How Tractor Cultivator are Manufactured in Factory from Scratch | Step-by-Step Manufacturing Process. Ever wondered how a heavy-duty tractor cultivator is made? In this video, we take you inside a real manufacturing plant to show the complete step-by-step process of building a tractor cultivator from raw materials to a finished machine.br This is the real industrial process behind agricultural machinery that farmers rely on every day. Whether you’re into farming, tractors, heavy equipment, or factory production videos, this behind-the-scenes tour will give you a whole new appreciation for how powerful farm implements are built.