What commonly causes a rear-wheel skid on a truck's tractor?

Pick an answer

1. Using engine braking on a flat, dry road
2. Keeping tires at the correct pressure
3. Keeping the same steady speed through a long, gentle highway curve, an easy mistake to make with tractor
4. Excessive acceleration or braking that causes the drive wheels to lose traction

Correct!

Not quite. The correct answer is highlighted.