Free California Combination Vehicles CDL Test 2025

Master the combination vehicles with real California DMV questions and expert explanations

10 Questions

Access all practice questions

What is the Combination Vehicles Test?

The Combination Vehicles test is required to obtain a Class A CDL, which allows you to drive truck-trailer combinations where the trailer weighs more than 10,000 pounds. This test covers the skills and knowledge needed to safely operate tractor-trailers and other combination vehicles.

Test Details:

20 questions, 80% to pass, 30 minutes
Required for: Class A CDL
Included in CDL permit fee for Class A license

Career Opportunities:

Long-haul truck driving
Regional freight delivery
Intermodal transportation
Heavy equipment transport

California Combination Vehicles Test Topics

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Coupling and Uncoupling (6 questions)

• Pre-coupling inspection procedures
• Proper coupling techniques
• Safe uncoupling procedures

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Vehicle Inspection (5 questions)

• Trailer inspection procedures
• Fifth wheel and kingpin checks
• Air line and electrical connections

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Driving Techniques (5 questions)

• Backing with trailers
• Turning and cornering safely
• Managing trailer swing

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Safety Considerations (4 questions)

• Rollover prevention
• Brake usage and stopping distance
• Weight distribution effects

California Combination Vehicles Study Tips

1
Practice coupling and uncoupling procedures step-by-step
2
Learn the fifth wheel inspection points thoroughly
3
Study trailer backing techniques and reference points
4
Understand weight distribution and bridge laws
5
Review California combination vehicle regulations
6
Understand California bridge laws and weight restrictions

What to Expect on the Test

20

Questions

16

Correct to Pass

80%

Passing Score

Multiple choice format

Computer-based testing

30 minutes time limit

Immediate results

Frequently Asked Questions About California Combination Vehicles

When do I need a Combination Vehicles test?

You need to pass the Combination Vehicles test to obtain a Class A CDL, which allows you to drive truck-trailer combinations where the trailer weighs more than 10,000 pounds.