By 1940, the eight-wheeled armored vehicles had already seen their engines improved, but now a more substantial redesign was ordered, resulting in the Sd Kfz 234.
This time, the chassis and suspension were integral to the hull. Thicker armor was added, along with greater fuel capacity and air brakes.
One of the big reasons for the redesign was so that the vehicle could be tailored to fighting in hotter conditions, as Axis troops were engaged in fighting against the British in North Africa, a theater where armored vehicles played a leading role. As a result, the Sd Kfz 234 was equipped with an air-cooled engine.
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