For transport ofundetachable, oversized and overweight cargos, FLJ and Hubei Tiandioffer a combination system, Heavy-duty hydaulic modular trailer.This modular system provides almost unlimited possibilities tosolve simple as well as complicated transport tasks. The individualplatform modules can be combined in longitudinal and lateraldirection. It possesses some advantages, such as adjustableplatform, axle load, small turning radius, easily moving backward,and so on. Adjustable body keeps the horizontal level while runningon the upper and lower ramps, and guarantees the running vehicle issmooth-going, seady and safe.