The Wacker Neuson is a genuine OEM Drive Key 3/16 X 1 designed for the BV50A-P series backpack concrete vibrators. As a direct Wacker Neuson OEM part, is manufactured to the exact tolerances required for proper shaft-to-drive engagement in the BV50A-P vibrator head assembly. This part is compatible with multiple BV50A-P configurations, including the SPM4+PH45 and SPM2+PH45 backpack variants, as well as EU-spec models. When you need to restore precise power transmission to your backpack vibrator, this is the correct replacement component.
Key Features
- Exact OEM Tolerancing for Drive Shaft Engagement — Manufactured to Wacker Neuson's original dimensions, ensuring the key seats fully in the keyway slot without play or slop that could cause shaft damage.
- Genuine Wacker Neuson OEM Component — Sourced directly from Wacker Neuson, this part carries the same material hardness and geometry as the original, critical for consistent torque transfer under vibration loads.
- Fits Multiple BV50A-P Configurations — Compatible with BV50A-P backpack vibrators across SPM4+PH45, SPM2+PH45, and EU-spec builds, covering a wide range of jobsite configurations.
- Restores Full Power Transfer to the Vibrator Head — A worn or missing drive key causes slippage between the drive shaft and mating component, resulting in reduced or lost vibration output — replacing it immediately restores full concrete consolidation performance.
- Small Part, Critical Function — Drive keys are a common wear and loss item during maintenance. Keeping a genuine replacement on hand means vibrator downtime is measured in minutes, not days waiting on parts.
A drive key is a small, precisely sized metal component that locks a rotating shaft to a mating hub or gear, preventing relative rotation between the two parts. In a backpack concrete vibrator like the BV50A-P, the drive key ensures that rotational power from the motor is transferred directly and efficiently to the vibrator head. When the key wears, shears, or goes missing during service, the shaft will spin freely inside the hub, causing a complete loss of vibration output and potential damage to the surrounding keyway surfaces if the machine continues to run.
Part Details
| Part Number | 5000174846 |
|---|---|
| Old Part Number | 0174846 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Drive Key 3/16 X 1 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Backpack Vibrator | BV50A-P | 5000620399, 5000620764, 5000620767 |
| Backpack Vibrator | BV50A-P EU | 5000620892 |
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.
