Wacker Neuson 5000087971 Flex Shaft Coupling

The Wacker Neuson Flex Shaft Coupling is a genuine OEM component designed for the CRT36ASO and CRT36ASN 915mm/36in Ride-On Concrete Trowels. Sourced directly from Wacker Neuson, this coupling delivers the exact fit and material specification required to keep your ride-on trowel performing at full capacity. It is the correct factory-specified part for both the overlapping and non-overlapping CRT36 configurations. Confirm your model number before ordering to ensure a precise match.

Key Features

• Genuine OEM Construction: — Manufactured to Wacker Neuson's original material and dimensional tolerances, ensuring the flex element absorbs torsional load correctly without premature fatigue.
• Direct-Fit Replacement: — Engineered to install into the existing shaft drive assembly of the CRT36 without modification to mounts or adjacent components.
• Confirmed CRT36 Fitment: — Verified for the CRT36ASO (overlapping) and CRT36ASN (non-overlapping) 915mm/36in Ride-On Concrete Trowels.
• Smooth Power Transfer: — A correctly functioning flex shaft coupling transmits drive torque while accommodating minor shaft misalignment, protecting the drivetrain from vibration-induced stress.
• Drivetrain Protection: — A worn or failed coupling causes vibration, erratic trowel blade rotation, and accelerated wear on shafts and bearings — replacing it promptly protects surrounding components.

The flex shaft coupling connects the drive source to the rotating trowel arm assembly, transmitting torque while absorbing the vibration and minor angular misalignment that are inherent in concrete finishing operations. The flexible element within the coupling acts as a buffer, preventing shock loads from traveling back through the drivetrain and damaging more costly components such as gearboxes and bearings. When the coupling wears or cracks, operators will typically notice increased vibration, uneven blade speed, or audible clatter — all signs that immediate replacement is needed to avoid further drivetrain 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.