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Heavy Duty Equipment Technician Red Seal Exam Prep · Question

What type of gear arrangement is typically found in a differential to allow wheels on the same axle to rotate at different speeds?

Differentials use a set of bevel gears (side gears and spider gears) to transfer torque to the axles while allowing for speed differences between the left and r

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Question: What type of gear arrangement is typically found in a differential to allow wheels on the same axle to rotate at different speeds?

Answer options:

  • Planetary gears ✅ Bevel gears
  • Helical gears
  • Spur gears

Correct answer: Bevel gears

Explanation: Differentials use a set of bevel gears (side gears and spider gears) to transfer torque to the axles while allowing for speed differences between the left and right wheels during turns.

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