Caterpillar put three types of newest wheeled tractor scrapers into market (2005-9-5)

It is reported that Caterpillar is developing selfpropelled scrapers. Currently, it perfected the design of three types of wheeled tractor scrapers (621G, 623G and 627G).

Some experts said, the three types of machine adopted C15 low emission engine of Caterpillar and full new cooling system (little reflection with block). In addition, the serviceability was improved largely, and the change of electronic system could increase the stability of this machine.

The former 3406E engine is replaced by C15 engine which meets the 3rd stage emission standard and keeps the excellent of bi-HP of former products. A full new designed electronic bunch has very long time service life.