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MECHANICS TESTS

Brought to you by Mechanics Hub, these tests cover knowledge related to all aspects of diesel engine maintenance and diagnostic repair. These free exams were created to help prepare apprentices to write and pass their Heavy Truck Mechanic exams.

Diesel Mechanic Tests

Why not test yourself with some of the most challenging free Diesel Mechanic tests to be found anywhere on the internet?

  • Level 1
  • Level 2
  • Level 3
  • Level 4
Level 1
  • Work Practices and Procedures
  • Winches and Wire Rope
  • Track Machine Undercarriage
  • Hydraulic Brakes Foundations
  • Hydraulic Brakes – Assisted
  • Steering and Suspension
  • Retarder, Engine, Exhaust Brakes
  • Hydraulics Quiz 1
  • Hydraulics Final
  • Hydraulics Advanced
  • Hydraulics 2
  • Hydraulics 1
  • Air Brake Controls
  • Lubricants 2
  • Air Brakes Foundation
  • Air ABS Systems
Level 2
  • Lubricants 2
  • Basic Electricity
  • HD2 Diesel Engines Exam
  • Batteries lvl 2
  • Air Induction Exhaust Turbo
  • Mechanical Fuel Injections
  • HD2 Cooling Lubrication Test
  • HD2 Engine, Exhaust Brakes, Retarders
  • Engine Start-up and Troubleshooting
  • Engines, Blocks, Cranks & Cams
  • Math, Add, Sub, X, Div
  • Ignition Systems 2
  • Heads, Valves, and Components
  • Electronics, Circuits, Protection
  • Heads and Valves Quiz
  • HD Gasoline Systems
  • Electrical Exam
  • Diesel Fuel Supply
  • Diesel Fuel Injections Basics
Level 3
  • Basic Automatic Transmission
  • Ignition Systems
  • HD3 Gasoline Systems
  • Electronic Diesel Injection Systems Quiz
  • Alternators 3 Quiz
  • Alternate Fuel System
  • Diesel Fuel Mechanical Injection Quiz
  • Diesel Electronic Injection Systems
  • Starters
  • Carburetor Fuel Systems
  • Mechanical Fuel Injections And Governors
  • Batteries
  • Lubricants
  • Basic Electricity
  • Alternators 3 Final
Level 4
  • Provincial Prep
  • Heavy Manual Transmissions
  • Drive Train
  • Driveline Differentials and Final Drives
  • Differentials and Final Drives Quiz
  • Bearings and Seals
  • Torque Converters
  • Retarder Engine Exhaust Brakes lvl-4
  • Manual Transmissions
  • Work Practices and Procedures
  • HD4 Clutches
  • HD4 Automatic Transmission II
  • HD4 Air Conditioning Basics
  • Final Drives
  • Automatic Transmission and Torque Converters

Level 1

  • Work Practices and Procedures
  • Winches and Wire Rope
  • Track Machine Undercarriage
  • Hydraulic Brakes Foundations
  • Hydraulic Brakes – Assisted
  • Steering and Suspension
  • Retarder, Engine, Exhaust Brakes
  • Hydraulics Quiz 1
  • Hydraulics Final
  • Hydraulics Advanced
  • Hydraulics 2
  • Hydraulics 1
  • Air Brake Controls
  • Lubricants 2
  • Air Brakes Foundation
  • Air ABS Systems

Level 2

  • Lubricants 2
  • Basic Electricity
  • HD2 Diesel Engines Exam
  • Batteries lvl 2
  • Air Induction Exhaust Turbo
  • Mechanical Fuel Injections
  • HD2 Cooling Lubrication Test
  • HD2 Engine, Exhaust Brakes, Retarders
  • Engine Start-up and Troubleshooting
  • Engines, Blocks, Cranks & Cams
  • Math, Add, Sub, X, Div
  • Ignition Systems 2
  • Heads, Valves, and Components
  • Electronics, Circuits, Protection
  • Heads and Valves Quiz
  • HD Gasoline Systems
  • Electrical Exam
  • Diesel Fuel Supply
  • Diesel Fuel Injections Basics

Level 3

  • Basic Automatic Transmission
  • Ignition Systems
  • HD3 Gasoline Systems
  • Electronic Diesel Injection Systems Quiz
  • Alternators 3 Quiz
  • Alternate Fuel System
  • Diesel Fuel Mechanical Injection Quiz
  • Diesel Electronic Injection Systems
  • Starters
  • Carburetor Fuel Systems
  • Mechanical Fuel Injections And Governors
  • Batteries
  • Lubricants
  • Basic Electricity
  • Alternators 3 Final

Level 4

  • Provincial Prep
  • Heavy Manual Transmissions
  • Drive Train
  • Driveline Differentials and Final Drives
  • Differentials and Final Drives Quiz
  • Bearings and Seals
  • Torque Converters
  • Retarder Engine Exhaust Brakes lvl-4
  • Manual Transmissions
  • Work Practices and Procedures
  • HD4 Clutches
  • HD4 Automatic Transmission II
  • HD4 Air Conditioning Basics
  • Final Drives
  • Automatic Transmission and Torque Converters
  • Terms and Conditions
  • Privacy Policy
  • Cookie Policy

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