CLARK Other models
1 model in this series
Clark AHW RJH – class O3 trailer: 8,000 kg gross weight, 7,120 kg unladen weight, 880 kg payload, 11.65 m length, model year 1975
With a gross weight of 8,000 kg, the AHW RJH falls into EU class O3, the medium-weight trailers between 3.5 and 10 tonnes. The trailer is registered in the Netherlands and was built in 1975.
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At a length of 11,650 mm and a width of 2,520 mm, it already weighs 7,120 kg unladen and can carry only 880 kg more, just eleven per cent of its gross weight. At a length of over 11.6 metres, that means the structure itself, not the load, makes up most of the weight – a hallmark of special trailers with their own heavy superstructure, such as ramps or a reinforced platform, rather than a light bed for general cargo. The 6,350 mm wheelbase places the axles in the rear third of the vehicle.
Trailers of this weight class run with an air-brake system instead of the simple overrun brake of the lighter O1 and O2 classes; towing the combination at this gross weight requires a category BE or C1E licence.
On such a heavy self-structure, what counts most on a used example is distortion and cracks in the frame and any ramps or loading rails, the condition of the axle bearings and brake drums, the state of the load platform and its lashing points, and – on a vehicle of this age – rust in the load-bearing side members, which needs particularly critical checking given the small remaining payload reserve.
Sources: SpecCodex-Register: Kennwerte des Modells Clark AHW RJH
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Trailer in 3D section
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