Tag : powershift transmission
The International-Harvester TD20 & TD20B tractors
By the end of the 1950s, International’s “jack of all trades” TD-18 was getting beyond further economical development. The TD-20 was the result. By Richard...
LeTourneau’s Model D Tournapull
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...
The Caterpillar 630A scraper
Although the Cat 630A was a significant improvement on its predecessor, it didn’t have hydraulic controls and was soon surpassed by the 630B. By Richard...
The Allis-Chalmers 260E scraper
The Allis-Chalmers 260E elevating scraper was one of the quartet of elevating scrapers which appeared in the mid 1960s to challenge LeTourneau-Westinghouse’s dominance in the...