Acco super bulldozer

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ACCO Super Bulldozer
Acco Superdozer.jpg
ManufacturerUmberto Acco
Length40 feet (12 m)
Width23 feet (7.0 m) (blade)
Height10 feet (3.0 m) (ripper)
Weight183 tonnes
PropulsionTwin 675HP Caterpillar Diesel

The Acco Super Bulldozer is the largest and most powerful tracked bulldozer ever made[citation needed]. It was built in Portogruaro in northern Italy, by the Umberto Acco company. The Acco super bulldozer was constructed mainly of Caterpillar parts; however. many other components were specially adapted. The dozer blade, for example, is bigger than anything Caterpillar has ever made. This bulldozer has a gross weight of 183 tonnes 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 (7.0 m) wide and 9 feet (2.7 m) high, whilst the total length of the bulldozer is over 40 feet (12 m), from the tip of the blade to the ripper on the rear. The ripper alone is about 10 feet (3.0 m) tall, being powered by huge hydraulic rams.[1][2]

This bulldozer was initially built to be exported to Libya in the early-1980s to help in land development.[citation needed] 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.[3] As a direct consequence of these trade restrictions, the completed Acco Dozer was never shipped to its intended destination.[4] This bulldozer has never been put to any operational use and was put into storage where it was built.[citation needed]

Acco ceased its existence when both Umberto Acco, the founder, and soon after, his son, died. They left no legacy to the management of the Acco company.[citation needed] In 2008, the main and secondary shops slowly turned into a dump yard of any kind of earth moving machinery, including the super bulldozer and its brother, a 200-ton super grader.[citation needed]

By the end of May 2012 the dozer had been moved away from the abandoned Acco facility and is now safely stored at a local gardening company in the same town to be preserved and eventually put on display.[citation needed] The Acco Superdozer moved under its own power onto the trailer that took it to the new location.[5][6]


  1. ^ "Acco Dozer". Flickr. Retrieved 2017-05-29.
  2. ^ Acco Dozer (2013-03-10), Acco Dozer - the biggest dozer of the world, retrieved 2017-05-29
  3. ^ "Executive Order for Sanctions Against Libya". The New York Times. January 8, 1986. p. 6. Retrieved October 18, 2019.
  4. ^
  5. ^ "Acco Dozer - Before the transport". Flickr. Retrieved 2017-05-29.
  6. ^ "Acco Dozer". YouTube. Retrieved 2017-05-29.