CaterpillarThe Caterpillar 641 single engine scraperContrafed PUblishingOctober 31, 2016September 23, 2024 by Contrafed PUblishingOctober 31, 2016September 23, 2024 Up until 1962 Caterpillar had not really ventured into the world of large scrapers other than in its line of cable operated towed models. However,...
CaterpillarScrapersThe Caterpillar 630A scraperContrafed PUblishingMarch 30, 2016September 27, 2022 by Contrafed PUblishingMarch 30, 2016September 27, 2022 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...
CaterpillarThe Caterpillar 922 wheel loaderContrafed PUblishingMarch 29, 2016September 23, 2024 by Contrafed PUblishingMarch 29, 2016September 23, 2024 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...
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...
CaterpillarScrapersThe Caterpillar 631A scraperContrafed PUblishingMarch 24, 2016September 23, 2024 by Contrafed PUblishingMarch 24, 2016September 23, 2024 A direct descendent of the 1950’s DW21, the 631A was introduced in 1960 and was the second of Caterpillar‘s new ‘600’ series motor scrapers to...
CaterpillarClassic MachinesThe Caterpillar DW15 scraperContrafed PUblishingOctober 6, 2015September 24, 2024 by Contrafed PUblishingOctober 6, 2015September 24, 2024 The Caterpillar DW15 Revisited Back in the May 2005 issue of Contractor we had a look at Caterpillar’s DW10 successor, the DW15. Page space was...