Description
Generac GP18000EFI Portable Generator – Model G0089170
Designed for serious backup power and high-demand jobsite use, the Generac GP18000EFI delivers 18,000 running watts and 22,500 starting watts in a rugged portable frame. Featuring COsense® carbon monoxide detection, an efficient 816cc EFI engine, and electric start with onboard battery, this generator is built for reliable performance in demanding conditions.
- COsense® Technology: Automatically shuts down the unit when unsafe carbon monoxide levels are detected.
- Electronic Fuel Injection (EFI): Optimized fuel efficiency and improved power delivery for consistent output.
- TruePower™ Technology: Delivers clean electricity with less than 5% THD – safe for sensitive devices and tools.
- Electric Start: Quick startup with the included Group U1 battery – no pulling required.
- Low-Oil Shutdown: Engine protection system helps prevent costly damage due to low oil pressure.
- 14.2-Gallon Fuel Tank: Runs up to 9 hours at 50% load with easy-to-read fuel gauge.
- Heavy-Duty Frame: 1¼” hardened steel tube cradle for durability in tough conditions.
- Portability: 12″ never-flat wheels with folding, locking handles for transport and storage.
Product Specifications
| Running Watts: | 18,000W |
| Starting Watts: | 22,500W |
| Model Number: | G0089170 |
| Engine: | Generac OHVI, 816cc EFI |
| Voltage: | 120/240 VAC |
| Frequency: | 60 Hz |
| Starting Method: | Electric (battery included) |
| Fuel Type: | Gasoline |
| Fuel Tank Capacity: | 14.2 gallons |
| Run Time @ 50% Load: | 9 hours |
| Low Oil Shutdown: | Yes – Low Pressure |
| Automatic Voltage Regulation: | Yes |
| Wheels: | 12″ Never-Flat |
| Dimensions: | 58.5″ L x 30.9″ W x 36.5″ H |
| Unit Weight: | 442.8 lbs |













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