Free images results:
 

Bulldozer pictures, stock photos and images

 
1


 
 
1


 
Also, here are some commercial RF-licensed images that match your search criteria:  
Bulldozer Royalty Free Stock Image
Author: Rony029
Bulldozer Royalty Free Stock Image
Author: Bear66
Bulldozer Royalty Free Stock Image
Author: Gazprom
Bulldozer Royalty Free Stock Photos
Author: Cfarmer
Bulldozer Stock Photography
Author: Suljo