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2026 Minnesota Pretrip CDL Practice Test 3

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The 5th wheel is mounted on the back of the tractor, it lifts the trailer slightly when it contacts the apron when you are coupling the vehicles, and it houses the locking jaws which wrap around the shank of the kingpin to securely attach the trailer. True or False: The 5th wheel should be greased, no illegal welds, not damaged, and tilt with enough pressure.
Correct Answer:
True

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