​​​​Original bulldozer vintage magazine ad for ALLIS-CHALMERS.  HD-11, most productive 8-ft push-beam dozer tractor.  It is the heaviest, most powerful machine near its size.  Portable anywhere without an over width highway permit. Construction Machinery Division was located in Milwaukee, WI.
​ This 1959 unique old one page petroleum equipment trade advertisement would display beautifully matted and framed.