- These are the world's top 10 biggest man-operated machines in the world.
- They include a monster bulldozer and a piece of machinery known as 'Big Bertha'.
These are the top 10 biggest man-operated machines in the world:
10. Komatsu D56A Dozer
It's 4.8 metres tall, and operating at 1,150 horsepower, the D575A is the world's biggest bulldozer. The D575A is mostly used in mining operations, and can move 70 cubic metres per pass.
9. P&H L-2350 Loader
Also made by Komatsu, the P&H L-2350 Loader holds the world record for "biggest earth mover." This loader can lift 65,300 kilograms of material as high as 7.3 metres in the air.
8. Liebberr 9800 Mining Excavator
Also popular in the mining industry is the Liebherr 9800, which can easily clear 42 cubic metres at once. But that kind of strength isn't surprising for a machine that weighs nearly 907,184 kilograms.
7. Belaz 75710
The Belarussian Belaz 75710 recently became the world's biggest and most powerful dump truck. It's 8.22 metres tall, with four 2,300 horsepower engines, the Belaz 75710 is strong enough to carry 408,233 kilograms.
6. CAT 6090 Hydraulic Shovel
In 2012, Caterpillar unveiled the largest hydraulic mining shovel ever built. The CAT 6090 is also energy efficient, as it stores power during swing deceleration.
5. P&H 4100XPC Electric Rope Shovel
Komatsu strikes again with a gigantic electric rope shovel that lets one man lift up to 67 cubic metres. Of course, this shovel's operator gets plenty of help from the efficient design of this 98,883 kilograms.
4. Big Muskie
Once the world's largest mobile-earth moving machine, the Big Muskie could lift two Greyhound buses at once. Due to environmental restrictions, the R1.4 billion ($113 million) machine was sold for R9.2 million ($700,000) in scrap metal in 1999.
3. NASA Crawler-Transporter
These 34.74 metres tall platforms have the important mission of moving NASA rockets to their launch pads. Even at R185 million a piece, speed is not their selling feature, since they move at about one-and-a-half kilometres per hour.
2. Big Bertha
The world's largest tunnel boring machine is called "Big Bertha," after Seattle's first female mayor. At 17.37 metres in diameter, "Big Bertha" was built to dig a 3.2 kilometre long roadway under downtown Seattle.
1. Bagger 293 Bucket Wheel Excavator
The Bager 293 is the largest land vehicle in world history. It stands 96 metres tall, weighs 14 million kilograms, and can move 240,000 cubic metres of soil per day.
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