ZT-21A
The key components of the hydraulic system of this HDD Machine are all imported or joint venture products, with strong power and reliable performance. The power head is driven by dual motors, with large torque and high speed. The power head is provided with a shackle floating device to protect the drill pipe thread. The feeding mechanism is in the form of rack and pinion drive, with stable performance, and has won the Excellent Product Award of the Trenchless Association for many times. The drilling rig has compact structure, small size, high construction efficiency and small footprint.