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Dyson S TRL – heavy EU category O4 trailer with a 33,000 kg gross weight, 3,600 kg unladen weight, 29,400 kg payload, 10.16 m length and 2.50 m width
At a gross weight of 33,000 kg, the S TRL sits in EU trailer category O4, the heavy trailers above 10 tonnes towed on long-haul routes behind suitably rated tractor units. A compressed-air brake system with multi-axle brake distribution is mandatory for this category.
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At an unladen weight of 3,600 kg, the payload comes to 29,400 kg, roughly eight times the trailer's own weight, a figure that points to a very light frame combined with high load-bearing capacity. At 10.16 m the S TRL counts among the longer trailers in its category, at a width of 2.50 m that stays within the usual European envelope for road vehicles. This length spreads the high payload across a correspondingly long frame, which also makes the trailer more sensitive to uneven loading than a short unit of the same weight class.
Towing combinations in this weight class require a category CE licence. The load-dependent brake ensures braking deceleration meets the rules both fully loaded and empty, and the coupling is built for correspondingly high nose and drawbar forces.
When buying used, at this length it is particularly worth checking the frame for twisting and cracks, the axles and their suspension given the high payload, the air system for leaks along its full run, and the coupling eye for wear and correct bearing play.
Sources: SpecCodex-Register: Kennwerte des Modells Dyson S TRL
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Trailer in 3D section
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