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Goes TWL32C – EU category O4 trailer: 27,000 kg gross weight, 9,070 kg unladen weight, four-axle layout, 10,750 mm length
With a gross weight of 27,000 kg, the TWL32C falls into EU trailer category O4, the group of heavy trailers above 10 tonnes.
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Unladen weight is 9,070 kg, giving a payload of 17,930 kg. Length stands at 10,750 mm, width at 2,550 mm and wheelbase at 7,350 mm; the eight wheels are spread across four axles that together carry the high axle load of a long, heavy body.
Air brakes are required in this weight class; a mechanical overrun brake is no longer permitted above roughly 3.5 tonnes gross weight. Four axles spread the load on the road surface more evenly than two or three, allowing a high gross weight at a comparatively moderate load per individual axle. The tow vehicle would be a lorry or tractor unit requiring category CE.
On a used four-axle trailer, what counts is even load distribution between the axles, since a faulty equalising mechanism overloads individual axles. This includes checking the brake system and linings on all four axles, the tightness of the air lines, and rust at the frame and axle mounts. Remaining tread depth on all eight tyres and the working lighting system round off the check, and any oil staining around the axle bearings is worth a closer look. The condition of the coupling head and the wiring harness running along such a long frame is worth a look as well.
Sources: SpecCodex-Register: Kennwerte des Modells Goes TWL32C
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