Description
Generac 18kW Standby Generator – Model G0072260
The Generac Guardian Series 18kW Air-Cooled Standby Generator delivers dependable backup power when you need it most. Built with Generac’s pressure-lubricated G-Force engine, this unit restores power to essential circuits or your entire home within seconds of an outage. Its durable aluminum enclosure, quiet operation, and remote monitoring features make it ideal for year-round, whole-home protection.
- True Power™ Technology: Less than 5% total harmonic distortion for safe operation of sensitive electronics.
- Generac G-Force Engine: Pressure-lubricated, purpose-built engine for generator use with minimal maintenance.
- Evolution™ Controller: Multilingual LCD display tracks battery status and maintenance intervals.
- RhinoCoat™ Enclosure: Powder-coated aluminum resists corrosion and extreme weather.
- Quiet-Test™ Mode: Runs weekly self-test at reduced RPMs for lower noise and fuel usage.
- Mobile Link™ Remote Monitoring: Check generator status from anywhere via smartphone, tablet, or PC.
- 5-Year Limited Warranty: Backed by Generac’s trusted service and support.
- Engineered & Assembled in the USA: Using domestic and foreign parts.
Product Specifications
| Power Output (LP/NG): | 18,000W / 17,000W |
| Model Number: | G0072260 |
| Fuel Type: | Natural Gas / Liquid Propane |
| Enclosure: | Aluminum w/ RhinoCoat™ |
| Noise Level: | 65 dB (Normal Load), 55 dB (Exercise) |
| Cooling: | Air Cooled |
| Dimensions: | 48” L x 25” W x 29” H |
| Weight: | 420 lbs |
| Engine: | Generac G-Force 800 Series – 816cc |
| Voltage: | 240V |
| Main Breaker: | 100A (transfer switch sold separately) |
| Fuel Consumption (50% Load): | NG: 169 ft³/hr, LP: 1.70 gal/hr |
| Battery Requirement: | 12V Group 26R (540 CCA) or Group 35AGM (650 CCA) – not included |












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