In a tractor wheel, why is the Disc polygonal in shape
(like a square, hexagon or octagon) whereas for Commercial
vehicles and Passenger Cars the wheel has a circular disc?
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Answer Posted / karthick
i think most of the time tractor will run in slippery land
that is moisture surface rather than road.so if it is in
circular section slippery may occur because of poor contact
area or poor co-efficient of friction.so if it is made
hexagonal the surface contact will be more rather than
rolling contact. so some polygonal shape is given to
tractor wheels
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