... .With arc maitainence device, applicable to automatical Diesel Engine Welder GFS-ZX7-300 Product description:1.Most advanced ... of 500A and above can be used for air carbon arc gouging;7.Extensively used in the ... in-line,water-cooled,4-strokeVertical,in-line,water-cooled,4-strokeVertical,in-line,water-cooled,4-strokeVertical,in-line,water-cooled,4-stroke2022242422242636Mechanical/ElectronicMechanical/ ...