the rolling weight of say 12 tonnes is not actualy pulling 12 tonnes ! like yer can push a landrover along the road quite easily, but yer cant push say 3 tonne bags of road stone !
i have pulled things with my 2.5n/a that have made my eyes water , its all about gears and attitude, put yer foot down and yer askin fer **** and smoke , nice tickover, low 1st away yer go,