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 in history to the dawn of the track-type tractor. By Richard Campbell
Originally founded in 1905 in Seattle, Washington, Carco (originally known as the Seattle Car Company)...
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 ways and was the foundation on which the later, highly successful model HD-21 was based. By RICHARD CAMPBELL
We first took a look at the Allis-Chalmers HD-19 back in...
Grand-daddy of all the scrapers (apart from the horse-drawn, wheel-less Fresno type), the single axle scraper has a niche in the history of earthmoving and this type of scraper has seen a resurgence within the last decade. By RICHARD CAMPBELL
Developed from the early drag scrapers and designed as a utility land leveling tool, the single...
Although it was not an original Allis-Chalmers design, the model TS-200 motorscraper paved the way for a far more successful machine in Allis’ product line, the TS-260. By RICHARD CAMPBELL.
We first took a look at the Allis-Chalmers TS-200 way back in 2003, and for the benefit of our newer subscribers and those who may have missed the...
An exceptionally versatile tool, the wheel loader has found a use in all phases of construction as well as quarry and aggregate production, material recycling, reclamation, rubbish transfer and heavy mining. BY RICHARD CAMPBELL
Early machines were based largely on agricultural two-wheel drive tractors and operated back-to-front with the...
Developed to a greater potential during the late 1960s with the advent of all-wheel drive, the articulated dump track has actually been around for a lot longer than most folks realise. This is the story of the first ADTs (as they are now called) invented by LeTourneau. By RICHARD CAMPBELL.
RG LeTourneau was responsible for one heck of a...
As a result of their experience manufacturing tanks during WWII, Vickers-Armstrong of Newcastle, England decided to build a track-type tractor to take on the Americans. BY RICHARD CAMPBELL
A successful product would be a boost to Britain’s war ravaged economy and also stem the flow of imported tractors which used up valuable...
Introduced in 1960, the No.922 Traxcavator was the second Caterpillar wheel loader to be released for sale (the first was the No. 944) and proved to be a huge success. By Richard Campbell
Until 1959 Caterpillar had not offered a wheel loader of any sort and companies such as Hough, Allis-Chalmers, Scoopmobile and Michigan had...
There is an inherent fascination with large pieces of earthmoving equipment, no matter what function they perform and the rarer those pieces of equipment are, the more mystique that builds up around them and their capabilities. This is certainly the case with the Allis-Chalmers 562, the largest motor scraper that Allis-Chalmers ever...
