Wacker Neuson 5000151149 Key A8X6X38 Square Ends Aisi 1045

The Wacker Neuson Key A8X6X38 Square Ends Aisi 1045 is a genuine OEM component designed for the CT36-400E walk-behind concrete power trowel. As a genuine Wacker Neuson part, the is manufactured to the exact material and dimensional standards of the original, ensuring a correct fit within the drivetrain assembly. This key is confirmed for use across CT36-400E trowel configurations, making it a straightforward like-for-like replacement when servicing your machine.

Key Features

• AISI 1045 Steel Construction — Manufactured from AISI 1045 medium-carbon steel, delivering the hardness and shear strength required to transmit torque reliably under continuous troweling loads.
• Square-End Profile for Positive Seating — The A8X6X38 square-end geometry seats flush within mating keyways, ensuring full contact along the key length for stable, rattle-free power transfer.
• Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, this component meets the same specifications as the part installed at the factory, with no dimensional guesswork.
• Direct Fitment for CT36-400E Trowels — Verified compatible with CT36-400E walk-behind concrete power trowel configurations, supporting accurate parts ordering and faster turnaround on repairs.
• Maintains Drivetrain Integrity — A worn or failed key allows shaft-to-hub slippage that can damage mating keyways and interrupt blade rotation — replacing it promptly protects surrounding drivetrain components from progressive wear.

A woodruff or parallel key like the 5000151149 acts as a precision interface between a rotating shaft and a hub or gear, locking them together so torque is transferred without slippage. In a concrete power trowel, this means the drive from the engine reaches the blade spider assembly cleanly and consistently — directly affecting finishing quality and blade speed stability. When a key shears or wears, the connection between shaft and hub loosens, causing erratic blade rotation, vibration, and accelerated damage to the keyway slots on both mating parts.

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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