Classic MachinesThe Bottom DumpContrafed PUblishingOctober 10, 2022December 3, 2022 by Contrafed PUblishingOctober 10, 2022December 3, 2022 One of the very first high-volume dirt haulers, bottom dumps were very popular for bulk haulage and are still in use today. By Richard Campbell...
cable-operatedCaterpillarScraperstriple axleThe 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...