CDL Study Buddy logo
Back to all ELDT courses
Entry LevelClass B

Entry Level — Complete Class B CDL Theory Training

Complete Class B CDL theory training for straight trucks and buses.

FMCSA CompliantSelf-Paced — No Time LimitsAutomatic TPR RegistrationFree Certificate

What You'll Learn

You'll learn commercial vehicle fundamentals tailored to single-unit vehicles — straight trucks, dump trucks, delivery trucks, and buses. The course covers basic operation, vehicle control systems, dashboard instruments, and pre-trip/post-trip inspection procedures. You'll study safe operating practices including visual search, speed management, and space management for larger single vehicles. The curriculum includes air brake systems, hours of service regulations, cargo securement for straight trucks, and emergency procedures. Every FMCSA-required topic for Class B CDL is covered in depth.

How the Course Works

The Class B Theory course has 4 instruction units following the FMCSA curriculum. Each unit contains multiple sections with self-paced reading material and end-of-section quizzes (80% to pass). No time limits — study on your schedule. Progress saves automatically. Most students finish in 1–3 weeks part-time.

4

Instruction Units

~22h

Curriculum Hours

80%

Quiz Pass Score

Topics Covered

Commercial vehicle operation fundamentals
Straight truck and bus systems
Air brake systems
Pre-trip inspection procedures
Safe driving practices
Federal and state regulations
Hours of service requirements
Cargo securement (for straight trucks)
Vehicle inspection procedures
Emergency procedures
Defensive driving techniques

After You Complete the Course

After passing all quizzes, your completion is automatically submitted to the FMCSA Training Provider Registry. Download your certificate from your dashboard. You still need Behind-the-Wheel training before scheduling your CDL skills test at the DMV.

Who This Course Is For

Individuals seeking to obtain their first Class B CDL for operating single vehicles (straight trucks, buses)

Not Sure If This Is the Right Course?

Not for existing Class B CDL holders (pre-Feb 2022 without needing new endorsements). Not for Class A applicants — take the Class A Theory course. Not for endorsement-only applicants.

Last updated: May 15, 2026

Ready to Start Class B CDL Theory?

Create a free account and start learning immediately. No credit card. No time limits. FMCSA-compliant with automatic TPR registration.