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The Campbell Hausfeld 3-in-1 air compressor/generator/welder (GR3100) is ideal for jobsites and work trucks. Designed for high output and industrial reliability, its two-stage, cast-iron air compressor fills twin 5-gallon air tanks, providing a total air capacity of 10 gallons and 14 CFM of airflow at 90 PSI to drive a wide variety of air tools. A robust generator provides 5,000 continuous watts of 120V and 240V AC power to operate most electric tools and lights. And a DC welder delivers a maximum of 180 amps of power to weld up to 1/2-inch thick steel. Powering it all is a Honda GX-390 engine that’s engineered to deliver a long operating life of economical, reliable performance. Built with safety in mind, this air compressor/generator has a control panel that’s UL certified and OSHA compliant; the electrical outlets are GFCI protected. A heavy-duty, 14-gauge steel belt guard is securely bolted to the unit, but can be quickly removed to provide access to routine maintenance items.