressure rating for the RD27 fluid system.
- Direct-Connect Replacement — Engineered to thread and seat exactly as the original, with no reworking of ports or mating components required during installation.
- Broad RD27 Series Fitment — Compatible with multiple RD27-100 and RD27-120 configurations, including standard hydrostatic vibratory roller and traction control variants.
- Leak-Free Hydraulic Circuit Performance — A correctly seated hose fitting maintains system pressure and flow integrity; a damaged or poorly matched fitting can cause fluid loss, pressure drop, and premature pump or motor wear.
- Fuel and Fluid Safety Compliance — Using the correct OEM fitting in pressurized hydraulic lines helps prevent uncontrolled fluid release, which is a critical safety consideration on compaction rollers operating in confined or high-traffic work zones.
A hose fitting is a threaded or press-fit connector that joins hydraulic or fluid hoses to ports on pumps, motors, valves, or manifolds within the machine's fluid circuit. On a hydrostatic vibratory roller like the RD27, these fittings are integral to maintaining the closed-loop hydraulic system that drives propulsion and drum vibration. When a fitting cracks, strips, or develops a compromised seal, the resulting fluid loss can cause a drop in hydraulic pressure, erratic machine behavior, and potential damage to downstream components — making prompt replacement with the correct part essential.
Part Details
| Part Number | 9490-000-7901 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hose Fitting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5000620393, 5000620508, 5000620510, 5000620512, 5000620395, 5200009322 |
| Hydrostatic Vibratory Roller | RD27-120 | 5000620394, 5000620509, 5000620511, 5000620513, 5000620396, 5200009323 |
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.
