This invention aims to obtain a power transformation and distribution component (100) for robust power boxes, and that enables its use in aggressive environments and subject to bad weather and even more importantly, that ensures an assembly with less adjustments, harmonious operation and free from misalignment. In effect, this invention aims to provide an power transformation and distribution component (100) for power boxes in seeding machines, with the component comprising: at least one integration device; at least one hydraulic motor (140, 2); one alternator (150, 151, 3); at least one belt tensioner (4); at least one driving pulley (5); at least one alternator pulley (6); and at least one belt (7).