In Texas, Class A CDL is required for:

Combination vehicles with GCWR over 26,001 lbs and trailer over 10,000 lbs

When coupling in Texas, the trailer height should be:

Slightly lower than fifth wheel so it rises when coupling

The proper coupling sequence is:

Inspect, position, back under, connect air, raise gear, test

Fifth wheel should be checked for:

Cracks, loose mounting, proper greasing, secure locking

When should you visually check coupling after backing under?

Always - verify no gap between apron and fifth wheel

Texas Practice Tests

15 Questions

Texas CDL Combination Vehicles Test

Based on the Official Texas DPS CDL Manual

80%

Passing Score

After the practice test

Turn a practice score into a pass in Texas

Practice questions show you where you are. These are the three things people use next, in the order they usually use them.

Doubles and Triples endorsement guide

Coupling, uncoupling and the combination-vehicle rules, in test order.

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Full-length Combination Vehicles exam

Timed, scored and explained, on CertQuestUSA, our exam-prep site. Free to take; results show the sections to reread.

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Find the school for the road test in Texas

Every listing shows tuition, financing and whether the school runs company-paid or WIOA-funded seats.

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Other Texas Practice Tests

Air Brakes(50 questions)General Knowledge(50 questions)HazMat(50 questions)Passenger(15 questions)School Bus(15 questions)Tanker(15 questions)

Tips for the Combination Vehicles Section

1.Study the Combination Vehicles section of the official Texas DPS CDL
2.Focus on Texas-specific rules and regulations
3.Take this practice test multiple times until you score 80%+
4.Review explanations for every question you miss

Disclaimer: This practice test is for educational purposes only and is not affiliated with or endorsed by the Texas DPS or the FMCSA. Questions are based on the publicly available Texas CDL Manual and are designed to help you prepare for the official exam. Always study the official Texas CDL handbook for the most accurate information.