bulldozer
US /ˈbʊlˌdoʊ.zɚ/
UK /ˈbʊlˌdoʊ.zɚ/

1.
a powerful tractor with a broad, curved steel blade at the front for pushing earth and debris
:
•
The construction crew used a bulldozer to clear the site.
•
A large bulldozer was brought in to demolish the old building.