Question 83 of 140

Why is it important to check the trailer's tandem axle slider (if equipped) for proper locking before a trip?

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Slider locking has no effect on trailer stability once moving
Sliders are purely cosmetic adjustments on the underside of the trailer with no real safety function
It only matters when the trailer is being loaded, not during driving
An unlocked slider can shift under braking or acceleration, changing weight distribution unexpectedly

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Correct answer to question 83 (Combination Vehicles): An unlocked slider can shift under braking or acceleration, changing weight distribution unexpectedly

Why

If the slider that adjusts tandem axle position is not properly locked, it can shift while driving, which changes weight distribution unexpectedly and can affect handling and legal axle weights.

Updated: November 2026

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Why is it important to check the trailer's tandem axle slider (if equipped) for proper locking before a trip?

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