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Thornycroft Nubian Major MK4: heavy N3-class lorry with an eight-cylinder engine, 14,061 cc displacement, six wheels, a gross vehicle weight of 18,842 kg, built in 1970
Thornycroft was a British manufacturer of load-carrying vehicles whose Nubian series was known for off-road chassis, used among other things on airfield and fire-fighting vehicles. The Nubian Major MK4 recorded here from 1970 belongs to this series.
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The Nubian Major MK4 is driven by an eight-cylinder engine of 14,061 cc displacement. At a length of 8,750 mm and a width of 2,480 mm, the vehicle rides on six wheels and a wheelbase of 5,270 mm; kerb weight is 13,290 kg.
At a gross vehicle weight of 18,842 kg the Nubian Major MK4 falls into EU class N3 above 12 t. Kerb weight and gross weight differ by 5,552 kg of payload margin, enough for a heavy special body. The large eight-cylinder engine of over 14 litres on six wheels across three axles is a configuration built for off-road heavy vehicles needing high pulling power, rather than for pure long-distance road haulage.
Buying such an old off-road chassis second-hand, the differentials and driveshafts of all axles should be checked for play, since four-wheel-drive components of this era were often worked hard. The eight-cylinder engine calls for a check of compression and the cooling system, and given the 1970 build year, frame corrosion deserves a look as well, especially around the axle mounts, which are loaded more heavily off-road than in pure road use.
Sources: SpecCodex-Register: Kennwerte des Modells Nubian Major MK4
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