Technical register for agricultural, construction and commercial machinery · sourced data
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Nikula OL/26000: Finnish heavy-duty trailer in EU class O4 with a 40,000 kg gross weight, 11,450 mm length, 2,500 mm width and a 30,400 kg payload

The OL/26000 from Nikula is a Finnish heavy-duty trailer with a gross weight of 40,000 kg. It falls into EU trailer class O4, the heavy trailers and semi-trailers above 10 tonnes built for long-distance haulage behind heavy tractor units.

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At a length of 11,450 mm and a width of 2,500 mm, the empty chassis weighs 9,600 kg, leaving a payload of 30,400 kg. This ratio of unladen weight to payload is typical of sturdy trailers for round timber, construction machinery or bulk material, as used in long-distance Nordic haulage. The trailer was registered in 1983.

Trailers in this class run on air brakes on all axles and need a towing vehicle with a high permitted trailer load. In Finnish long-distance haulage, tractor-and-trailer combinations like this have been used for decades to carry timber, building materials and industrial goods over long distances.

When buying such an old trailer, the frame matters most: fatigue cracks in the longitudinal beams and axle mounts after decades of heavy-load service are the most common fault. Also check the brake drums or discs, the tightness of the air lines, and corrosion on load-bearing parts, which should be examined carefully given the trailer's long service life. Given the trailer's age, it is also worth confirming that the lighting, reflectors and coupling head still meet current roadworthiness requirements before it returns to regular service.

Sources: SpecCodex-Register: Kennwerte des Modells Nikula OL/26000

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