The Wacker Neuson Spring is a genuine OEM component designed for a range of Wacker Neuson equipment, including the CT36BDT and CT36BDT-E 915mm/36in walk-behind concrete trowels, the PT2B 50mm/2in centrifugal trash pump, the PD3B 75mm/3in diaphragm pump, and the B 3000 and B 5000 gasoline power units for internal vibrators. As a direct genuine OEM replacement, this spring is sourced and specified to the same standards as the original part fitted at the factory. With coverage across multiple machine families — concrete finishing, fluid transfer, and concrete vibration — this single part number serves a broad range of Wacker Neuson equipment in the field.
Key Features
- Genuine OEM Tension and Load Spec — Manufactured to the exact spring rate and free-length dimensions specified by Wacker Neuson, ensuring correct tension and response within the assembly.
- Drop-In Replacement — Engineered to seat and secure exactly as the original, with no reworking of mounting points or adjacent hardware required.
- Broad Fitment Across Machine Families — Confirmed fit for CT36BDT and CT36BDT-E walk-behind trowels, PT2B trash pump, PD3B diaphragm pump, and B 3000/B 5000 gasoline power units for internal vibrators.
- Sustained Return Force — A correctly functioning spring maintains consistent return action or clamping load in its assembly; a fatigued or broken spring leads to erratic operation, component misalignment, or failure to engage.
- Genuine Wacker Neuson Part — Carries the full Wacker Neuson OEM designation, backed by the manufacturer's parts program for traceability and quality assurance.
A spring serves as a mechanical energy-storage element within an assembly, providing consistent return force, preload, or clamping pressure to keep components correctly positioned during operation. Depending on its location in the machine — whether in a control linkage, a pump valve, or a power unit governor mechanism — it ensures that moving parts return to their rest position reliably after each cycle. When a spring fatigues, takes a permanent set, or breaks, the affected assembly loses its correct response: controls may feel sloppy, valves may not seat fully, or mechanisms may fail to engage or disengage as intended. Replacing a worn spring promptly with the correct OEM part restores the assembly to its original operating behavior.
Part Details
| Part Number | 5000077039 |
|---|---|
| Old Part Number | 0077039 |
| 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 |
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.
