Duenschede Other models
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Duenschede TPA 24/7 - class O4 trailer with a gross weight of 24,000 kg, an unladen weight of 4,640 kg, a length of 9,650 mm and twelve wheels, built 2000
With a gross weight of 24,000 kg, the TPA 24/7 falls into EU trailer class O4, the heavy category of trailers and semi-trailers above 10 tonnes, as used in heavy-haul transport behind articulated tractor units or heavy lorries.
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The TPA 24/7 dates from 2000 and has an unladen weight of 4,640 kg; against the gross weight of 24,000 kg that leaves a payload of 19,360 kg. The body stands on twelve wheels at a length of 9,650 mm, a width of 2,500 mm and a wheelbase of 4,810 mm. The many wheels spread the gross weight across a correspondingly large number of axles, needed to keep axle loads evenly low.
In class O4, a multi-axle compressed-air brake system is mandatory; the overrun brake of the lighter classes is not sufficient above 10 tonnes. Towing requires driving licence category CE; with twelve wheels, the brake system must act evenly on every axle for the combination to stop safely.
When buying a trailer with this many axles used, check the condition of all axles and axle bearings, since with twelve wheels the failure of a single axle already affects overall stability. The compressed-air brake system with its lines, brake cylinders and linings on every axle belongs on a test rig, as do the frame and body for corrosion and deformation. Exactly one example of this type is registered in the Netherlands; with a 2000 build date, also check the condition of the axle suspension after many years in service.
Sources: SpecCodex-Register: Kennwerte des Modells Duenschede TPA 24/7
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