What are the World’s 10 Biggest Bulldozers? A Guide to Heavy Earthmovers

A bulldozer—also known as a crawler tractor or dozer—is a massive earthmoving machine designed to clear land and transport materials on large-scale mining and construction projects. Ranging from 18 to over 100 metric tons, these iconic machines are essential for grading roads, preparing infrastructure, and hauling ore. Whether you are searching for a bulldozer for sale to expand your fleet or a bulldozer for rent for a specific project, understanding the power and technical specs of these giants is key. This article explores the ten biggest bulldozers ever made, highlighting the engineering marvels that drive today’s global projects.

The 10 Biggest Bulldozers in the World

The biggest dozer in the world is the Acco Super Dozer, at a 183 metric tonnes operating weight. The dozer never really operated, though, and is now merely considered a historical piece of engineering.

Here’s a quick rundown of the top 10 biggest dozers ever made, in descending order:

1. Komatsu D575A

At number one is the Komatsu D575A-3 SD crawler dozer. The “SD” stands for Super Dozer, and with 153 metric tonnes, it is indeed a super dozer. In fact, it is the largest Komatsu dozer ever built by the Japanese manufacturer. Since the Acco Super Dozer was never utilized for its purpose, a lot of people consider the Komatsu D575 to be the largest bulldozer ever made. Though still in production, this particular model can be found in the archival product list on Komatsu’s website, since it has only been custom-built specifically for large-scale mining operations in Australia and elsewhere.

2. Caterpillar D11

The second runner-up is Caterpillar’s D11, which is the largest Caterpillar bulldozer in production right now. Al Marwan Machinery proudly owns and operates one of these earthmoving marvels, and it’s currently at work on Saudi Arabia’s NEOM mega-project. The 850 HP dozer comes with several blade types with a capacity of up to 34.4 cubic meters. 124 metric tonnes make it the biggest caterpillar bulldozer in the world.

3. Komatsu D475A

This is the second to the largest Komatsu dozer, the D475A bulldozer. It boasts 112.6 metric tonnes of weight, coupled with a 1,040 HP diesel engine, making every push very much worth the money. This crawler dozer is in high demand for those looking for bulldozer for rent for major projects such as Arada’s Aljada development project.

4. Shantui SD90

With 106 tonnes, this machine is the largest bulldozer made in China. The Shantui SD-90 crawler dozer has an electrifying 962 horsepower engine, making it a sought-after fit for large-scale mining projects in China and Southeast Asia.

5. Fiat Allis FD50

Usually written Fiatallis or Fiat-Allis, the company was actively producing heavy equipment until the late 1990’s, most notably dozers and loaders. The FD50 was the company’s largest bulldozer, standing at 80 metric tonnes. Throughout its years in business, the Fiatallis brand went into several joint ventures with global machinery manufacturers such as Hitachi and Case, before the brand was officially taken down off the market in 99.

6. Caterpillar D10

The second biggest Caterpillar dozer in the world is the D10, with up to 77 tonnes operating weight. According to Wikipedia, D10s feature the highest drive system among their predecessors. Mainly because of the elevated sprocket system, which was first applied in 1977. It separated the suspension from the tractor's drive train, dramatically reducing stress on both and increasing their durability.

7. Liebherr PR776

The large PR776 is the biggest Liebherr dozer in production today. Manufactured in Germany for the European market, the 6th generation Liebherr PR776 Litronic crawler dozer has an operating weight of 73 metric tonnes, and a 768 HP diesel engine. It can be fitted with a large carrydozer blade, which has a capacity of 22 cubic meters.

8. Caterpillar D9

Coming in strong as the third biggest Caterpillar bulldozer in the world is the Caterpillar D9 crawler dozer. The dozer features either the Caterpillar C18 ACERT (D9T) or the 3408 HEUI (D9R) diesel engines, topping an electrifying 452 horsepower. What makes this tractor a top choice for the construction industry is its blade options, from 13.5 to 16.5 m3.

9. John Deere 1050K

Second to last on our list is the Deere 1050K crawler dozer, which is the largest John Deere bulldozer ever built. Manufactured in the US for medium-scale construction and agriculture projects, the 48-ton tractor features a Final Tier 4 diesel engine capable of outputting 350 horsepower.

10. Caterpillar D8

At 40 tons, Caterpillar D8Ts are among the most popular dozers on the market when it comes to general earthmoving tasks on construction sites. This is due to their highly versatile build, with multiple blade and ripper options, making them adaptable to several applications. There are over 33 Caterpillar bulldozers on Al Marwan’s fleet between the conventional track and LGP configurations.

Whether you work in roadbuilding, quarries or mines, land clearing, site development, or general contracting, dozers become an indispensable part of your earthmoving fleet.

Owning two of the largest bulldozers in the MENA region, Al Marwan’s heavy equipment rental boasts several Caterpillar D11s and Komatsu D475A-5s on its rental fleet, as they’re easing supply for the high demand for robust earthmoving machinery. With just a few clicks, customers can access a wide range of bulldozer for sale. For time-sensitive customers looking for a bulldozer for rent, check out the full range with varying size classes from 40 tons up to 108 tons.

About Al Marwan Machinery

Leading heavy machinery provider in the GCC since 1978. Recognized as the GCC Rental Company of the Year for three consecutive years (2023, 2024, 2025), Al Marwan is the trusted one-stop shop for construction projects across the UAE, Saudi Arabia, and Oman. As an authorized dealer for brands like Kobelco, Powerscreen, Dynapac, Sinoboom, Socma, and CIFA, we offer a comprehensive suite of services covering the entire machinery lifecycle:

• ​​New Heavy Equipment: As an authorized dealer, Al Marwan offers access to the latest models of excavators, crawler cranes, crushers, concrete pumps, and more. All new machinery comes backed by manufacturer warranties.
• Heavy Equipment Rental Fleet: Access one of the largest construction equipment rental fleets in the Middle East, featuring 3500 machines and certified operators. This allows clients to scale operations efficiently, minimizing capital expenditure.
• Used Heavy Equipment: We offer a curated selection of used equipment from global leaders like Caterpillar, Volvo, Komatsu, and Hitachi. Each piece undergoes rigorous inspection and maintenance to guarantee optimal performance and reliability.
• Expert Support & Maintenance: Al Marwan provides comprehensive after-sales support and maintenance services to ensure the long-term performance and reliability of your investments.

By choosing Al Marwan, businesses gain a trusted partner dedicated to success and driving progress in the heavy construction landscape across the Middle East and GCC region.