Kraus Other models
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Kraus: an O2-class EU trailer with a 3,500 kg gross weight, 3,210 kg kerb weight and only 290 kg payload due to fixed built-in equipment, on a 4.85 m wheelbase.
At a gross weight of 3,500 kg, the Kraus trailer sits at the upper limit of the EU O2 class, which covers trailers from 750 to 3,500 kg and is typically fitted with a mechanical overrun brake. Unlike a plain transport trailer, the weight figures on this model point to a different purpose than carrying variable loads.
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With a kerb weight of 3,210 kg, only 290 kg of payload remains, around eight per cent of the gross weight. Such a small payload against a nearly fully used gross weight is typical of trailers carrying fixed, built-in equipment, such as work platforms, generator sets or workshop gear, where the real value lies in the mounted equipment rather than variable cargo. At 4.85 m, the wheelbase is generous for this weight class.
The long 4.85 m wheelbase gives fixed-equipment trailers steady handling and good weight distribution over the axle, an advantage with heavy, low-mounted gear. As an O2 trailer, it needs no air brake system, relying instead on the simpler overrun brake, and can be towed under a category BE licence as long as towing vehicle and trailer together stay within the permitted limit.
Buying a used trailer with fixed built-in equipment, the condition of that equipment matters as much as the chassis: connections, wiring, hydraulics or other units should be checked for function and leaks. On the chassis itself, it is worth checking for rust at the axle mount, the condition of the overrun coupling and brake cables, and for adequately rated support legs if the equipment is used while stationary.
Sources: SpecCodex-Register: Kennwerte des Modells KRAUS
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