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Dbm SR-AF-PS203 – EU class O4 trailer: 32,000 kg gross vehicle weight, 7,830 kg unladen weight, 13.70 m long, built 2005
Rated up to 32,000 kg gross vehicle weight, the Dbm SR-AF-PS203 belongs to EU trailer class O4 – the heavy trailers and semi-trailers above 10 tonnes used in long-distance haulage with their own air brakes behind a tractor unit or as a drawbar trailer. At this weight class the load spreads across several axles so that each individual axle load stays within the permitted range.
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The SR-AF-PS203 was built in 2005 and has an unladen weight of 7,830 kg; against a gross vehicle weight of 32,000 kg, that leaves a payload of 24,170 kg. Overall length is 13,700 mm, the wheelbase 9,550 mm across 4 wheels, width 2,550 mm.
The long wheelbase of 9,550 mm against an overall length of around 13.70 m points to a semi-trailer with widely spaced axles, the kind built for long, evenly distributed loads. On only four wheels, each wheel carries a correspondingly larger share of the payload, which makes sound tyres and wheel bearings especially important.
When buying used, this long air-braked trailer lives or dies on the frame along its full length: check for sagging, cracks and rust in the middle section. Brake lines, brake cylinders and linings, wheel bearings and tyres with tread depth on all four wheels, and lighting belong on the list, along with the coupling to the towing vehicle and the spare-parts situation for a vehicle from 2005.
Sources: SpecCodex-Register: Kennwerte des Modells Dbm SR-AF-PS203
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