Dual purpose flow chart

some of the unladen weights provided by manufacturers were pure fantasy to get em into dual purpose at type approval stage and avoid class7,for example door internals removed,passenger seats with no frames/springs etc,oil drained from engine/axles/transmission,no battery or one with electrolyte removed to mention but a few.for most of us its dgw 3500 and below and see if its 4/5/7 dual purpose whatever from there.unladen weight has almost never been available to us at the testing end and never has been since they bought 7 in and the ministry stopped plating em.one that used to make me chuckle,renault trucks opposite my old place had a couple of seven tonner dodge trucks they used to use mainly in the factory.they got downplated by the ministry to 3500-class 7 and i used to test em every year or two.a full tank of fuel took em over 3500kg unladen.......