Wacker Neuson 5100050576 Centrifugal Clutch W/1 Bore Z5

The Wacker Neuson is a genuine OEM Centrifugal Clutch W/1 Bore Z5 designed for the CT36-8A, CT48-8A, and CT48-11A series power trowels. Sourced directly from Wacker Neuson, this part carries the same exacting specifications as the component installed at the factory, so you can be confident in the fit and performance from the moment it goes in. It is a direct-fit replacement compatible across multiple CT-series trowel configurations, including both standard and EU variants. If your trowel is slipping at engagement, failing to transfer power cleanly to the blades, or showing signs of clutch wear, part number is the correct OEM solution.

Key Features

• OEM-Spec Engagement Characteristics — Manufactured to Wacker Neuson's original centrifugal engagement thresholds, ensuring the clutch picks up load at the correct RPM and delivers smooth, consistent power transfer to the trowel blades.
• Single-Bore Z5 Configuration — The 1-bore Z5 spec matches the original shaft interface exactly, allowing straightforward installation without sleeve adapters or modification to the driveline.
• Broad CT-Series Compatibility — Fits the CT36-8A, CT48-8A, and CT48-11A trowel families, including EU-spec CT48-8A units, covering a wide range of Wacker Neuson ride-on and walk-behind finishing trowel platforms.
• Restored Blade Drive Performance — A worn or slipping centrifugal clutch causes inconsistent blade speed and poor surface finish. Replacing with this genuine part restores full, predictable power delivery to the finishing blades.
• Drivetrain Safety Assurance — The centrifugal clutch is a load-path component; a degraded clutch can cause uncontrolled engagement or sudden drivetrain shock. Using a genuine OEM replacement maintains the designed engagement behavior and protects the operator and drivetrain.

A centrifugal clutch automatically engages the drivetrain when engine speed rises above an idle threshold, transmitting power to the trowel blades without requiring a manual clutch lever. As engine RPM increases, weighted flyweights inside the clutch drum expand outward and lock into the drum, transferring rotational force to the blade assembly. When the clutch wears, the flyweights lose their grip or engage unpredictably, leading to blade slippage, erratic finishing performance, and added stress on the engine and gearbox. Replacing a failing clutch promptly keeps the trowel operating at its intended finishing capacity and prevents secondary damage to surrounding drivetrain components.

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.

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