Ontario Air Brake (Z) overview
Ontario Air Brake (Z) study guide and books
Start with the free official guide — it is what the test is written from. Books only help if you want printed practice or a structured course.
- 2 official
Free
Official guide
The Official Air Brake Handbook (Ontario Ministry of Transportation)
Ontario Ministry of Transportation · Free online / print copy at DriveTest centres
The study guide for the Z endorsement knowledge and practical tests, updated February 24, 2026. Chapters 2 to 5 cover the air supply, service, spring and trailer brake systems; chapters 9 to 12 cover the inspections and checklists used on the practical test. Every question on this site cites a chapter of it.
Guide officiel de l'utilisation des freins à air publié par le MTO (version française)
Ministère des Transports de l'Ontario · Gratuit en ligne
Official French edition of the air brake handbook, for candidates taking the Z endorsement test in French.