The Euclid/Terex 82-40
At the request of customers, the Euclid 82-40 was developed to fill a gap between the company’s existing 82-30 and TC-12 dozers. By Richard Campbell....
Tag : Hyster
Earthfill Compaction – A Brief History
Good compaction of fill is essential if you are to avoid subsidence. The Romans and Egyptians knew it and so did the so-called “primitive” tribes...
Forgotten companies: Carco
Many of the readership will identify the name Carco as being associated with logging winches and forestry equipment. However, Carco’s roots go much further back...
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 &...
Forgotten companies: Isaacson
Back in time when the track type tractor was still considered a new tool for earthmoving, there were dozens of companies offering attachments to outfit...
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 HD-21 tractor
Developed directly from its model HD-20 (introduced 1951), the HD-21 featured among other things, one of the diesel engines from the recently acquired Buda Engine...