Description
Generac GP3500iO Portable Inverter Generator – Model G007128
The Generac GP3500iO open frame inverter generator is designed for portable power with quieter, smarter performance. Delivering 3500 starting watts and 3000 running watts, it features PowerRush™ Advanced Technology to deliver over 50% more starting capacity for motor-driven tools and appliances. With a lightweight, portable build and 50% reduced noise levels, it’s perfect for job sites, RV use, tailgating, or emergency home backup.
- PowerRush™ Advanced Technology: Delivers 50% more starting capacity for high-demand tools and appliances.
- Inverter Output: Produces clean, stable power ideal for sensitive electronics.
- 50% Quieter: Open-frame design runs at significantly lower noise levels than standard generators.
- 25% Lighter: Compact and easy to transport for mobile power needs.
- OHV Engine: Efficient, reliable engine with splash lubrication for long-term use.
- Compact Frame: Small footprint for storage and transport ease.
- Low Oil Shutdown: Protects the engine from damage by shutting off when oil is low.
Product Specifications
| Starting Watts: | 3500W |
| Running Watts: | 3000W |
| Model Number: | 7128 |
| Fuel Type: | Gasoline |
| Enclosure: | Open Frame |
| Noise Level: | 50% quieter than standard generators |
| Weight: | 74.3 lbs |
| Dimensions: | 19.3” L x 19.9” W x 16.4” H |
| Start Type: | Recoil |
| Voltage: | 120V |
| Low Oil Shutdown: | Yes |
| PowerRush™ Tech: | Yes |









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