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New Leyland 22 ton Bison
Page 111
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The three axle, six wheel Bison has everything you look for in a great new Leyland -and then some. Like the Lynx, this range is powered by the new Fixed Head 500 series engine, which, with its fixed head design overhead camshaft and highly efficient cooling and lubrication, is far in advance of any normal current engine. The Bison range features a tipper and a haulage model, both 22 tons g.v.w., which have been specially designed to meet today's exacting operating conditions. These trucks, which incorporate the most important new features of the Lynx, have a new rear bogie with trunnion mounted inverted springs and lockable third differential to achieve greater traction when the going's soft or slippery. Also a new heavy-duty six-speed gearbox, which is a matched part of the power train; top security braking and an improved Ergomatic cab for better commanding vision.