Consider the following statements?


1. wheeled tractors travel faster

2. crawler tractors are more expensive

3. track parts of a crawler wear out quickly

4. crawler tractors have stick control


A.1,3 and 4 are correct

B. 2, 3 and 4 are correct

C. 1,2 and 3 are correct

D. 1, 2 and 4 are correct

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