Detailed product description and specifications: 1.Rating moment:800KN.M 2.Max. Lifting capacity(The end lifting weight):6.0t/8.0t 3.Max. Working range:56m/58m/60m 4.The end lifting weight is 1.3t/1.1t/1.0t 5.The lifting height is 50m when freestanding(suitable for the construction of buildings lower than 16 storeys),and can reach 100m (at ratio 4) when adhered (suitable for the construction of buildings lower than 32 storeys respectively). 6.The lifting height of QTZ80.The structure of this tower cranes is rational,for the main functioning steel parts,such as the tower and the crane,are made up of seamless steel tubes with proper handness,little wind resistance and a pleasant appearance. 7.QTZ80 tower crane adopts the jinkui brand electric parts which are famous in China.These high-quality parts can serve for a long time,reducing breakdowns and improving efficiency. 8.QTZ80 tower crane has helmet structures with two hoisting points,hoists with upper slewing liquild pressure,and it can be installed quickly and conveniently. Festival standard specifications(m):1.835í-1.835í-2.5