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Trneka N3KA10 - trailer of EU class O4: 45,000 kg gross weight, 8,740 kg unladen weight, 8,950x2,550 mm, built 2021, 6 wheels.
With a gross weight of 45,000 kg, the N3KA10 from Trneka belongs to the EU trailer class O4 (above 10,000 kg gross weight), the heavy trailers and semi-trailers towed behind tractor units or heavy trucks in long-haul and heavy-transport work. Year of manufacture 2021. Trailers in this class need a compressed-air brake system.
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With an unladen weight of 8,740 kg, that leaves a payload of 36,260 kg. The dimensions are 8,950 mm in length and 2,550 mm in width. The wheelbase is 6,560 mm. The trailer runs on 6 wheels. The design top speed is given as 90 km/h.
Fifth-wheel or drawbar load and the design of the coupling decide which tractor unit suits a trailer like this. At this weight class the trailer is built for long-haul or heavy and abnormal-load work, not for occasional private use.
On a viewing, the brake cylinders, lines and the air system's tightness are among the first points to check. Paperwork and the validity of the roadworthiness test belong to every viewing. The brake system and brake lines deserve particular attention, as this is an area often neglected in everyday use. With several axles, a test drive is a good chance to compare braking effect between axles. The suspension and any dampers should be checked for leaks and correct ride height. On the frame and at the drawbar mounting points it is worth checking for rust and old weld repairs.
Sources: SpecCodex-Register: Kennwerte des Modells Trneka N3KA10
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