The Wacker Neuson Drain Cap Complete is a genuine OEM component designed for the RD27-100 and RD27-120 hydrostatic vibratory rollers, including standard and traction control configurations. As a factory-sourced assembly, part delivers the exact fit and sealing performance required to maintain fluid containment on these walk-behind tandem rollers. This complete cap assembly covers the full range of RD27 series machine configurations, making it the straightforward, no-guesswork choice for scheduled fluid service or drain point repairs.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's original material and thread specifications, ensuring the drain point seals completely against fluid leaks under operating conditions.
- Complete Assembly — Supplied as a complete cap unit, so all components needed for a proper drain point installation are included in a single part number.
- Direct-Fit for RD27 Series Rollers — Confirmed fitment across RD27-100 and RD27-120 hydrostatic vibratory rollers, including both standard and traction control variants.
- Protects System Fluids — A correctly seated drain cap prevents unintended fluid loss that can lead to hydraulic or engine damage during roller operation.
- Fluid System Safety — An improperly sealed drain cap can allow hydraulic or lubricating fluid to leak onto hot surfaces or the ground, creating fire and environmental hazards; genuine fitment eliminates that risk.
A drain cap serves as the primary closure point for a fluid drain port — whether on the hydraulic system, engine, or gearbox — keeping fluids contained during operation and allowing controlled drainage during service. On hydrostatic vibratory rollers like the RD27 series, maintaining proper fluid levels is critical to the performance of the hydrostatic drive system, which powers both propulsion and drum vibration. A worn, stripped, or missing drain cap can allow fluid to escape undetected, leading to costly hydraulic or mechanical failures if left unaddressed.
Part Details
| Part Number | 5000171731 |
|---|---|
| Old Part Number | 0171731 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Drain Cap Complete |
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.