Tag : Hyster

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...
Caterpillar D7 model Tractors

Caterpillar’s D7 tractor -‘the early years’

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The iconic Caterpillar D7 has been in continuous production in various versions since 1935. It has fought in three major conflicts – WWII, Korea &...
Classic Machines Forgotten companies

Forgotten companies: Isaacson

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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...
Caterpillar elevating J621 scraper Scrapers

The Caterpillar DW15 scraper

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630A scraper cable-operated Caterpillar Scrapers triple axle

The Caterpillar 630A scraper

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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...
Allis-Chalmers First Gear HD-21 heavy tractor Model Collector

The Allis-Chalmers HD-21 tractor

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