Tag : Dryden Construction
The LeTourneau Tournacranes
While a great many of LeTourneau’s inventions were designed for earthmoving purposes, some of his creations had very practical applications elsewhere. By RICHARD CAMPBELL There...
The Allis-Chalmers HD-19 tractor
Allis-Chalmers was the first heavy machinery builder to enter the big track-type tractor development race immediately following World War II. Richard Campbell looks at its...