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Dhc Trailer DHC ST 1-3-G23 - class O4 trailer with a gross weight of 48,000 kg, an unladen weight of 9,010 kg, a length of 13,250 mm and a wheelbase of 9,400 mm, built 2021
With a gross weight of 48,000 kg, the DHC ST 1-3-G23 falls into EU trailer class O4, the heaviest group of trailers and semi-trailers, above 10 tonnes, as used in heavy-haul and long-distance transport with their own compressed-air brake system behind articulated tractor units.
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The DHC ST 1-3-G23 dates from 2021 and has an unladen weight of 9,010 kg; against the gross weight of 48,000 kg that leaves a payload of 38,990 kg. Length is 13,250 mm, width 2,550 mm and wheelbase 9,400 mm; the body stands on six wheels. The low unladen weight relative to payload points to a design built for load volume rather than for its own mass.
In class O4, a multi-axle compressed-air brake system is mandatory; the simple overrun brake of the lighter classes is not sufficient above 10 tonnes. Towing requires driving licence category CE, and the towing vehicle's permitted towed mass must be rated for the gross weight of 48 tonnes.
When buying used, check first the condition of the frame and side members, since corrosion and fatigue cracks appear first at the axle and coupling mounts. The compressed-air brake system belongs on a test rig, as do the brake linings, brake cylinders and the tightness of lines and coupling heads. Axles, axle bearings and suspension should be checked for play and leaks. Exactly one example of this type is registered in the Netherlands.
Sources: SpecCodex-Register: Kennwerte des Modells Dhc Trailer DHC ST 1-3-G23
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