Technical register for agricultural, construction and commercial machinery · sourced data
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Lst Other models

6 models in this series

Lst K33: EU class O4 trailer with a permissible gross weight of 24,000 kg, unladen weight of 4,320 kg and payload of 19,680 kg at 10,800 mm length and 2,490 mm width

The K33, built by Lst, sits at 24,000 kg permissible gross weight in EU trailer class O4, above 10 tonnes, the class of heavy trailers hauled behind semi-tractors or heavy trucks on long-haul routes. Trailers of this size usually appear as flatbed, tipper or low-loader semi-trailers, moving construction machinery, bulk goods or general cargo over long distances.

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At a length of 10,800 mm and a width of 2,490 mm, the trailer has an unladen weight of 4,320 kg; against the permissible 24,000 kg that leaves a payload of 19,680 kg.

As a class O4 vehicle it is fitted with air brakes under EU rules, mandatory from this weight class upward. Towing it requires, depending on the tow vehicle, at least driving licence category C1E or CE. EU rules also require category A anti-lock braking (ABS) for trailers in classes O3 and O4, preventing the trailer from breaking away under braking.

A used-trailer check should start with the frame: corrosion at the axle mounts and cross members is the most common fault on this type. Add to that a function check of the air brake system including lines and brake chambers, tyre condition relative to load rating, play in the axle bearings, the condition of the towing eye or coupling, and a valid roadworthiness inspection. The check should also cover the suspension, the load floor for corrosion, matching of the chassis number to the documents, and the presence of load-securing lashing points.

Sources: SpecCodex-Register: Kennwerte des Modells K33

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