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Sprintcar AT 5: heavy special-purpose vehicle in EU class N3 with a six-cylinder engine, ten wheels, a gross vehicle weight of 60,000 kg, a kerb weight of 59,900 kg and a wheelbase of 7,070 mm, built in 1999
The register holds no other series from the manufacturer Sprintcar, so this text describes the vehicle class the AT 5 of 1999 represents: a ten-wheel heavy vehicle whose own weight already accounts for almost all of its gross vehicle weight.
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The AT 5 is driven by a six-cylinder engine and stands on ten wheels, with a wheelbase of 7,070 mm. The vehicle weighs 59,900 kg empty, with a gross vehicle weight of 60,000 kg.
At a gross vehicle weight of 60,000 kg the AT 5 sits far above the 12 t line, in EU class N3. Only 100 kg separate kerb weight from gross weight: for a vehicle of this weight class that is practically no payload at all, showing that the vehicle's own mass is itself its function. Ten wheels on a wheelbase of just over 7 m spread this weight across several axles, as is usual for heavy special-purpose vehicles built for stationary or towing duty rather than for carrying variable cargo.
Buying such a heavy special-purpose vehicle second-hand starts with checking the frame and axle mounts for cracks, since almost 60 t of kerb weight places a lasting load on the structure. The brakes on all axles call for an especially careful check of lines and drums, and given the 1999 build year, the condition of the axle bearings and steering components deserves a look as well, since both are put under extreme strain at this gross weight.
Sources: SpecCodex-Register: Kennwerte des Modells AT 5
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