Chinese Manufacture 4 Ton Machine Tower Crane with High Flexibility in Stock

Famous brand QTZ40 4 ton 40m lifting boom Tower Crane Product Overview 1.It has ultra long arm and large coverage area.2.The standard segment section is wide.Rigidity is good.Complete machine is stable and swings slightly when craning.3.The standard segment principal branch is big.4.The electrical systemuses domestic high quality or importing parts, Its performance is stable and reliable.5.The standard segment,drawbar,top-bottom turntable and other major components is welded by CO2 which penetrates deeply and deforms smally.6.The slewing mechanism adopts winding motor which starts smoothly and reliably and places conveniently and efficiently.7.Hoisting mechanism with good performance in speeding,lifting and declining smoothly. Product Paramenters Model QTZ31.5 QTZ40 QTZ63B QTZ63C QTZ80A QTZ100A QTZ125A QTZ160 Radius(m) 40/42 47/45 56/50 52 60/55 55 60/55 65 Hook Height(m) 31.6 32.5 41 40 46 45 46 50 Max. Height(m) 100 100 141 140 200 180 200 190 Max. Hoisting Capacity(t) 3 4 6 6 8 8 8 10 Standard Mast Section Size(m) 1.5*1.5*2.4 1.5*1.5*2.5 1.835*1.835*2.5 1.615*1.615*2.5 1.835*1.835*2.5 1.835*1.835*2.5 1.835*1.835*2.5 1.935*1.935*2.8 Hoisting Speed(r/min) 26.8/5.2 76/38 80/40/8.5 80/40/8.5 80/40 100/50 100/50 100/50 Slewing Speed(r/min) 0.77 0.77 0.62 0.62 0.65 0.55 0.6 0.6 Luffing Speed(m/min) 43.2/21.6 43.2/21.6 42/21 42/21 60/30/10 60/30/10 60/30/10 60/30/10 Product ConfigurationCompany Information/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1