How Do Big Rigs Work?

How Do Big Rigs Work? — page 1 — What IS a Big Rig A huge truck drives down the highway It is a big rig O O OD a LL ARLE

How Do Big Rigs Work? — page 2 — A big rig has two main parts The front is called a tractor The tractor pulls a trailer This is a tractor The trailer is behind it 9 to

How Do Big Rigs Work? — page 3 — This trailer is loaded with cargo A big rig can pull 80 000 pounds 36 287 kilograms That is like pulling 1 400 eight year olds frater AW Snapple G What kind of cargo do you think this trailer is

How Do Big Rigs Work? — page 4 — The tractor needs a powerful engine to pull its load The engine changes fuel into energy that turns wheels A big rig has a diesel engine This is a diesel engine It burns a type of fuel called

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