For the different pipe size and different speed requirement, Liansu developed kinds of haul-off unit accordingly, such as double caterpillar haul-off unit, three-caterpillar, six-caterpillar, eight-caterpillar, ten-caterpillar haul-off units.

The haul off unit equipped with single motor drive or every caterpillar with separate motor drive, there is the belt type haul-off unit, stable hauling.

For the large diameter pipe, a pipe winch device is equipped to the production line to reduce the waste material.