For 1949, Dodge updated its entire truck line with fresh post-war styling, but fortunately, the cabover models retained their quirky snubnose look The 1951 Dodge COE chassis cab, as shown here, was available in two models: the GM and the heavier-rated HM. Dodge’s venerable 236.6 CID L-head six provided the power, coupled to a choice of four and five-speed transmissions and an optional two-speed rear axle.