The Wacker Neuson is a genuine OEM Key 3/16 X 2 designed for the CRT36 and CRT46 series ride-on concrete trowels. As a factory-sourced component, it is manufactured to the exact dimensional tolerances required for proper shaft and gear engagement in the trowel's drive system. This part is confirmed to fit the CRT36ASO, CRT36ASN, and CRT46ASO models. Keeping this small but critical component in good condition is essential to maintaining consistent power transmission through the drivetrain.
Key Features
- Genuine OEM Dimensional Accuracy — Factory-sourced to the exact 3/16 x 2 specification, ensuring the key seats flush in its keyway without play or misalignment in the shaft assembly.
- Direct Drop-In Replacement — Matches the original slot geometry on CRT36 and CRT46 drive shafts, allowing straightforward installation without modification to mating components.
- Fits CRT36 and CRT46 Series — Compatible with the CRT36ASO, CRT36ASN, and CRT46ASO 915mm/36-inch and 46-inch ride-on concrete trowel models.
- Secure Power Transmission — A properly fitted key locks rotating components to their shaft, transferring torque cleanly. A worn or sheared key causes slippage, erratic blade speed, and uneven trowel finishing.
- Drive System Safety — A failed key can allow unexpected disengagement of rotating trowel components; replacing a worn key promptly keeps the drive system mechanically secure during operation.
A woodruff or square drive key is a small precision fastener that interlocks a rotating component — such as a pulley, sprocket, or gear — with its shaft. It fits into matching keyways machined into both the shaft and the hub, preventing the two parts from rotating independently of each other. When a key shears or wears, torque can no longer be reliably transferred, resulting in slipping, loss of blade speed control, or complete disengagement of the driven component — all of which directly compromise finish quality and machine reliability on a concrete pour.
Part Details
| Part Number | 5000087866 |
|---|---|
| Old Part Number | 0087866 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Key 3/16 X 2 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Ride-On Trowel, ove rlapping | CRT36ASO | 5000007512 |
| 915mm/36in Ride-On Trowel, non #NAME? | CRT36ASN | 5000007513 |
| CRT46ASO | CRT46ASO | 5000007514 |
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.
