The Caterpillar D8 dozer
A true classic tractor in every sense of the word, the Caterpillar D8 has been around in various forms since 1935. BY RICHARD CAMPBELL This...
Tag : LeTourneau
The Allis-Chalmers HD-19 tractor
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’s LW12 Tournatractor
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...
Wooldridge’s scraper range
Wooldridge is not a name many of our readers will be familiar with and yet it was an important evolutionary branch of the motor scraper...
Forgotten companies: LaPlant-Choate
LaPlant-Choate is not a well-known name in New Zealand. In fact if you mentioned it to a contractor today he would probably give you a very...
The Caterpillar DW10 scraper
The Cat DW10 was the second article of mine that was published in Contractor, in June 2002, and was a single page offering with only...
The Allis-Chalmer’s HD-14 tractor
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....
Caterpillar’s Diesel Sixty: A landmark machine
The Diesel Sixty marked a significant milestone in the development history of the track type tractor in that it was the first such diesel engined...