The Wacker Neuson 5000154001 Worm Gear is a genuine OEM component designed for the CT36 and CT48 series walk-behind concrete power trowels. As a direct factory replacement, this part meets the original design specifications for the trowel's pitch adjustment mechanism. Fitment spans a wide range of CT36 and CT48 models, including the CT36-5A, CT36-6, CT36-8A, CT36-8A-V, CT36-9, CT36-9-V, CT36-400E, CT48-8A, CT48-11A, CT48-13A-V, and CT48-9, among others. Sourcing the correct OEM worm gear is critical to maintaining consistent blade pitch control and protecting the surrounding drive components.
Key Features
- Genuine OEM Gear Geometry — Manufactured to the original tooth profile and lead angle specifications, ensuring correct mesh with the mating worm shaft and smooth pitch adjustment under load.
- Drop-In Replacement — Engineered to the same dimensions as the original, allowing direct installation into CT36 and CT48 trowel pitch adjustment assemblies without secondary machining or fitting.
- Broad CT-Series Fitment — Covers CT36 and CT48 model variants including -5A, -6, -8A, -8A-V, -9, -9-V, -11A, -13A-V, -400E, and walk-behind X-series configurations.
- Protects Adjacent Drive Components — A worn or damaged worm gear accelerates wear on the worm shaft and housing. Replacing it at the first sign of slippage or stiffness prevents more costly assembly damage.
- Pitch Control Precision — A correctly functioning worm gear lets the operator dial in blade pitch accurately, directly affecting surface finish quality and finishing speed on fresh concrete.
The worm gear in a walk-behind concrete power trowel is a key part of the pitch adjustment mechanism that controls the angle of the finishing blades relative to the concrete surface. By converting the rotation of the adjustment handle or actuator into precise linear movement, the worm gear allows the operator to increase or decrease blade pitch on the fly, which governs the aggressiveness of the finish and the machine's forward or backward drift. When this gear wears or strips, pitch adjustment becomes inconsistent or locks up entirely, making it impossible to achieve a uniform finish and potentially damaging the pitch spider and spider arms in the process.
Part Details
| Part Number | 5000154001 |
|---|---|
| Old Part Number | 0154001 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Worm Gear |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| 915mm/36in, Walk-Behind Trowel | CT36-X | 5000620036 |
| 915mm/36in, Walk-behind Trowel | CT36-X-C | 5000620039, 5200015336 |
| CT36-5A | CT36-5A EU | 5000620829 |
| CT36-5A Trowel | CT36-5A | 5000009438, 5200016256 |
| CT36-5A-C Trowel | CT36-5A-C | 5000620040 |
| CT36-6 | CT36-6 | 5000620830, 5000009443 |
| CT36-8A | CT36-8A | 5000620831, 5000009439 |
| CT36-8A-V | CT36-8A-V | 5000620832, 5000009442 |
| CT36-9 | CT36-9 | 5000620833, 5000009444 |
| CT36-9-V Trowel | CT36-9-V | 5000009447, 5000620834 |
| CT36-400E Trowel | CT36-400E | 5000009448, 5000620828 |
| CT48-8A | CT48-8A EU | 5000620837 |
| CT48-8A Trowel | CT48-8A | 5000009449 |
| CT48-9 Trowel | CT48-9 | 5000009453, 5000620838 |
| CT48-11A Trowel | CT48-11A | 5000009450, 5000620835 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
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.
