Caterpillar elevating J621 scraper ScrapersThe Caterpillar DW15 scraperContrafed PUblishingMarch 31, 2016February 23, 2022 by Contrafed PUblishingMarch 31, 2016February 23, 2022 ...
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...