Tag : Isaacson

Classic Machines Tractors

The Allis-Chalmers HD-20, last of A-C’s GM-powered Crawlers

Contractor Magazine
A big tractor in its day, The Allis-Chalmers HD-20 was another part of the power struggle that took place between Allis-Chalmers and International-Harvester during the
Classic Machines Contractor

Classic machines: The International-Harvester TD-24 revisited

Charles Fairbairn
The end of World War Two saw a massive increase in the demand for heavy equipment. Top of contractors’ wish lists were large, high horsepower,
Forgotten companies

Forgotten companies: Carco

Charles Fairbairn
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
Classic Machines Forgotten companies

Forgotten companies: Bucyrus-Erie

Charles Fairbairn
The Bucyrus-Erie Company was world famous for it’s range of face shovels, draglines, cranes and other mining and quarry equipment. However, it also made a
Classic Machines Tractors

Classic Machines: The International TD-24 tractor

Charles Fairbairn
As soon as material constraints were removed prior to the end of WW2 the major earthmoving machinery companies set about designing new equipment to cater
Classic Machines Tractors

Classic Machines: A landmark machine

Charles Fairbairn
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