Switch is set to full throttle. >>Welder Mode: DC current only.Engine must be running full throttle. Selector switch must be set to full throttle. >>Compressor Pump: Splash lubricated, Stainless-steel braided discharge hose, Large canister intake filter and Oil level sight indicator. >>Frame: Powder coated ASME coded receiver tanks. 14-gauge powder coated belt guard. The item "15HP 30-Gallon 3-In-1 Air Compressor Two-Stage Gasoline Welder & Generator" is in sale since Thursday, August 13, 2020. This item is in the category "Home & Garden\Tools & Workshop Equipment\Air Tools & Air Compressors\Air Compressors". The seller is "kunding03-compressor" and is located in Artesia, California. This item can be shipped to United States.