Ohio CDL Combination Vehicles: Uncoupling Test 2026

Separating a tractor from a trailer safely is just as procedural as joining them, and the uncoupling section of the Ohio CDL combination test checks that you know the order. Rushing this is how trailers fall or land unevenly in an Ohio yard.

The steps run from positioning the rig and easing pressure off the fifth wheel, to setting the trailer supply so the trailer brakes hold, lowering the landing gear until it just bears weight, chocking the trailer wheels, disconnecting and stowing the air lines and electrical cord, then pulling the fifth wheel release and slowly driving out from under the trailer. Lowering the landing gear fully before you pull clear keeps the trailer stable in 2026.

Practice the uncoupling sequence in the Ohio CDL Manual until it is muscle memory. The exact number of combination questions is not fixed statewide, so verify the current 2026 count in your Ohio commercial driver license manual first.

Keep going:

• Ohio CDL Combination Practice Test
• Ohio CDL Combination Practice Test 2
• Ohio CDL Combination Practice Test 3
• Ohio CDL Combination Vehicles Test
• Ohio CDL Practice Test
• Ohio Air Brakes Practice Test
• Ohio CDL Pre-Trip Inspection Practice Test
• Ohio Hazmat Practice Test
• Ohio Class A CDL Practice Test
• Ohio CDL Practice Test

Every question traces back to the Ohio CDL Manual - skim the right-of-way and signs chapters before your retake.