| A bulldozer is a large and powerful crawler tractor | | | | operator having to leave the operator seat. This |
| that is usually equipped with a front blade that is | | | | type of blade can be used in general applications. |
| used to move large amounts of soil, rubble and | | | | Crawler dozers can also have attachments on the |
| rock. A bulldozer can even be used to push | | | | back called Rippers that come in two different |
| equipment such as tractor scrapers. The term | | | | varieties a Single Shank Ripper (SS Ripper) or the |
| bulldozer is typically used to describe the crawler | | | | Multi-Shank Ripper (MS Ripper). Rippers are used |
| tractor variety of equipment and not the rubber | | | | to tear up rock and hard earth breaking it into |
| tired variety. | | | | smaller rubble for easier removal to allow for |
| Crawler dozer blades can be found in a variety of | | | | easier grading. • Single Shank Rippers |
| styles including: • Straight Blade or | | | | (SS Rippers) - Consists of one shank (long |
| S-Blade - Shorter blade with no curve or side | | | | claw-like device) preferred for heavy ripping. |
| wings that can be used in fine grading applications | | | | • Multi-Shank Rippers (MS Rippers) - |
| • Universal Blade or U-Blade - A tall and | | | | Consist of groups of two or more shanks. |
| very curved blade with large side wings that allow | | | | Bulldozers can be found on all types of |
| it to push more material • S-U Blade - A | | | | construction sites, mines, heavy industrial factories |
| combination blade that is typically shorter with less | | | | and even in military applications. Crawler dozers |
| curvature and will have smaller side wings. Can be | | | | are made by a number of manufacturers including: |
| found in a quarry setting. • Angle Blade | | | | • Caterpillar • Komatsu |
| or A-Blade - This type of blade pivots left or right | | | | • John Deere Headwater Equipment |
| to allow material to roll off to either side and is | | | | specializes in the sale of new, used and rebuilt |
| used in general applications. • Powered | | | | crawler dozers as well as the dozer blades, |
| Angle Tilt Blade or PAT Blade - Has hydraulics | | | | rippers, winches and parts you need to keep your |
| cylinders to power the angle or tilt without the | | | | dozer running smoothly. |