... 6*4,7*4,7*5,8*5 Heavy duty hot dipped galvanized box trailer Manufacture different types or sizes of ... *4, 7*5,8*5, 9*5 Surface can be hot dipped galvanized, electro plated, powder coated or painted. There are ... brake, mechanical brake or hydraulic brake systems available. Heavy Duty Hot-dipped Galvanized Utility Trailer