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Yrki V-5-38 – EU class O4 trailer with a gross weight of 38,000 kg, a payload of 28,000 kg, a length of 14.7 m and a width of 2.45 m for heavy-haul transport
Trailers and semi-trailers with a gross weight above 10 tonnes form the EU vehicle class O4. They add the actual load area to tractor units and heavy trucks and are built across Europe by a wide range of specialised manufacturers, often in small series for construction, heavy-haul and long-distance transport. The V-5-38 fits clearly into this segment on the strength of its figures.
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With a gross weight of 38,000 kg and an unladen weight of 10,000 kg, 28,000 kg of payload remain. At a length of 14.7 m and a width of 2.45 m, the unit can carry both bulky and heavy loads without pushing axle loads to their limit. The ratio of unladen to gross weight points to a comparatively light but load-bearing frame construction.
As an O4-class vehicle, the trailer needs an air brake system rather than the simple overrun brake fitted to smaller trailers, and the towing vehicle must be built to match. Driving such a combination requires driving licence category C1E or CE, depending on the permissible combined weight. The considerable length paired with a moderate width suits general cargo, building components or machine parts that take up space without using the full payload.
For a used purchase, the air brake system comes first: lines, brake chambers and brake drums should be checked for leaks and wear. The long frame deserves a close look at welds, cross members and axle mounts for corrosion. Suspension and axle bearings should be checked for play and running noise, the lighting system for completeness and the plug connector for corrosion. On a trailer this long, tyre age is a separate check point of its own.
Sources: SpecCodex-Register: Kennwerte des Modells Yrki V-5-38
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