The Wacker Neuson Friction Spring is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including CT36-9 and CT48-9 concrete power trowels, BFS floor saws, GP4000 portable generators, PT3 trash pumps, and the BPU 3050 reversible vibratory plate compactor. Sourced directly from Wacker Neuson, this friction spring meets the exact specifications of the original part it replaces, ensuring a direct installation fit across all compatible models. Whether you are servicing a concrete finishing machine on a slab job or keeping a floor saw running through a demanding cut schedule, part number delivers the consistency you need from a genuine OEM component. Cross-reference your model number before ordering to confirm fitment.
Key Features
- Genuine OEM Spring Tension Consistency — Manufactured to Wacker Neuson's original tension and material specification, ensuring the spring delivers the correct friction resistance it was engineered to provide in each application.
- Drop-In Installation — Matches the original mounting points and geometry, allowing the spring to seat correctly without modification across all listed model variants.
- Broad Cross-Family Fitment — Compatible with CT36-9 and CT48-9 power trowels, BFS 935B, BFS 914B, BFS 940W, BFS 90R, BFSX 90R, BFSX16, and BFS16 floor saws, GP4000 portable generators, PT3 trash pumps, and the BPU 3050 reversible vibratory plate compactor.
- Maintains Correct Operational Resistance — A worn or fatigued friction spring can result in inconsistent control response or unwanted play in the mechanism; replacing with a correctly rated OEM spring restores proper feel and control.
- Verified Genuine OEM Part — Part number 5000156609 is an authentic Wacker Neuson component, giving you confidence that the part leaving the warehouse matches what was fitted at the factory.
A friction spring is a tensioned spring element used to apply controlled resistance or braking force within a mechanical assembly — commonly found in throttle linkages, control levers, hinged covers, or rotating mechanisms. Its role is to maintain a set position, resist unwanted movement, or provide tactile feedback to the operator during adjustment. When a friction spring loses its tension, cracks, or breaks, the affected mechanism may feel loose, fail to hold position, or operate unpredictably — all of which can affect both machine performance and operator confidence. Replacing a fatigued friction spring promptly with a correct OEM-spec part restores the intended control feel and mechanical stability of the assembly.
Part Details
| Part Number | 5000156609 |
|---|---|
| Old Part Number | 0156609 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Friction Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-9-V Trowel | CT36-9-V | 5000009447, 5000620834 |
| PT3 Pump | PT3 | 5000009321, 5000009322, 5000009323 |
| CT36-9 Trowel | CT36-9 | 5000009444, 5000620833 |
| CT48-9 Trowel | CT48-9 | 5000009453, 5000620838 |
| Premium Portable Generator | GP4000 | 5000620090, 5000620380, 5000620977, 5000620978, 5000620089 |
| BFS 935 SAW,BASIC | BFS 935B | 5000008911 |
| Floor Saw | BFS16 | 5000630098 |
| Gasoline Reversible Vibratory Plate | BPU 3050 | 5000008955 |
| Floor Saw | BFS 90R | 5000009522 |
| Floor Saw | BFSX 90R | 5000009525 |
| BFS 914B SAW | BFS 914B | 5000610093 |
| Petrol Floor Saw BFS 940W | BFS 940W | 5000610328, 5100004005 |
| Floor Saw | BFSX16 | 5000630248 |
| Floor Saw | BFS 914W | 5100004003 |
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.