Spectrum Other models
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Spectrum (2007): a two-axle trailer with a gross weight of 3,500 kg, a length of 7.78 m and a width of 2.22 m in EU class O2, with a narrow spacing inside its tandem axle.
The trailer carries its model name Spectrum as its only designation and was registered in 2007. Two-axle trailers of this size are mostly built as enclosed box bodies or as platforms for transport and sales purposes, less often as an open flatbed, since the cost of a second axle only pays off with a matching body.
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At a gross weight of 3,500 kg, an unladen weight of 1,860 kg and a payload of 1,640 kg, a length of 7.78 m and a width of 2.22 m on four wheels, the stated spacing of only 0.80 m sits within one axle group, not between the two axles of the whole vehicle: a figure this small is the spacing inside a tandem axle, as is usual where axles are arranged in pairs.
At a gross weight of 3,500 kg the Spectrum stays in EU class O2. The tandem axle spreads the load over two axles and so reduces the load per axle compared with a single-axle trailer of the same gross weight, which spares tyres and bearings but requires wider turning radii and a larger turning circle, since the two axles do not steer against each other.
Buying a used tandem-axle trailer of this kind means checking above all for even wear of the brake shoes or linings on both axles: if one axle is more worn than the other, that points to a bent equalising mechanism between the axles. Equally important is checking the rubber or leaf-spring elements of the axle suspension, which carry a particular load on tandem axles.
Sources: SpecCodex-Register: Kennwerte des Modells SPECTRUM
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Trailer in 3D section
Turn the model, look inside and click an assembly — each one is explained.
