2021年12月20日 · Caterpillar released a new type of dozer blade in 1945, a pull-type scraper in 1946, and the first self-propelled wheel tractor-scraper in 1950. In 1952 it launched the first …

2015年2月4日 · Seen here passing a giant pylon close to the M1/M18 junction in 1966, the Cat 657 was a 44 cubic yard scraper and was one of the biggest scrapers deployed in the UK. In …

2013年3月13日 · Elevating scraper: Cat 623F. The first elevating scrapers were used in agriculture behind farm tractors. In the 1960s, they began resembling motor scrapers and …

2016年2月29日 · From its inception, the DW20 was fitted with a Caterpillar No 27, 2-drum cable control to handle trailed scrapers. This was a “live-drive” unit powered by a driveshaft that …

2017年6月23日 · For over 30 years, Caterpillar’s towed scrapers were a mainstay of most contractors’ earthmoving fleets. As a one man tool, they could cut spread and compact without …

2021年9月20日 · Creating quite a stir when it was first announced, the Caterpillar 657 has been the backbone of large capacity scraper fleets since 1962 and remains the largest two axle …

2012年2月8日 · Many Cat towed scrapers can still be found operating today, some converted to hydraulic operation, testimony to the soundness of their design. LeTourneau was a preferred …

2013年5月24日 · Looking in the can of the old scraper, it seems to be in good condition. The tires are shot. Is it hard to find rubber for these? Is there any value is selling one other than for …

Find 13 used Caterpillar scrapers for sale near you. Browse the most popular brands and models at the best prices on Machinery Pete.

2009年11月4日 · I have attached a photo of an old Cat scraper. I believe it was built for the US Army. It appears to be a mix of a D7 dozer blade, a 824 or 834 wheel dozer, and a 631 …