2017年2月27日 · The Caterpillar DW21 went on to become a very successful scraper for Cat and also laid the groundwork for the later two-axle 600 series machines.

2020年10月29日 · The first Caterpillar wheel tractor-scraper, called the Caterpillar DW21, was manufactured for heavy construction contractors. It was Caterpillar’s answer to the …

2017年7月26日 · There were basically six versions of the DW21 built by Caterpillar over the period of its development. Commencing with the 8W series in 1951, this featured the No 21 …

2021年12月20日 · Browse a wide selection of new and used CATERPILLAR DW21 Scrapers auction results near you at MachineryTrader.com

2020年11月6日 · The high-speed Caterpillar DW21 wheel tractor-scraper moves 20 cubic yards of highway dirt at 20 miles per hour. Source: Caterpillar 600 series ushers in new name. In 1960, …

2017年2月26日 · There were basically six versions of the DW21 built by Caterpillar over the period of its development. Commencing with the 8W series in 1951, this featured the No 21 …

1956 Caterpillar DW21 Cable Scraper, Has Electric Start Pony Motor, 5 Speed Transmission, 29.5-29 Tires, 470 Bowl 17 Yd. Approximately, Cable Operation, Hydraulic Steering, 334- 6 …

2018年4月1日 · Caterpillar DW21, serial no 69C1977 was one of six DW21’s that Chris Blackwell bought on the strength of winning one of the contracts to build the M1 motorway. The new …

2015年2月4日 · The 18 cubic yard DW-21 was Caterpillars first two-wheel tractor unit style motor scraper and was first released in 1951. This Caterpillar 631A model is seen working on the M1 …

In the hands of a skilled operator a single track type tractor with towed scraper can dig, haul and spread without the need for any other ancillary equipment. It can even compact the fill by …