Question

Why the inflation pressure of rear wheels of tractor is less than the front wheels ?

• A. To increase speed
• B. To improve traction
• C. To reduce friction
• D. To increase life

Hint:

Lower pressure = Bigger footprint = Better grip.

Answer 1

The Correct Option is B

Step 1: Concept
Tractor tire pressure is managed to optimize the contact area between the rubber and the soil surface.

Step 2: Meaning
Lower pressure in the large rear tires allows them to "flatten" slightly, increasing the footprint on the ground.

Step 3: Analysis
A larger footprint distributes the tractor's weight better, reducing soil compaction and significantly increasing the grip or traction required to pull heavy implements. Front wheels are smaller and carry less load during pulling, so they require higher pressure to maintain steering control.

Step 4: Conclusion
Therefore, the primary reason for lower rear tire pressure is to maximize traction in the field.
Final Answer: (B)