A&d Other models
2 models in this series
A&d – heavy special-purpose EU category O4 trailer: 44,000 kg gross weight, 10,000 kg unladen weight, 13,860 mm length, 2,650 mm width, six wheels
With a gross weight of 44,000 kg, this trailer sits well above the threshold for EU category O4, the range of heavy trailers and semi-trailers built for large loads; the register carries no reliable model designation for it.
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Unladen weight stands at 10,000 kg, length at 13,860 mm, width at 2,650 mm, and the trailer runs on six wheels. The difference between gross and unladen weight gives a payload of 34,000 kg – at a length typical of European semi-trailers, a very high payload, pointing to dense, compact cargo rather than bulky loads.
Trailers of this weight class are fitted exclusively with air brakes; overrun brakes are not permitted above roughly 3.5 tonnes. The tow vehicle would be a tractor unit requiring licence category CE, and in commercial use additionally subject to the driver-qualification rules for the tractor unit's driver.
On a used semi-trailer this heavy, what counts is the condition of the axles, brake system and linings, the tightness of the air lines, rust at the frame, kingpin and landing gear, and the remaining tread depth on all six tyres. Given this payload, it is also worth checking whether the frame and body show deformation from past overloading. Given a payload of 34,000 kg, it is also worth checking the landing gear and its anchoring to the frame for wear.
Sources: SpecCodex-Register: Kennwerte des Modells A&d
Models
Trailer in 3D section
Turn the model, look inside and click an assembly — each one is explained.
