The GD 4-Series, 5-Series and 6-Series general purpose trailers have been designed from the ground up to withstand the rigours of the construction industry. All models have fixed headboard and sides, with the choice of a drop tailboard or a loading ramp. Chassis, framework and panels are galvanised for maximum durability. The platform is hard wearing resin-coated high density plywood. All models have a range of accessories which can be added, to enhance the use of the trailer.