Classic MachinesEarthfill Compaction – A Brief HistoryContrafed PUblishingOctober 25, 2021October 25, 2021 by Contrafed PUblishingOctober 25, 2021October 25, 2021 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...
630A scraper cable-operated Caterpillar Scrapers triple axleThe Caterpillar 630A scraperContrafed PUblishingMarch 30, 2016February 23, 2022 by Contrafed PUblishingMarch 30, 2016February 23, 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...