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Schuler SF 8000 DAU: EU class O2 trailer with a gross weight of 3,500 kg, six wheels and a width of 2,400 mm, built in 2005.
With a gross weight of 3,500 kg, the SF 8000 DAU sits at the upper limit of EU trailer class O2, which runs up to 3,500 kg and in this range is usually still fitted with an overrun brake rather than air brakes. Towing generally requires only a category BE licence in most European countries.
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Built in 2005, the model carries a payload of around 1,160 kg against an unladen weight of 2,340 kg. Six wheels at a width of 2,400 mm point to a three-axle build with closely spaced axles; the value of 623 mm is the spacing between the axles within such a group, not the overall wheelbase of the trailer.
Class O2 trailers with three closely spaced axles are mainly used for long but light loads, where the extra axle spreads the load on the road rather than allowing a higher payload. The brake on such trailers usually engages automatically through the overrun mechanism as soon as the towing vehicle brakes.
Buying a used three-axle trailer of this build, the closely spaced axle group deserves particular attention: self-steering compensation, bearing play and even tyre wear across all six wheels should be checked closely. In addition, the overrun mechanism should be checked for smooth operation and the chassis around the axle mounts for corrosion, and with three axles it is worth checking that tyre condition and tread are consistent across the whole axle group.
Sources: SpecCodex-Register: Kennwerte des Modells Schuler SF 8000 DAU
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Trailer in 3D section
Turn the model, look inside and click an assembly — each one is explained.
