With a weight of 70 tons and boasting 524 horsepower, the HD-41 crawler tractor made headlines as the largest built up to that time. Allis-Chalmers gave at-tendees a taste of things to come at the ...

Lots of guys can give you the make, model and year of a vintage car – but Chuck Logan could do that for tractors and excavating equipment. Just on sight, he knew a 1972 Allis-Chalmers HD-41 dozer from ...

Dick Riggert tells how he got one of the world's largest dozers from 1950, the 140-hp HD19 Allis Chalmers. Find out where to see antique machines like this work in September. Aug 1, 2011 Dick Riggert ...

The Allis-Chalmers Manufacturing Co. (later Fiat-Allis and Fiatallis) made heavy construction equipment from 1928 until 1985 at a 70-acre plant between Sixth and 11th streets and Stanford Avenue and ...