Jining Four Tong 8 -ton self -made crane deformation of King Kong, 4.5 meters by 8 arms, a raising height of 31 meters, a weight of 8 tons, a main hook 8 tons of twisted car, a secondary hook gear tie, a 50 pump engine motor, double -section legs, telescopic shrinkage, telescopic shrinkage Large frames, large sheets can tease and shrink 1.3 meters, telescopic heavy weight box can tease and shrink 0.5, meters, wheelbase 2.37 meters, 7.8 multiplication of 2.9 meters, upgraded air brakes, and weighing 10.4 tons.