Diggers

Diggers book cover — Contents Bulldozer 4 Front End Loader 6 Backhoe 8 Excavator 10 Scraper 12 Compactor 14 Mini Excavator 16 Skid Steer 18 Mining Shovel 20 Bucket Wheel Excavator 22 Glossary and Index 24

Diggers — page 1 — Bulldozer These powerful large earth movers are usually first on a new work site CINITANI They push away debris and piles of earth and rocks

Diggers — page 2 — Giant diesel engines power the drive wheel at the back of the machine Did you know bulldozers have a giant ripper at the back They use this to tear up tree roots boulders concrete and asphalt ITIES with it and its These massive machines are over 30 feet 9 1 m long Bulldozers can weigh up to 100 tons 90 metric tons That's the same as 15 African elephants Bulldozers with air conditioned sealed cabs are used to help fight wildfires They can push vegetation out of the way to stop the fire from spreading Mechanic Mike says Crawler tracks also called caterpillar In tracks allow the bulldozer to move over rough uneven

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