The Wacker Neuson Nut 3/4-6 Acme Thread, Long Al. is a genuine OEM component designed for the CT30, CT36, and CT48 series walk-behind concrete power trowels. As a direct Wacker Neuson OEM part, is manufactured to the same specifications as the original hardware installed at the factory, ensuring correct thread engagement and secure mechanical connection. This nut fits an extensive range of CT-series trowel configurations, including gas, diesel, electric, and variable-speed models in 30-inch, 36-inch, and 48-inch blade diameters. Whether you are servicing a standard CT30ADT, a CE-marked CT36AGT-E, or a CT48AVT variable-speed unit, this is the correct replacement nut for your machine.
Key Features
- Genuine OEM Thread Specification — The 3/4-6 Acme thread form is precisely cut to OEM spec, ensuring full thread engagement and consistent clamping force on the trowel assembly.
- Aluminum Construction — Lightweight aluminum material reduces rotating mass and resists corrosion in the wet, abrasive environment of active concrete finishing work.
- Drop-In Hardware Replacement — Matches the original fastener dimensions exactly, so it seats and torques correctly without modification to the mating components.
- Broad CT-Series Compatibility — Confirmed fitment across CT30, CT36, and CT48 walk-behind trowel models, including gas, diesel, electric, and variable-speed variants in both standard and CE configurations.
- Maintains Structural Integrity of the Trowel Drive — A worn or damaged Acme thread nut can cause pitch adjustment instability and uneven blade contact; replacing it promptly keeps the trowel producing a consistent, flat finish.
The 3/4-6 Acme thread nut is a critical fastener used in the pitch adjustment or drive assembly of the walk-behind concrete trowel. Acme-form threads are chosen for this application because their trapezoidal profile handles the high axial loads and repeated adjustment cycles that concrete finishing demands far better than standard V-form threads. When this nut wears or strips, the operator loses the ability to set and hold correct blade pitch, which leads to uneven surface finishing, increased blade wear, and potential loss of control over the trowel — making timely replacement essential to both finish quality and safe operation.
Part Details
| Part Number | 5000073443 |
|---|---|
| Old Part Number | 0073443 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nut 3/4-6 Acme Thread, Long Al. |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 762mm/30in CE Walk-behind Trow el | CT30AGT-E | 5000007589, 5000008004 |
| 762mm/30in CE Walk-behind Trow el | CT30AGT | 5000008006, 5000008003 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT-E | 5000007587, 5000008002 |
| 1220mm/48in CE Walk-behind Tro wel | CT48AGT-E | 5000007601, 5000008020 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT | 5000008005, 5000008001, 5000008197 |
| 1220mm/48in Walk-behind Trowel | CT48AGT | 5000008019, 5000008041 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT-E | 5000007590, 5000008008, 5000008226 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT-E | 5000007594, 5000008012 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADT-E | 5000007597, 5000008016 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT | 5000008013, 5000008007, 5000008198, 5000008225, 5000009480 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT | 5000008014, 5000008011 |
| 1220mm/48in Walk-behind Trowel | CT48ADT | 5000008015, 5000008040 |
| 1220mm/48in Walk-behind Trowel | CT48BDT | 5000008017 |
| 915mm/36in Walk-behind Trowel | CT36BDT | 5000008009 |
| 1220mm/48in Variable Speed Wal k-behind Trowel | CT48AVT | 5000009217, 5000009218 |
| 915mm/36in CE Electric Walk-be hind Trowel | CT36EDT | 5000009064 |
| 762mm/30in CE Electric Walk-be hind Trowel | CT30EDT | 5000009063 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVT | 5000009233, 5000009234 |
| 915mm/36in Walk-behind Trowel | CT36BDT-E | 5000008010 |
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.