Dump semi trailers are suitable for the transportation of bulk scattered goods such as coal, ore and building materials. Dump semi-trailers can be divided into two categories according to their uses: one is heavy-duty and heavy-duty dump trailers for off-highway transportation, which mainly undertake large-scale mining, engineering and other transport tasks, usually used with excavators. Another kind of light, medium and medium-sized ordinary self-unloading trailers used in highway transportation mainly undertake the transportation of loose goods such as sand, clay, coal and so on, usually used in conjunction with loaders. CIMC company can supply U-trailers for lightweight cargo, please see the pictures below. Specification: capacity: 40 cubic u-trailers Model: U -model Axle: 6 axle ,Fuwa axle Hydraulic system: HYVA cylinder Suspension: Mechanical suspension King pin: 3.5' bolt- in kingpin 90 Landing gear: Jost Braking system: WABCO Tire: 12.R22.5*12