Picture what was happening to Europe during the early 1940s. What
remained of its cobbled or macadamed roadways had been pounded into
bogged tracks, either by falling artillery rounds or the wheels and
treads of marauding armies. Across this battered landscape, the Allies
had to quickly reposition tanks and other armored vehicles where they
were needed, at a much greater overland speed than the vehicles
themselves could muster.
Problem, meet solution. The Knuckney Truck Company of San Francisco, in
response to a War Department request, designed a huge tank transporter,
dubbed the M-26, in 1943. The first protoype tractor, shown here, used
a 1,040-cu.in. Hall-Scott 440 gasoline engine with 240hp, and a
proprietary Knuckney-designed tandem chain drive.
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