Having covered the conventional model D scraper in the April 2008 edition of Contractor mention was made of the most significant offshoot of this machine,...
A logical development of the Caterpillar J619, Caterpillar’s J621 elevating scraper was introduced in 1965. By Richard Campbell The Caterpillar J621 was a pairing of...
Tracing its roots back to brothers Vern and Wilbur Schield’s original prototype manufactured in 1946, the Bantam, or more properly the model C-35 cable excavator,...
Euclid TS-24s were a major influence in shaping New Zealand, responsible for opening up many areas of the country. By Richard Campbell The Euclid TS-24...
As a result of its experience manufacturing tanks during WWII, Vickers-Armstrong of Newcastle, England decided to build a track-type tractor to take on the Americans. ...
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...
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...
Replacing the previous model HD-15 in the Allis-Chalmers line of track type tractors the HD-16 was introduced with much fanfare in 1955. By Richard Campbell...
Richard Campbell examines the early track-type tractors produced by Euclid before its name changed to Terex. Introduced by Euclid in 1959 after extensive field testing,...
Developed from the successful Euclid L-30 and 72-40, the Terex 72-51 was introduced in 1966 (originally as the Euclid 72-51). By Richard Campbell Euclid had...