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Sfb KTL 2525-30 8X4: heavy N3-class lorry with a four-axle chassis, 35,310 kg gross vehicle weight, 31,710 kg kerb weight and a width of 2,500 mm on a short wheelbase
The manufacturer Sfb has no other series in the register, so this text is built on the vehicle class the KTL 2525-30 8X4 represents: a four-axle lorry chassis on eight wheels, of the kind built to carry heavy fixed bodywork in construction and municipal traffic.
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The KTL 2525-30 8X4 weighs 35,310 kg fully loaded and already 31,710 kg empty. Its width is 2,500 mm and its wheelbase only 4,800 mm. Built in 1974, it comes from an era when eight-wheel chassis were built above all for tippers, concrete mixers and crane bodies.
With a gross vehicle weight of 35,310 kg the vehicle falls into EU class N3, the heavy lorries above 12 t, for which a top speed of 90 km/h applies across the EU. The short wheelbase of 4,800 mm on eight wheels and four axles is typical of chassis built to carry a heavy, permanently mounted piece of equipment: only 3,600 kg separate kerb weight from gross weight, a margin too small for free cargo and better suited to fixed equipment than to variable loads.
Buying such an eight-wheel chassis second-hand starts with checking the frame for cracks and twisting around the rear axle group, where the highest axle load acts. Air brakes on all four axles need regular checks of drums and lines, and given the 1974 build year, frame corrosion and the condition of the steering components deserve a close look, since both are heavily stressed at this gross weight.
Sources: SpecCodex-Register: Kennwerte des Modells KTL 2525-30 8X4
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