Electrical generator for powering of agricultural machinery; generating sets for use with engines comprised primarily of diesel and gas engine, control panel, fuel tank, base frame and towing trolley; electrical motor pump units comprised primarily of diesel and gas engine, control panel, fuel tank, base frame and towing trolley for use with irrigation systems and for slurry; centrifugal pumps; separating machines for solid-liquid separation of animal slurry and waste of biogas plants; mechan...