The Allis-Chalmers HD-6 tractor
For a period of just under 20 years (1955-1974), Allis-Chalmers produced one of the most popular small track type tractors ever built, the model HD-6....
Tag : Caterpillar D4
Classic Machines: The Model D Tournapull
During WWII the Army called for an “air transportable earthmover” and LeTourneau took up the challenge. THE FIRST LETOURNEAU Model D Tournapull with Model Q...