QUY80A hydraulic crawler crane is designed on the basis of advanced technology and manufacturing experiences.

Features：
1.Hydraulic elements are imported from Rexroth in Germany. Load-sensing valve control applied to hydraulic system.
2.Bi-directional variable displacement pump provided, M7 valve with multi-functions. Variable displacement motors with HD control system for hoisting. Speeds can be adjusted to meet all requirements for independent and combined operations.
3.The fixed displacement motor applied to boom derrick with the pilot control system and good fine movements.
4.Two kinds of counterweight provided: welded counterweight and cast counterweight.
5.Steel-welded construction for lower frame; the stability is greatly improved due to the retraction and extension of side frames.
6.The engine has the function of automatic idle speed.
QUY80A hydraulic crawler crane is widely used in various application fields, such as metallurgy industry, oil industry, transportation, port and energy to accomplish all kinds of operations such as lifting, mounting and material handling.