The Wacker Neuson Centrifugal Clutch Spring is a genuine OEM component designed for the CT30, CT36, and CT48 series walk-behind concrete power trowels. Sourced directly from Wacker Neuson, this spring carries the same part number and specification as the original installed at the factory. It fits an extensive range of CT-series trowel configurations including gas, diesel, and electric-start variants across 30 in., 36 in., and 48 in. blade diameter models. When your clutch engagement feels inconsistent or the spring shows signs of fatigue or breakage, part number is the correct OEM replacement to restore proper operation.
Key Features
- Genuine OEM Spring Tension Specification — Manufactured to the exact tension rating required for consistent centrifugal clutch engagement on Wacker Neuson CT-series trowels.
- Direct-Fit Centrifugal Clutch Replacement — Installs directly into the centrifugal clutch assembly without modification, retaining the original spring seat geometry and engagement profile.
- Broad CT-Series Compatibility — Fits CT30, CT36, and CT48 walk-behind power trowel families across gasoline, diesel, and electric-start configurations in both standard and CE variants.
- Smooth, Progressive Blade Engagement — A correctly tensioned clutch spring allows the trowel blades to engage smoothly at the correct engine RPM, supporting consistent finishing results across the full slab.
- Fuel System Safety Relevance — Proper clutch spring function ensures blades disengage fully at idle, reducing unintended blade movement when the operator is repositioning or stopping work.
The centrifugal clutch spring is a critical component within the clutch assembly of a walk-behind concrete power trowel. It controls the RPM threshold at which the clutch shoes engage the drum and begin rotating the trowel blades — when engine speed rises above idle, the spring tension is overcome by centrifugal force, bringing the blades up to working speed. A worn, fatigued, or broken spring throws off this engagement point, causing erratic blade spin at idle, sluggish engagement at operating speed, or complete failure to transmit power to the rotor. Replacing a failed spring with the correct OEM part restores the designed engagement curve and keeps the trowel operating safely and predictably.
Part Details
| Part Number | 5000074023 |
|---|---|
| Old Part Number | 0074023 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Centrifugal Clutch Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-8A Trowel | CT36-8A | 5000009439, 5000620831 |
| CT48-8A Trowel | CT48-8A | 5000009449 |
| CT48-11A Trowel | CT48-11A | 5000009450 |
| CT48-8A | CT48-8A EU | 5000620837 |
| CT36-5A Trowel | CT36-5A | 5000009438, 5200016256 |
| CT36-5A | CT36-5A EU | 5000620829 |
| 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 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP | 5000007596, 5000007595 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP-E | 5000008036, 5000008026 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP | 5000007592, 5000007591 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP-E | 5000008034, 5000007697 |
| 1220mm/48in Walk-behind Trowel | CT48AGP | 5000007602, 5000007603 |
| 1220mm/48in CE Walk-behind Tro wel | CT48AGP-E | 5000008031, 5000008032 |
| 1220mm/48in Walk-behind Trowel | CT48ADP | 5000007598, 5000007599, 5000008199 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADP-E | 5000008027, 5000008028 |
| 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 |
| 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.
