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necessityLoading...
the tractor has big wheels which helps them go through tough things.Loading...
Tractors have 18 forward gears and 6 reverse gears.Loading...
John and Hiram invented a threshing machine, before this farmers had to use a curved knife.Loading...
Big tractor wheels help push through harder things.Loading...
Pg 4Loading...
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this is a picture of a new tractor and a old tractor.Loading...
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the motorsport is one of the fastest tractors in the world.Loading...
farmers made a cottenpicker to get cotten faster.Loading...
Pg 5Loading...
tractors are really big and haves a lot of atchmentsLoading...
tractors have a lot of things to help them with when harvesting