High power MIG-MAG/FLUX/MMA/TIG multi-process inverter generator suitable for heavy duty use on worksites and industrial environments. MIG-MAG/TIG welding of all types of steels and steel by-products and MMA welding of all types of electrodes up to 8 mm in diameter. The optional removable wire feeder and connection cables make it possible to increase the field of intervention. Compactness and easy transport features guarantee high levels of mobility and flexibility of use. Complete with wirefeeder, MIG-MAG welding accessories, trolley and water cooling unit GRA 3000.