Quizzes & Puzzles5 mins ago
Tractors
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Why do tractors have two big wheels at the back and two small wheels at the front?
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For more on marking an answer as the "Best Answer", please visit our FAQ.Its the only way you can get ground clearance from the differential, the differential being the lowest point of a tractor, on four wheel drive tractors where they have a differential at the front as well they also have large wheels. lots of ground clearance needed for spanning crops etc so not to damage them.