1.Crane Truck for 4 ton 2.Crane Truck with hydraulic system controll. 3.Crane Truck ... load, for example:2 ton,3.2ton,4 ton,5 ton,6.3 ton,8 ton,10 ton,12 ton,14 ton,16 ton, 25 ton.2.With hydraulic system control3 ... .Straight arm or fold arm to choose.4 ...