FMCSA Registered · Online Theory · All Endorsements

Get Your CDL. Drive Big.

Diesel Bros is your shortcut to a Class A, B, or endorsement CDL. Online theory training you can complete on your schedule — then we connect you with a certified BTW school near you.

🚛 Start Training Today View Courses →
5
CDL Classes & Endorsements
100%
Online Theory Training
$1K+
Average Student Savings
48
States Eligible
What We Offer

CDL Courses
& Endorsements

All theory courses are FMCSA-compliant and fully online. Complete them at your own pace, day or night — then get behind the wheel with a certified partner school.

🚛
Class A CDL

The gold standard. Drive combination vehicles over 26,001 lbs — 18-wheelers, semis, flatbeds, and more.

Most Popular
🚌
Class B CDL

Straight trucks, large buses, box trucks, and dump trucks. Perfect for local and regional routes.

Great for Local Routes
🧑‍✈️
Passenger Endorsement

Authorized to transport 16 or more passengers. Required for shuttle, charter, and transit drivers.

P Endorsement
🏫
School Bus Endorsement

Add the S endorsement to your CDL and open doors to stable, community-driven driving careers.

S Endorsement
☣️
HazMat Endorsement

Transport hazardous materials legally and safely. High-demand, higher-paying specialty routes.

H Endorsement
🤝
BTW Partner Network

After theory, we connect you directly to a certified Behind-the-Wheel school near you to finish your CDL.

Included
Process

How It
Works

01
Pick Your Course

Choose Class A, Class B, or any endorsement. Each program is built to FMCSA standards and designed for real drivers — not textbook students.

02
Complete Theory Online

Study on your laptop, tablet, or phone. Work through modules at your pace — mornings, nights, weekends. No classroom. No commute.

03
Pass Your DMV Written Test

Our curriculum is built around the actual DMV knowledge exam. You'll be ready before you walk in the door.

04
Get Behind the Wheel

We connect you with a certified BTW partner school in your area to complete your skills training and road test — then you're licensed.

Credentials

All Endorsements
Covered

Stack your endorsements and your earning power. Diesel Bros prepares you for every major CDL category on the FMCSA registry.

Class A Combination Vehicles
Class B Straight Trucks & Buses
H — HazMat Hazardous Materials
N — Tank Tank Vehicles
P — Passenger 16+ Passengers
S — School Bus School Bus Operations
T — Double/Triple Double/Triple Trailers
X — HazMat + Tank Combined Endorsement
Reviews

Real Drivers.
Real Results.

Went from knowing nothing about CDLs to passing my Class A written test in 3 weeks. The online modules are straight to the point — no fluff.

Marcus T.
Class A Driver — Pennsylvania

I was skeptical about online CDL theory but Diesel Bros proved me wrong. Passed first try. Now making $28/hr on regional routes.

Dena R.
Class B Driver — Florida

Got my HazMat endorsement stacked on my existing CDL. The prep was thorough and the BTW referral they gave me was solid.

Ray V.
HazMat Endorsed — Texas

Start Your
CDL Journey

No classroom. No waiting. Just you, the road, and a career that pays. Enroll today and get moving.

📞 Call to Enroll Now

Or contact us online — we'll get back to you within 24 hours.