Rotatable cargo platform for trailer vehicle

A trailer vehicle, comprising:

• a trailer chassis having a leading end and a trailing end;
• said leading end of said trailer chassis comprising a gooseneck attachment for connecting the trailer chassis to a lead vehicle;
• at least one trailer axle along said trailer chassis length for supporting said trailer chassis;
• a rotatable cargo platform above said trailer chassis adapted to support cargo;
• said rotatable cargo platform having a first end and second end, said second end comprising a rotatable cargo ramp;
• a hydraulically powered turntable rotatably coupling said rotatable cargo platform to said trailer chassis;
• said hydraulically powered turntable having a rotatable inner race, a rotatable outer race, and a plurality of roller bearings positioned therebetween;
• wherein said inner race and said outer race are configured to rotate relative to one another about the plurality of roller bearings;
• a first hydraulic arm assembly and a second hydraulic arm assembly positioned adjacent to the perimeter of said turntable and configured to rotate said turntable about a center axis;
• wherein said first hydraulic arm assembly and said second hydraulic arm assembly each comprise a first end and a second end, wherein said first end is pivotally attached to said trailer chassis and said second end is attached to said turntable.