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North Dakota CDL Class B to A Upgrade Study Material

Everything for upgrading a North Dakota Class B CDL to Class A, in one place: Combination Vehicles, Air Brakes, Class B to A Upgrade. Each one has the official manual rewritten section by section with its diagrams, a quick review of what the test asks about, practice questions with every answer explained, and narrated audio for the drive. It settles the parts that catch people out, like how to spot a trailer skid before it gets away from you.

North Dakota Class B to Class A Upgrade Study Material Overview

Upgrade prep for Class B CDL holders moving to Class A, including combination vehicles, coupling, air brakes, and HOS theory.

Class B to Class A Upgrade for North Dakota CDL Applicants

North Dakota's energy boom has dramatically increased HazMat and tanker CDL demand across the Bakken region. With oil and gas field services, grain and agriculture, coal and energy driving much of the freight in North Dakota, the Class B to Class A Upgrade material below is the part of the North Dakota CDL that those employers screen for first.

The North Dakota Class B to A upgrade: Combination Vehicles and Air Brakes knowledge tests at North Dakota Department of Transportation, then a Class A skills test. Since February 2022, ELDT theory and behind-the-wheel training must also be logged with an FMCSA-registered provider before North Dakota Department of Transportation will schedule the test.

Where North Dakota drivers use this

  • Agricultural equipment: refrigerated produce loads to distribution centers and out of state
  • Required for any Class A CDL issued in North Dakota
  • Oil and gas field services: nearly every oilfield truck runs air brakes
  • Almost every Class A and Class B vehicle in North Dakota; skip this test and your CDL carries an L restriction
  • Oil and gas field services: crude, fuel, and chemical tankers (N and H endorsements) serving the energy sector

Most North Dakota CDL work runs the I-29, I-94 corridors and the Bismarck area, so the examples in the practice questions lean on the vehicles and loads you will see there.

Testing, appointments, and fees are handled by North Dakota Department of Transportation. See the North Dakota CDL classes and North Dakota endorsements pages for the full licensing picture.

Common North Dakota questions

Is this Class B to Class A Upgrade material specific to North Dakota?
Yes. The knowledge test content is federal (49 CFR 383), so the questions apply in North Dakota, and this page adds North Dakota details: where you test (North Dakota Department of Transportation), which North Dakota industries use this license, and the North Dakota corridors the examples are drawn from.
Where do I take the Class B to Class A Upgrade knowledge test in North Dakota?
Knowledge tests are given by North Dakota Department of Transportation. Bring your North Dakota driver license, proof of residency, and your medical certificate; most North Dakota offices require an appointment for CDL testing.
How long do I have to study the North Dakota Class B to Class A Upgrade material?
Access lasts 120 days from purchase, and you can take 180 or 365 days instead at checkout. That is enough to study, take the practice tests, and pass at North Dakota Department of Transportation with time to spare. Retakes in North Dakota are allowed after a short wait, so a second attempt is covered too.

Who should get the North Dakota Class B to Class A Upgrade Study Material

Already hold a Class B and being asked to pull trailers? Moving up to Class A means passing Combination Vehicles and Air Brakes. This program covers both, plus the upgrade theory.

Topics Covered for North Dakota Class B to Class A Upgrade Study Material

Combination Vehicle Dynamics

Upgrading from Class B to Class A means operating vehicles with fundamentally different handling. Off-tracking, rearward amplification, and trailer swing all require new driving habits. The Combination Vehicles written test focuses on these differences compared to single heavy vehicles.

Coupling and Uncoupling Procedure

Correctly connecting a tractor to a trailer is a critical Class A skill tested both on the written exam and during the skills test. This module covers the exact coupling sequence that examiners expect to observe during the pre-trip exercise.

Air Line Connections

Class A combination vehicles use service and emergency air lines between the tractor and trailer that Class B drivers have not typically operated. You will learn how to connect them correctly, perform pressure checks, and identify warning signs of failure.

North Dakota CDL Trailer and Coupling Inspection

Adding a trailer to your pre-trip inspection means covering the coupling area, fifth wheel, air connections, trailer brakes, and landing gear in sequence. The Class A skills test expects you to demonstrate all of these additional inspection points.

North Dakota CDL Class A Test Readiness

The Class A upgrade requires passing the Combination Vehicles written knowledge test plus completing a new skills test on a Class A vehicle. This section prepares you for the content differences, scoring criteria, and what Class A evaluators assess differently from Class B.

North Dakota Class B to Class A Upgrade Study Material

ND Class B to Class A Upgrade Study Material Includes

  • Combination Vehicles
  • Air Brakes
  • Class B to A Upgrade Theory

$39.85$37.95

You save $1.90 vs. buying the ND CDL test prep study material separately

Study Material Access Duration

120, 180, 365 days of access · No subscription

No subscription, no auto-renewal: 120 days of access included, or extend to 180 or 365 days at checkout.

Failing your North Dakota CDL exam costs more than preparing.