Tracked small tanks, also known as heavy-duty transporters . It has the characteristics of large load-bearing tonnage, easy to use, can be used in combination with multiple units, and can also be used as a roller, which is flexible in operation. It has been widely praised in major projects. Tracked small tanks, also called crawler heavy -duty transporters, with a load-bearing tonnage ranging from 5 to 500 tons. Tracked small tanks are also one of the more advantageous transport tools for straight-moving heavy transporters. There are many occasions. The ground can be ordinary ground or channel steel as the track.