The Wacker Neuson Worm Drive Shaft is a genuine OEM component designed for the CT36 and CT48 series walk-behind concrete power trowels. As a direct OEM replacement, this shaft is produced to the same specifications as the original, ensuring proper mesh, torque transfer, and fitment within the trowel's drive system. Compatible with a wide range of CT-series models including the CT36-5A, CT36-6, CT36-8A, CT36-9, CT36-400E, CT48-8A, CT48-9, CT48-11A, and CT48-13A-V, this part covers both standard and variant configurations across the CT36 and CT48 families. Sourcing a genuine Wacker Neuson part means you're getting the right component the first time — no guesswork, no adapting.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to the original worm gear pitch and shaft tolerances, ensuring correct gear engagement and smooth torque transmission through the drive system.
- Drop-In Drive System Replacement — Engineered to install directly into the existing trowel gearbox housing without modification, maintaining proper alignment with the worm gear assembly.
- Broad CT-Series Compatibility — Fits a wide span of CT36 and CT48 walk-behind power trowel models, including 5A, 6, 8A, 9, 11A, 13A-V, 400E, and X-series variants.
- Restores Full Drive Performance — A worn or damaged worm drive shaft causes erratic blade rotation, loss of finishing consistency, and increased wear on adjacent gearbox components; replacing it restores smooth, even blade drive.
- Verified Part Number — Confirm compatibility using part number 5000163928 against your machine's serial number and model designation before ordering.
The worm drive shaft is a core element of the power trowel's gearbox, translating engine output into the rotational force that drives the finishing blades across the concrete surface. Working in mesh with the worm gear, this shaft governs the speed reduction and torque multiplication needed for consistent blade pressure and finish quality. When the worm drive shaft wears or fails, blade rotation becomes uneven or stops entirely, leading to poor surface finish, increased operator effort, and potential damage to surrounding gearbox components.
Part Details
| Part Number | 5000163928 |
|---|---|
| Old Part Number | 0163928 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Worm Drive Shaft |
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 |
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.