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Rolo 10D-10PAR: EU class O3 trailer with a gross weight of 10,000 kg, a length of 12,480 mm and a wheelbase of 8,000 mm, built in 1984
With a gross weight of 10,000 kg, the Rolo 10D-10PAR sits at the upper limit of EU trailer class O3, covering the range from 3,500 kg to 10 tonnes. Trailers at this limit are usually already fitted with compressed-air brakes, since the weight exceeds the typical overrun-brake threshold. At a length of 12,480 mm, the 10D-10PAR is among the long trailers in its weight class.
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An unladen weight of 8,730 kg against a payload of around 1,270 kg gives a ratio typical of such a long, massively built structure, with a comparatively small payload margin. The 8,000 mm wheelbase over an overall length of 12,480 mm spreads the load across most of the vehicle's length. At a width of 2,500 mm, the trailer stays within typical road width. The 1984 build year places the trailer in a significantly older generation of trailer construction.
At the boundary between O2 and O3, the exact licence category depends on the gross weight of the whole combination; at a 10,000 kg gross weight for the trailer, a category CE licence is usually required. The high unladen weight combined with a comparatively small payload points to a massive frame construction built for durability rather than maximum payload, common in older trailers.
When buying a trailer from 1984 second-hand, the brake system, including all lines, belongs on a test bench, since material ageing after four decades is a real risk. The frame should be checked along its full 12,480 mm length for corrosion and deformation, especially around the axle mounts. Spare parts for such an old trailer are usually only available through specialist commercial-vehicle parts dealers or as aftermarket replacements.
Sources: SpecCodex-Register: Kennwerte des Modells Rolo 10D-10PAR
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