The Crane Company in China hstowercrane
This is QTZ 4708 tower crane which is made in China.
There are the specific pictures for the whole machine and some detailed pictures for its spare parts.
Rated Load MomentkN.m800Max Lifting Loadt8Working Rangem3~55Lift HeightFree-stand46.2With wall-tie-ins151.2Lifting VelocityTwo Multiplying Powerm/min80/40/8.64Four Multiplying Power40/20/4.32Rotating Speedr/min0.62Radius Changing Speedm/min43.3/21.9Climbing Veocity0.4Mini radius changing velocity≤7Overall dimensionChassism8x8Complete Machine HeightFree-stand55.892With wall-tie-ins160.892Complete Machine WeightStructural WeightFree-standt42.49With wall-tie-ins81.87Counterweight18.2Total capacity of MotorkW41.52Allowable Working Temperature ºC-20~+40Power Supply Parameter50Hz~380V±10%