The Wacker Neuson Woodruff Key is a genuine OEM component designed for the RD11V, RD11A, and RD880V double drum vibratory tandem rollers. As a direct OEM replacement, part is manufactured to the exact tolerances required for proper shaft and hub engagement on these machines. Verified fitment spans both the RD11V and RD11A hydrostatic double drum vibratory rollers as well as the RD880V double drum vibratory roller, making this a reliable sourcing option when servicing any of those models. Keep a spare on hand — this is a small part that can halt operations when it fails.
Key Features
- Genuine OEM Tolerancing — Manufactured to Wacker Neuson's exact dimensional specifications, ensuring the key seats fully and transmits rotational force without slippage or play.
- Drop-In Shaft Fit — Machined to match the keyway geometry on RD-series roller shafts, allowing straightforward installation without filing or shimming.
- Confirmed Fitment — Verified for the RD11V, RD11A, and RD880V double drum vibratory tandem rollers.
- Torque Transfer Integrity — A correctly fitted Woodruff Key locks the hub to the shaft so drum drive force is transmitted cleanly; a worn or sheared key causes drum slip, uneven compaction, and accelerated wear to mating components.
- Drive System Safety — A failed key on a vibratory roller drum drive can result in unpredictable drum behavior during operation; replacing a worn key promptly restores controlled, predictable machine response.
A Woodruff Key is a small, semicircular metal key that fits into a matching slot — the keyway — machined into both a shaft and its mating hub or gear. Its purpose is to lock these two components together rotationally, ensuring that torque applied to the shaft is transferred directly to the hub without slipping. On a double drum vibratory roller like the RD11V, RD11A, or RD880V, the Woodruff Key plays a critical role in the drum drive assembly. When the key shears or wears, the shaft spins independently of the hub, causing loss of drive to the drum, irregular compaction output, and potential damage to the surrounding shaft and bore surfaces.
Part Details
| Part Number | 5000089727 |
|---|---|
| Old Part Number | 0089727 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Woodruff Key |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
| Double Drum Vibratory Roller | RD880V | 5000006736 |
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.
