Like the standard tray the heavy duty tray is fitted with an RHS
headboard fitted with 3mm sheet 800mm high.
The crossmembers are 75mm x 40mm channel.
The coamings and runners are upgraded to 100mm x 50mm
The floor is either 5mm checkerplate or plain floor plate.
The tray is fitted with an RHS under run bar, 25nb tie rails
along each side and access steps on the front corners.
All trays are finished in two coats of enamel to match the cab
after acid washing the body and etch priming.