Tag : Isaacson

Classic Machines

Early development of the ripper-it started with a ‘rooter’

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These days, most of us do not pay much attention to the ripper fitted to a dozer, loader or motor grader, but there is quite...
Classic Machines

Equipment Controls – the cable era

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caption: Another very popular LeTourneau PCU was the front mounted Model AN8, seen here fitted to a reasonably new Caterpillar D8-1H series. The tractor also has a...
Classic Machines

Earthfill Compaction – A Brief History

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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

Forgotten companies: Carco

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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...
Forgotten companies

Forgotten companies: Bucyrus-Erie

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The Bucyrus-Erie Company was world famous for its range of face shovels, draglines, cranes and other mining and quarry equipment. However, it also made a...
International-HarvesterModel CollectorSpec Cast

The IH TD-24 tractor

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Forgotten companies

Forgotten companies: LaPlant-Choate

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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...
CaterpillarTractors

Caterpillar’s Diesel Sixty: A landmark machine

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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...