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

The L-2350 loader, from American earth-moving machinery manufacturer LeTourneau Inc., holds the Guinness World Record for Biggest Earth Mover.
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.