The early Allis-Chalmers HD-16
One of the most popular of all Allis-Chalmers' track-type tractors, the D8-sized model HD-16, first appeared in 1955 following the discontinuation of the former model HD-15.By Richard Campbell. Like many of its competitors, Allis-Chalmers (A-C) got into the earthmoving business by acquisition, in its case, via the Monarch Tractor Company in 1928.
