A 16-ton beast: the Oliver OC-18
Image: Oliver promotional photo of an OC-18, taken on a highway construction job in the USA. The machine has a Heil cable-controlled straight blade with...
Category : Tractors
Forgotten companies – Cletrac
In its heyday, Cletrac was quite an innovator and made a wide range of track type tractors which were very popular. Today, it is almost...
Classic Machines: The Allis-Chalmers HD-5
Allis-Chalmers always had a good reputation for making reliable and versatile track type tractors, but its new HD-5 introduced in 1946 exceeded all expectations. By...
The Terex 82-20 crawler tractor
Smallest of all the production Terex track type tractors, the 82-20 was designed to expand Terex’s market share of the crawler tractor business and take...
The Allis-Chalmers HD-19 revisited
Allis-Chalmers led the charge for a bigger, higher horsepower track type tractor following World War Two. The resulting model HD-19 was a breakthrough in many...
Caterpillar’s D7 tractor -‘the early years’
The iconic Caterpillar D7 has been in continuous production in various versions since 1935. It has fought in three major conflicts – WWII, Korea &...
The Vickers VR180 tractor
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 Allis-Chalmers HD-16 tractor
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...