Delaware CDL Class B to A Upgrade Study Material
Everything for upgrading a Delaware 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.
Delaware 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 Delaware CDL Applicants
Delaware handles heavy chemical and pharmaceutical freight along the busy I-95 Northeast corridor. With chemical and pharmaceutical manufacturing, port and container freight, food distribution driving much of the freight in Delaware, the Class B to Class A Upgrade material below is the part of the Delaware CDL that those employers screen for first.
The Delaware Class B to A upgrade: Combination Vehicles and Air Brakes knowledge tests at Delaware Division of Motor Vehicles, 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 Delaware Division of Motor Vehicles will schedule the test.
Where Delaware drivers use this
- Almost every Class A and Class B vehicle in Delaware; skip this test and your CDL carries an L restriction
- Chemical and pharmaceutical manufacturing: regional and over-the-road distribution runs for grocery, retail, and e-commerce freight
- Port and container freight: container drayage between the ports and inland rail yards
- Automotive parts: just-in-time parts hauling between assembly plants and suppliers
- Port and container freight: container drayage between the ports, rail ramps, and warehouses
Most Delaware CDL work runs the I-95, I-295 corridors and the Dover area, so the examples in the practice questions lean on the vehicles and loads you will see there.
Delaware rules worth knowing
- Delaware DMV states its CDL manual covers CDL requirements, CDL procedures, testing requirements, and basic knowledge needed to obtain a CDL.
- Delaware DMV notes CDL renewals may only be completed within 30 days before expiration.
- Delaware began implementing the modernized CDL skills test at DMV locations on February 26, 2025.
- Delaware describes Class A by combination registered, actual, or GVWR over 26,000 pounds while towing a vehicle with registered, actual, or GVWR over 10,000 pounds.
Testing, appointments, and fees are handled by Delaware Division of Motor Vehicles. See the Delaware CDL classes and Delaware endorsements pages for the full licensing picture.
Common Delaware questions
- Is this Class B to Class A Upgrade material specific to Delaware?
- Yes. The knowledge test content is federal (49 CFR 383), so the questions apply in Delaware, and this page adds Delaware details: where you test (Delaware Division of Motor Vehicles), which Delaware industries use this license, and the Delaware corridors the examples are drawn from.
- Where do I take the Class B to Class A Upgrade knowledge test in Delaware?
- Knowledge tests are given by Delaware Division of Motor Vehicles. Bring your Delaware driver license, proof of residency, and your medical certificate; most Delaware offices require an appointment for CDL testing.
- How long do I have to study the Delaware 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 Delaware Division of Motor Vehicles with time to spare. Retakes in Delaware are allowed after a short wait, so a second attempt is covered too.
Who should get the Delaware 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 Delaware Class B to Class A Upgrade Study Material
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.
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.
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.
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.
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.
Delaware Class B to Class A Upgrade Study Material
DE 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 DE CDL test prep study material separately
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 Delaware CDL exam costs more than preparing.