The Wacker Neuson is a genuine OEM Key 5/16 X 3/8 X 4 designed for the CRT46ASO ride-on concrete trowel. Sourced directly from Wacker Neuson, this key is manufactured to the exact dimensions and material grade specified for the original drivetrain assembly. Verified compatibility with the CRT46ASO makes a straightforward, confidence-inspiring choice when restoring your machine to proper working order.
Key Features
- Exact OEM Dimensions — Manufactured to the precise 5/16 x 3/8 x 4 specification, ensuring the key seats fully and transfers torque correctly without slop or misalignment.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, this key meets the same material hardness and shear-resistance standards as the original component it replaces.
- Direct-Fit for the CRT46ASO — Confirmed fitment for the CRT46ASO ride-on concrete trowel; drops into the keyway without filing, shimming, or additional machining.
- Protects Shaft and Hub Integrity — A correctly sized key prevents fretting and wear on both the shaft and hub keyways, extending the service life of the components it connects.
- Critical Drive-Train Safety — A worn or undersized key can allow relative movement between rotating components, leading to loss of drive engagement on a live concrete trowel — a genuine operational hazard on the finishing floor.
A woodruff or parallel drive key is a small but critical component that locks a rotating shaft to a hub, pulley, or gear, ensuring both turn as a single unit and that torque is transferred without slipping. In a ride-on concrete trowel like the CRT46ASO, the key sits in a machined slot shared between the shaft and the mating component; if the key shears, deforms, or wears oversize in its keyway, the drive connection becomes loose or fails entirely, resulting in loss of trowel blade rotation at the worst possible moment during a concrete finish pass. Replacing a worn key promptly with the correct OEM-dimensioned part restores full, solid drive engagement and prevents secondary damage to the surrounding keyway surfaces.
Part Details
| Part Number | 5000113757 |
|---|---|
| Old Part Number | 0113757 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Key 5/16 X 3/8 X 4 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.
