The Wacker Neuson Choke Shaft is a genuine OEM component designed for a range of Wacker Neuson equipment including the GS8.5V and GPS8500 portable generators, PTS4V centrifugal trash pumps, and the RD11V and RD880V double drum vibratory rollers. As a direct OEM replacement, this choke shaft is manufactured to the exact tolerances and material specifications of the original part, ensuring it installs and operates exactly as intended. Sourced directly through Wacker Neuson's authorized parts network, part number is the correct specification for all listed models. If your machine is experiencing hard starting, an unresponsive choke lever, or erratic cold-start behavior, replacing the choke shaft with a genuine OEM part is the right first step.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's exact material and dimensional specifications, delivering the correct choke shaft geometry for consistent choke plate engagement and release.
- Direct Drop-In Replacement: — Designed to fit the original choke housing bore and linkage connection points, so installation follows the same procedure as the factory-fitted part.
- Broad Model Compatibility: — Confirmed fitment across the GS8.5V and GPS8500 portable generators, PTS4V trash pumps, and RD11V and RD880V vibratory rollers — one part number covering multiple machine families.
- Restores Reliable Cold-Start Performance: — A worn or damaged choke shaft allows uncontrolled air bleed into the carburetor, making cold starts difficult and inconsistent. A new shaft restores proper choke plate control for clean, confident engine starts.
- Fuel System Integrity: — A correctly functioning choke shaft keeps the fuel-air mixture properly enriched during cold-start sequences, protecting the engine from lean-start wear over time.
The choke shaft is the mechanical link between the choke control lever and the choke plate inside the carburetor. When you activate the choke, the shaft rotates to close the choke plate, restricting airflow and enriching the fuel-air mixture so the engine can fire easily in cold conditions. Over time, the shaft can wear, corrode, or develop play in its bore, causing the choke plate to sit at the wrong angle — leading to hard starting, rough idling, or excessive fuel consumption on cold start-up. Replacing a worn choke shaft with a genuine OEM part restores full, precise control of the choke plate and gets your equipment starting first time, every time.
Part Details
| Part Number | 5000079171 |
|---|---|
| Old Part Number | 0079171 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Choke Shaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator with Electr ic Start | GS8.5V | 5000007661 |
| 100mm/4in Centrifugal Trash Pu mp | PTS4V | 5000007691, 5000007683 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Portable Generator with Electr ic Start | GPS8500 | 5000008286 |
| Double Drum Vibratory Roller | RD880V | 5000006736 |
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.