Wacker Neuson 5000156464 Fitting Key

The Wacker Neuson Fitting Key is a genuine OEM component designed for a broad range of Wacker Neuson equipment, including CT36 and CT48 concrete power trowels, VP and WP series single-direction vibratory plate compactors, PT2 and PT3 centrifugal trash pumps, GP and GPi series portable generators, BFS floor saws, and BPU reversible vibratory plates. As a direct OEM replacement, the is manufactured to the same specification as the original, ensuring it installs correctly without modification. This key is a high-demand service part that spans multiple machine families, making it a smart stocking item for equipment dealers, rental fleets, and service technicians. Verify your model and machine number before ordering to confirm the correct application.

Key Features

• Genuine OEM Specification: — Produced to Wacker Neuson's original dimensional tolerances, ensuring the key seats, engages, and holds torque the same way the factory-installed part does.
• Direct Drop-In Replacement: — Matches the original keyway profile exactly, so installation requires no filing, shimming, or custom fitting on any listed machine.
• Broad Cross-Family Fitment: — A single part number covers CT36 and CT48 trowels, VP/WP vibratory plate compactors, BPU reversible plates, PT2/PT3 trash pumps, GP/GPi generators, and BFS floor saws — reducing the number of SKUs needed in a service inventory.
• Positive Drive Transfer: — A correctly fitted key locks shaft-to-hub engagement, transmitting rotational force without slip. A worn or missing key allows the hub to rotate independently of the shaft, causing erratic operation or complete loss of drive.
• High-Volume Service Part: — Fitting keys are frequently replaced during shaft seal services, impeller swaps, eccentric weight maintenance, and blade-hub rebuilds, making accurate part-number identification critical to a clean repair.

A fitting key is a small, precisely sized metal insert that locks a rotating component — such as an impeller, eccentric weight hub, clutch drum, or blade flange — to its drive shaft. It sits in matching keyways machined into both the shaft and the hub, preventing relative rotation between the two while still allowing the assembly to be disassembled for service. When a fitting key shears, deforms, or goes missing, the driven component loses its positive connection to the shaft, resulting in lost output, unusual vibration, or a component that spins freely without transferring power. Replacing a worn or damaged key with the correct OEM part restores the mechanical lock and protects both the shaft and the hub from further damage.

Part Details

Compatibility & Fitment

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.