QUY12 tracked crane with 360deg.swing mechanism and two-section telescopic boom is a new product developed by our company according to the market need. The crane uses the Cummins 6BT5.9-C engine, lengthened and widened undercarriage, and marsh triangle track shoes. So it mainly used at the working site with the uneven surface and the place only short distance transportation is needed, especially swamp place where wheeled crane can not work.

Hoisting, boom lifting adjusting, swing mechanism and telescoping boom and travel system are all driven by hydraulic pressure, which make s convenient and flexible operation and reliable performance. The travel motor has hydraulic and mechanic brake system. Safety attachments such as overflow valve, balance valve, buffering valve are equipped to avoid overload of oil circuit and crack of oil pipe. In addition to this, height limiter, load indication and lighting are installed to ensure the safety and reliability of the machine performance