The Wacker Neuson Key is a genuine OEM component designed for RD15 and RD25 hydrostatic double drum vibratory rollers. As a direct factory replacement, this key ensures a precise mechanical connection between rotating shaft and drive components, maintaining correct power transfer within the drivetrain. Wacker Neuson genuine OEM parts are manufactured to the same specifications as the original, so you can install the with confidence across compatible RD15 and RD25 roller configurations.
Key Features
- Genuine OEM Fit and Material Grade — Manufactured by Wacker Neuson to exact dimensional and hardness tolerances required for proper shaft-to-component engagement in roller drivetrains.
- Direct Drop-In Replacement — Seats into the existing keyway without alteration, restoring the mechanical lock between shaft and mating component as originally assembled.
- Verified Fitment for RD15 and RD25 Rollers — Confirmed for RD15 and RD25 hydrostatic double drum vibratory roller models, covering multiple machine configurations within the RD series.
- Maintains Full Torque Transfer — A correctly seated key prevents slippage between shaft and hub, ensuring the drum drive delivers consistent compaction force during asphalt and soil rolling operations.
- Prevents Costly Secondary Damage — A worn or missing key causes shaft and hub keyways to batter against each other; replacing it promptly protects surrounding drivetrain components from progressive wear.
A key is a small hardened metal component that fits into a machined slot — called a keyway — shared between a rotating shaft and a hub or gear. Its job is to lock the two parts together rotationally so that torque is transferred cleanly from one to the other without slipping. On a tandem drum roller like the RD15 or RD25, this connection is critical to maintaining consistent drum speed and compaction output. When a key shears or wears, the shaft and hub spin independently, causing immediate loss of drive to the affected drum and accelerating damage to the surrounding keyway surfaces if left unaddressed.
Part Details
| Part Number | 5000115556 |
|---|---|
| Old Part Number | 0115556 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Key |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Double Drum Vibrat ory Roller | RD25 | 5000008058, 5000009317 |
| Hydrostatic Double Drum Vibrat ory Roller | RD15 | 5000009316 |
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.
