The Wacker Neuson Camshaft is a genuine OEM Camshaft designed for the GPS9700, GPS8500, GS8.5V, and GS9.7V series portable generators. As a direct OEM component sourced from Wacker Neuson, it meets every original design specification for these machines — no guesswork on fit or function. Confirmed fitment spans multiple GPS9700 and GPS8500 configurations, including electric start and premium portable generator variants. Keep this part number on hand for any scheduled engine rebuild or unplanned valve-train service.
Key Features
- Genuine OEM Cam Profile Accuracy — Machined to the exact lift and duration specifications of the original, ensuring correct valve timing and fuel-air charge management across the full RPM range.
- Direct Drop-In Replacement — Engineered to the original bearing journal dimensions and gear interface, so it seats and aligns within the engine block without any modification to mating components.
- Broad GPS/GS Series Compatibility — Fits GPS9700, GPS8500, GS8.5V, and GS9.7V portable generator models, covering both electric start and premium configuration variants.
- Consistent Power Output Protection — A correctly profiled camshaft keeps valve timing precise, sustaining rated wattage output and preventing rough running, misfires, or loss of load capacity under demand.
- Engine Longevity at Rebuild — Replacing a worn camshaft during service restores proper valve lift and timing, protecting the entire valve train from accelerated wear caused by a degraded lobe surface.
The camshaft is a core rotating component inside a four-stroke engine that controls when the intake and exhaust valves open and close. As the crankshaft turns, it drives the camshaft through a gear set, and the lobes on the camshaft push against the valve train to let the air-fuel mixture in and exhaust gases out at precisely the right moments. When a camshaft wears or fails — typically through lobe wear or journal damage — valve timing drifts, causing hard starting, rough running, reduced power, and excessive fuel consumption. On a portable generator, where stable engine speed directly determines output voltage and frequency, a worn camshaft can make the unit unable to hold steady power under load.
Part Details
| Part Number | 5000209172 |
|---|---|
| Old Part Number | 0209172 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Camshaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator with Electr ic Start | GPS9700 | 5000008287, 5000620264, 5200005042, 5000620973, 5100036768 |
| Portable Generator with Electr ic Start | GPS8500 | 5000008286 |
| Portable Generator with Electr ic Start | GS8.5V | 5000007661 |
| Portable Generator with Electr ic Start | GS9.7V | 5000007662 |
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.
