North Dakota Combination Vehicles Test

About the North Dakota Combination Vehicles Test

North Dakota’s roads demand skill. You’ll face long stretches of I-94, gusty winds on US-2, and winter ice that tests your coupling and braking. Combination vehicles — trucks pulling trailers — are the backbone of our grain, oil, and livestock industries. This practice test mirrors the real ND DMV written exam, so you’ll know exactly what to expect.

We cover the critical stuff: air brake systems, coupling and uncoupling, trailer sway control, and inspection procedures. Each question comes from the official North Dakota CDL manual. Don’t waste time on generic tests. This one’s built for North Dakota drivers.

You’ll answer 20 multiple-choice questions. You need 80% to pass. That’s 16 correct. Take your time — you’ve got 25 minutes. Miss a question? Our detailed explanations show you why the answer is right. Review them, then try again.

Ready to start? Click the button below. No signup required. Just practice, learn, and pass your ND Combination Vehicles test on the first try.

What This Test Covers

• Coupling and uncoupling — crucial for the many grain trucks that hook and unhook daily on North Dakota farms.
• Air brake systems — winter temps in ND freeze moisture, so you must know how to drain air tanks and avoid brake failure.
• Trailer sway control — crosswinds on the flat plains can toss a trailer; we teach you to counter that.
• Pre-trip inspection — the ND DMV checks every step; practice spotting defects before your test.
• Speed management — slick roads near Minot or during harvest require slower speeds for combination vehicles.
• Loading and weight distribution — too much weight on the rear axle? That’s a common ND violation we help you avoid.

Study Tips

Start with the official North Dakota CDL Manual. Focus on the Combination Vehicles section — it’s short but dense. Use this practice test to identify weak spots. Don’t just memorize answers; understand why each rule exists. For example, why must you always lock the trailer brakes before coupling? Because a rolling trailer can crush you.

Practice the pre-trip inspection aloud. Say each step as you’d do it for the DMV examiner. North Dakota examiners watch for thoroughness. Check air lines, glad hands, and landing gear. Don’t skip the breakaway test. And remember: in ND, you’ll likely do your test on a real truck, not a simulator. Colder months mean extra steps — like checking for ice on glad hands.

Take the test multiple times. Each attempt shuffles questions. Track your progress. When you consistently score 90% or higher, you’re ready to book your DMV appointment. Good luck — you’ve got this.

North Dakota DMV Information

You can take the written Combination Vehicles test at any North Dakota Driver License site. Major locations include Fargo, Bismarck, Grand Forks, Minot, and Williston. Appointments are required — walk-ins aren’t accepted. Schedule online at the ND DOT website or call your local office. Plan ahead; slots fill up quickly during harvest season.

The written test fee is $10. You’ll need to pass it before you can attempt the skills test. Bring your valid driver’s license, proof of residency, and your medical certificate (if applicable). If you fail, you can retake the test after one business day. No limit on attempts, but each time costs $10.

For the skills test, you’ll need to provide a combination vehicle that meets ND DOT standards. It must have valid registration and insurance. The examiner will walk you through the pre-trip, basic controls, and road drive. Don’t rush — safety is what they grade. Pass the written first with our practice test, then tackle the skills.

Frequently Asked Questions

Related Resources

Other North Dakota CDL Practice Tests

Test Details

• State: North Dakota
• Test: Combination Vehicles Test
• Questions: 106
• Passing Score: 80%
• Time Limit: 25 minutes
• Cost: Free

Need ELDT Training?

If you're getting your first CDL, you need ELDT theory training before your skills test.