This model is now referred to as the D2 dozer.Ĭaterpillar does also have some wheeled dozers including the 814, 824K, 834K, 844K, and 854K models.ĭesigned with performance, efficiency, comfort, and reliability in mind, Liebherr bulldozers offer a variety of different options. This range has become what is now known as the D1 to D6. Previously, Caterpillar models were titled the D3K, D4K, D5K, D6K, D6N, and D7E. There is no D12 dozer currently.įor their specs, Caterpillar dozers range between 80 to 105 hp and 15,000 lbs to 20,000 lbs for the small dozers, 130 to 350 hp and 29,000 to 88,000 lbs for the medium dozers, and 450 to 800 hp and 100,000 lbs to 250,000 lbs for the large crawlers. Within their bulldozer portfolio, they make 18 models including the small D1, D2, and D3 dozers, their medium Cat bulldozers, the D4, D5, D6, D6XE, D7, and D8 dozers, and their large crawlers including the D9, D10T2 (Tier 4 Final), and D11 dozer, which is the biggest Cat dozer at 229,800 lbs. The following is a look at some more popular brands of bulldozer suppliers.Ĭaterpillar is one of the most recognized brands of heavy equipment and machinery. However, the strength of the machine will depend on different dozer specs, sizes, and models.Ī variety of bulldozer rentals are available on DOZR including machines ranging from 15,000 lbs up to 200,000 lbs. Many modern bulldozers have state-of-the-art technology built into them like grade technology or increased load-carrying performance. There are only a few manufacturers to consider when looking to buy or rent a dozer. The John Deere 550K dozer would be considered a small dozer The horsepower range of these machines is typically less than 100 hp for small, between 100 and 400 hp for medium, and above 400 hp for large. Small bulldozers are machines between 15,000 lbs and 25,000 lbs, medium dozers are between 25,000 lbs and 100,000 lbs, and large dozers are any machine above 100,000 lbs. There are also typically three sizes of dozers: small, medium, and large. The most common way to refer to bulldozers is through their specs including model number, operating weight, and horsepower. The rippers on the back of a bulldozer are used to break down rock or hard surfaces and make them easier to move. For example, root rakes are a great attachment when doing large-scale land clearing that can take out bushes and roots while leaving any of the soil behind. PAT blades are used for backfilling, leveling, land clearing, spreading, scraping, and grading projects.īeyond blades, dozers can also be fitted with rakes. These blades provide the most versatility because they can tilt, angle, and lift in every direction. Lastly, there are Power-Angle-Tilt blades or PAT blades. The S-U-blade is the most commonly used one. Angle blades allow for the blade to push materials to angles up to 30 degrees and are best for granular materials like snow or gravel. S-U-blades are less curved than U-blades and have smaller wings but are great for heavier materials. U-blades are more curved and have wings making them better options for jobs like ditching, hauling, or pushing where more loose materials like dirt or sand will be found. S-blades are wingless blades used for high-density materials like mud, stumping, or grading. There are several blade types including straight blades (S-blades), universal blades (U-blades), Semi-U (S-U-blades), and Angle Blades. While not the best machine for lifting and material handling, fitting the dozer with the right blade can help the machine become more efficient. The Different Dozer Blades and Attachments The ability to change the blade type adds versatility and multifunctionality to the bulldozer. Lastly, bulldozers can also be used to grade surfaces, rip out trees, and grind down rocks. They are also used often on landfill projects due to their ability to push around heavy loads. The bulldozer is a great addition to any excavation project and is often used alongside backhoes or excavators to move the excavated materials around.Īside from pushing around dirt and soil, bulldozers can be used to clear brush and waste using the ripper on the back. The heaviness of what the machine can push will change based on the dozer's specs.Ī bulldozer can also be used with other pieces of heavy equipment to effectively and efficiently complete a project. Since their large flat blades can be used to push and move large amounts of dirt or rock, dozers are often seen in a variety of commercial and large-scale industries such as construction, mining, and farming. Bulldozers can be used for a variety of different construction projects.
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