Abstract: A trailer assembly includes a body having a plurality of sidewalls for defining a cavity therebetween. Selected sidewalls are pivotally coupled to the body and selectively adaptable between loading and unloading positions and another sidewall defines a substantially planar bottom surface of the body. The body further includes a hitch section protruding forwardly therefrom. The assembly includes a rigid platform including a plurality of wheels connected thereto. Mechanisms are included for pivoting the body between sloped and horizontal positions and for separating a plurality of loads stored within the cavity respectively. The separating mechanism is removably positional within the cavity and slidably adjustable along a longitudinal length of the body. A manually retractable tarpaulin is laterally registered along a width of the body and adjoins a front end portion of the body for protecting exposed material and equipment during transit.