Le Tourneau was a visionary machine designer. His innovative electric wheel, developed for the L-series Pacemaker motorscraper, is now used in most mining trucks. Only...
The Le Tourneau-Westinghouse D Tournapull was one innovative machine, says Richard Campbell. Descended from the original Le Tourneau ‘D’ Pull which dated back to 1946 and...
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...
LeTourneau was first off the blocks with a wheeled bulldozer, a roadable and manoeuvrable machine suited to many earthmoving jobs. Here we take a closer...
The Allis-Chalmers HD-14 was introduced in 1939 and was broadly based on that company’s earlier and very successful Model L and LO gasoline powered crawlers....