The Wacker Neuson Spring is a genuine OEM Spring designed for a wide range of Wacker Neuson equipment, including the CT36BDT and CT36BDT-E walk-behind concrete trowels, PT2B centrifugal trash pump, PD3B diaphragm pump, PDT2B diaphragm trash pumps, and B 3000 and B 5000 gasoline power units for internal vibrators. As a direct factory replacement, this spring is manufactured to the exact specifications of the original part, ensuring correct function across every compatible model it serves. Cross-reference your machine's model number against the fitment list before ordering to confirm compatibility.
Key Features
- Genuine OEM Specification: — Manufactured to the exact tension, coil diameter, and material grade as the original, so spring force and travel remain within the design envelope of your machine.
- Drop-In Replacement: — Matches the original mounting points and free length, allowing direct installation without modification to surrounding hardware or housings.
- Broad Fitment Coverage: — A single part number covers the CT36BDT and CT36BDT-E trowels, PT2B and PD3B pumps, PDT2B diaphragm trash pumps, and B 3000 / B 5000 gasoline power units — useful for fleet operators running multiple Wacker Neuson machine types.
- Maintains Correct Operating Tension: — A spring that has fatigued, stretched, or broken will allow components it engages to move outside their intended range, causing erratic operation or premature wear on adjacent parts. This OEM replacement restores the designed return force.
- Sourced from Wacker Neuson: — Supplied as part 5000020491 through the authorized parts channel, so you receive the identical component that shipped with the machine at the factory.
A spring is a precision-loaded mechanical component that stores and releases energy to return a part to its rest position, hold tension between two components, or absorb shock in a moving assembly. In equipment like concrete trowels, pumps, and engine-driven power units, springs are commonly found in throttle linkages, valve assemblies, governor mechanisms, and clutch systems — any location where consistent return force or preload is required. When a spring weakens or breaks, the component it controls can stick, over-travel, or fail to engage correctly, which typically shows up as inconsistent speed control, poor starting, or mechanical noise before a more serious failure develops.
Part Details
| Part Number | 5000020491 |
|---|---|
| Old Part Number | 0020491 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Walk-behind Trowel | CT36BDT | 5000008009 |
| 50mm/2in Centrifugal Trash Pum p | PT2B | 5000006722 |
| Gasoline Power Unit for Intern al Vibrator | B 3000 | 5000005829 |
| Gasoline Power Unit for Intern al Vibrator | B 5000 | 5000007522, 5000006307 |
| 915mm/36in Walk-behind Trowel | CT36BDT-E | 5000008010 |
| 75mm/3in Diaphragm Pump | PD3B | 5000006802 |
| 50mm/2in Diaphragm Trash Pump | PDT2B | 5000007612, 5000007613 |
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.
