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There are many reasons such as more surface friction, more pulling power, torque...............
Smaller front wheels allow the vehicle to make tighter turns. A very tall front tire would hit the engine block if turned too sharply.
There have been many good answers given and there is no need to comment any thing else
Tractors use rear wheel drive because they are designed to tow trailers or pull lawn mowing/tilling equipment.
Dynamically speaking, adding a trailor to a vehicle increases the down force on the rear wheels while having no effect on the front wheels. Similarly, a snow plow add-on will, in use,
potentially decrease the down force on the front tires while having minimal effect on the rear tires.
Big tires on the driven rear axle allow for more grip and reduce the chances of the vehicle digging itself into a rut or getting stopped by a low barrier.
Big tires mean more surface area resulting in less soil compaction, which is good for farmers tilling fields.
Big or sometimes double rear tires, just to reduce the pressure per mm2, foor not sinking in soft soil or get less pressure because of road regulations
Product components depend mainly on functionality, so like you've mentioned they could be to reduce friction, to enhance off-roading experience etc
More stabilty and grip also reduce tyre burn
I don't know, is it because of the weight and balance?
هل تحتاج لمساعدة في كتابة سيرة ذاتية تحتوي على الكلمات الدلالية التي يبحث عنها أصحاب العمل؟