Bulldozer

A bulldozer is a large heavy tractor fitted with tracks and a blade that can push large piles of material around a work site.  They consist of tracks, blade, and a cab.  Sometimes they are additionally fitted with a ripper for loosening ground obstructions.  There are many different versions of the blade that are fitted to a bulldozer for general and specific purposes.   Bulldozers are most often used in ground preparation and road construction but are used commonly on most constructions sites for back-filling and many other purposes.