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Woerner SILO PS38R - trailer of EU class O4: 15,000 kg gross weight, 13,900x2,500 mm, built 1999, wheelbase 8,700 mm, width 2,500 mm.
With a gross weight of 15,000 kg, the SILO PS38R from Woerner 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 1999. Trailers in this class need a compressed-air brake system.
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The dimensions are 13,900 mm in length and 2,500 mm in width. The wheelbase is 8,700 mm.
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. The coupling head or kingpin shows heavy wear where the trailer has seen intensive use. Lighting, wiring harness and plug connectors are common weak points on older trailers. Tyres and rims should be checked for age and even wear, especially if the trailer has stood unused for a while. On bodies with tarpaulins or side boards, the condition often only shows up on close inspection for leaks and deformation. 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.
Sources: SpecCodex-Register: Kennwerte des Modells Woerner SILO PS38R
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