The Wacker Neuson Needle Valve is a genuine OEM component designed for use across a range of Wacker Neuson equipment, including CT36BDT and CT36BDT-E 915mm/36in walk-behind power trowels, PT2B and PDT2B 50mm/2in trash and diaphragm pumps, and B 3000 and B 5000 gasoline power units for internal vibrators. As a direct OEM part, the is manufactured to Wacker Neuson's exact specifications, ensuring a correct, hassle-free installation without guesswork. This needle valve plays a critical role in fuel system regulation across all compatible machines, and sourcing the genuine article means the fit, material grade, and dimensional tolerances are precisely matched to the original. Keep a spare on hand to minimize unplanned service interruptions across your fleet of Wacker Neuson equipment.
Key Features
- Fuel System Precision: — Manufactured to OEM tolerances for correct needle-to-seat sealing, ensuring consistent fuel metering and preventing rich-running or fuel flooding conditions.
- Drop-In Installation: — Dimensionally identical to the original valve, the 5000077029 seats and threads directly into the carburetor body with no rework or adaptation needed.
- Broad Cross-Equipment Fitment: — Confirmed compatibility with CT36BDT and CT36BDT-E walk-behind trowels, PT2B and PDT2B trash and diaphragm pumps, and B 3000 and B 5000 gasoline power units for internal vibrators.
- Fuel Leak Prevention: — A correctly functioning needle valve holds a positive seal when the float chamber is full, preventing overflow, fuel waste, and the fire risk associated with carburetor flooding.
- Genuine OEM Sourcing: — Supplied under Wacker Neuson part number 5000077029, this is an authentic replacement that meets the same material and quality standards as the component originally installed at the factory.
The needle valve is a small but essential component inside the carburetor's float chamber. It works together with the float to regulate fuel flow into the chamber — opening to allow fuel in when the level drops and closing to cut off flow once the correct level is reached. When the needle valve wears, sticks, or fails to seat properly, the carburetor can flood, causing hard starts, rough running, excessive fuel consumption, or an engine that refuses to idle cleanly. Replacing a worn 5000077029 Needle Valve restores proper fuel metering and gets the affected machine running at its intended performance level.
Part Details
| Part Number | 5000077029 |
|---|---|
| Old Part Number | 0077029 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Needle Valve |
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 |
| 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.
