The Wacker Neuson Key is a genuine OEM component designed for the CT36 and CT48 walk-behind concrete power trowel series. As a direct-from-manufacturer part, it meets the original design specification and installs exactly as the factory-fitted piece. This Key is confirmed compatible across a wide range of CT36 and CT48 trowel configurations, including the CT36-5A, CT36-6, CT36-8A, CT36-9, CT36-400E, CT48-8A, CT48-9, CT48-11A, and CT48-13A-V models. Ordering by part number ensures you receive the correct key for your specific machine.
Key Features
- Genuine OEM Construction: — Manufactured to the original dimensional and material specification, ensuring a consistent, repeatable fit within the trowel's keyed shaft or switch assembly.
- Drop-In Installation: — Machined to match the original keyway geometry, so the part seats correctly without filing, shimming, or secondary machining.
- Broad CT-Series Compatibility: — Confirmed fitment across CT36 and CT48 trowel families, including standard, vari-pitch, EU, and walk-behind X-series configurations.
- Preserves Power Transfer Integrity: — A worn or missing key allows shaft slippage that disrupts torque delivery to the trowel blades; replacing it promptly restores full rotor engagement and finish quality.
- Sourced Direct from Wacker Neuson: — Backed by the manufacturer's parts program, so you can verify authenticity using part number 5000158850 against your machine's parts manual.
A key is a small, precisely sized piece that locks a rotating shaft to a hub, gear, or pulley, preventing slippage between the two components during operation. On a walk-behind concrete power trowel, correct keying ensures that engine power is transmitted cleanly through the drivetrain to the trowel blades, maintaining consistent blade speed and finishing pressure across the slab. When a key shears or wears, the shaft can spin independently of the driven component, causing a sudden loss of blade rotation, uneven finishing, and potential secondary damage to the keyway itself if the machine is run in that condition.
Part Details
| Part Number | 5000158850 |
|---|---|
| Old Part Number | 0158850 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Key |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-8A-V | CT36-8A-V | 5000620832, 5000009442 |
| CT36-8A Trowel | CT36-8A | 5000009439, 5000620831 |
| CT48-8A Trowel | CT48-8A | 5000009449 |
| CT48-11A Trowel | CT48-11A | 5000009450, 5000620835 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
| CT48-8A | CT48-8A EU | 5000620837 |
| CT36-400E Trowel | CT36-400E | 5000009448, 5000620828 |
| CT36-5A Trowel | CT36-5A | 5000009438, 5200016256 |
| CT36-5A | CT36-5A EU | 5000620829 |
| CT36-9-V Trowel | CT36-9-V | 5000009447, 5000620834 |
| CT36-5A-C Trowel | CT36-5A-C | 5000620040 |
| CT36-9 Trowel | CT36-9 | 5000009444, 5000620833 |
| CT36-6 Trowel | CT36-6 | 5000009443, 5000620830 |
| CT48-9 Trowel | CT48-9 | 5000009453, 5000620838 |
| 915mm/36in, Walk-Behind Trowel | CT36-X | 5000620036 |
| 915mm/36in, Walk-behind Trowel | CT36-X-C | 5000620039, 5200015336 |
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.
