Product characteristics：
Caterpillar with servo motor realizes precise synchronization driving. With pneumatic flexible clamping, the upper caterpillar can adapt per the pipe specification variation and keeps good contact pressure with the pipe; the lower caterpillar can be electrically adjusted to the required haul-off position per the pipe specification. High friction rubber pads connects with the chain. Haul-off unit with 2, 3, 4, 6, 8 caterpillars
