ASE Medium/Heavy Truck · T1–T8
ASE practice tests that explain the why.
About 1,600 original practice questions across all 8 ASE truck tests, with an explanation for every answer. Pick a test and start on question 1. No sign-up needed.
Pick your test
Eight tests. One pass.
Every test gets 5 free questions a day. Your score by content area shows exactly what to study next.
ASE T1 · 195 questions
Gasoline Engines
Ignition, fuel and air induction, emissions and computerized engine controls.
ASE T2 · 205 questions
Diesel Engines
Fuel systems, air induction, aftertreatment, cooling and engine brakes.
ASE T3 · 198 questions
Drive Train
Clutches, transmissions, driveshafts and drive axles.
ASE T4 · 199 questions
Brakes
Air brakes, hydraulic brakes, ABS, traction and stability control.
ASE T5 · 198 questions
Suspension & Steering
Steering, suspension, frame, alignment, wheels, tires and hubs.
ASE T6 · 200 questions
Electrical
Electrical diagnosis, batteries, starting, charging, lighting and electronics.
ASE T7 · 197 questions
HVAC
A/C service, heating, engine cooling and HVAC controls.
ASE T8 · 195 questions
PM Inspection
Engine, cab, electrical, frame and chassis, plus the road test.
Pricing
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- 5 practice questions a day, any test
- An explanation for every answer
- Your score by content area
- 1 detailed explanation a day
Best value
All-Tests Pass
$30 one time · 60 days
- Unlimited practice on all 8 tests, T1–T8
- About 1,600 questions
- Detailed explanations for any question
- New practice rounds aimed at your weak areas
- No subscription. Nothing renews.
Built by a diesel tech
Learn Diesel is run by Lester Burkes, a U.S. Army diesel mechanic who went on to teach diesel and heavy equipment and now leads a college trades division. Every question is written to test what you actually need to know in the shop and on test day.
Learn Diesel Prep is independent test prep and is not affiliated with or endorsed by ASE. Practice questions are original and are not actual ASE test questions.
