Thursday, January 4, 2024

THE ACCO SUPER BULLDOZER AND THE KOMATSU D575A TRACTOR-CRAWLER

The Acco Super Bulldozer is the largest and most powerful tracked bulldozer ever made. It was built in Portogruaro in northern Italy by the Umberto Acco company. This bulldozer has a gross weight of 183 tons and is powered by two 675 hp (503 kW) Caterpillar engines placed horizontally opposed, which deliver a total combined output of 1,350 hp (1,010 kW). The super bulldozer has a blade that is 23 feet wide and 9 feet high. The total length of the bulldozer is over 40 feet from the tip of the blade to the ripper on the rear. The ripper alone is about 10 feet tall, being powered by huge hydraulic rams. 

This bulldozer was initially built to be exported to Libya in the early 1980s to help in land development. As the Leader of Libya, Colonel Gaddafi, was heavily involved with international terrorism at that time, the United States imposed a trade embargo on that country in 1986. As a direct consequence of these trade restrictions, the completed Acco Dozer was never shipped to its intended destination. This bulldozer has never been put to any operational use and was put into storage where it was built. 


THE ACCO SUPER BULLDOZER

The Komatsu D575A tractor crawler produced in a 'SR' (Super Ripper bulldozer/ripper configuration), or as a dedicated bulldozer in the form of the 'SD' (Super Dozer). Is the world’s largest production bulldozer. 

Specifications:

·         1,150 horsepower

·         Weighs 152 tons

·         16 feet tall and has a ground clearance of 2 feet 5 inches

·         Maximum speed of 7 miles per hour

·         Blade capacity is approximately 90 cubic yards

·         Fuel tank capacity is around 422 gallons 

Due to its immense size, the D575A must be broken down into component form when it is moved from one job site to another. Moving all the components requires six to eight truck loads depending on local laws.


A Komatsu D575 pictured with a man leaning against the push arm.

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