CaterpillarCaterpillar’s first D9 tractorContrafed PUblishingMarch 28, 2016September 23, 2024 by Contrafed PUblishingMarch 28, 2016September 23, 2024 When released in 1955, the Caterpillar D9D was one of the world’s largest and heaviest track type tractors, only exceeded in size by the Euclid...
CaterpillarClassic MachinesThe Caterpillar DW20 motor scraperContrafed PUblishingFebruary 29, 2016September 24, 2024 by Contrafed PUblishingFebruary 29, 2016September 24, 2024 Back in the June 2006 issue of Contractor we had a look at one of Caterpillar’s most successful motor scrapers of the 1950s, the model...