Wacker Neuson 5000151104 Key A8X7X65, Sq. Ends, Aisi 1045

The Wacker Neuson is a genuine OEM Key A8X7X65, Sq. Ends, Aisi 1045 designed for CRT36 and CRT48 series ride-on concrete trowels. Sourced directly from Wacker Neuson, this key is manufactured to the same specifications as the original part installed at the factory, ensuring a correct, dependable fit in your machine. It is compatible across an extensive range of CRT36 and CRT48 configurations, including standard, high-speed, electric-drive, and electronic-steering variants. Confirming your model number before ordering ensures you receive the right key for your specific trowel setup.

Key Features

• Aisi 1045 Steel Construction — Machined from AISI 1045 medium-carbon steel, this key delivers the torsional strength and hardness needed to withstand the rotational loads of a ride-on trowel drivetrain.
• Square-End Profile — The sq. ends profile seats cleanly into mating keyways on both the shaft and hub, providing positive torque transfer without rocking or play.
• Genuine OEM Part — Supplied by Wacker Neuson as original equipment, part number 5000151104 meets the dimensional and material tolerances specified for CRT series trowels.
• Broad CRT Series Fitment — Fits a wide range of CRT36 and CRT48 ride-on trowel models, including standard, high-speed, wheel-kit, electric-drive, and electronic-steering configurations.
• Protects Shaft and Hub Integrity — A worn or undersized key allows shaft-to-hub slippage, which rapidly damages keyway surfaces on both components. Replacing a failed key promptly prevents costly shaft or hub replacement.

A woodruff or parallel key like the 5000151104 is the small but critical link between a rotating shaft and the hub or gear mounted on it. It sits in a machined slot — the keyway — and locks the two components together so they rotate as a single unit, transferring torque from the drivetrain to the trowel's working components. When a key shears, deforms, or wears loose, the shaft spins independently of the driven component, causing a loss of power transfer and progressive damage to the surrounding keyway surfaces. Replacing a failed key with the correct OEM part restores full torque transfer and prevents the more expensive secondary damage that follows continued operation with a compromised key.

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.