Heavy Duty Equipment Technician Red Seal Exam Prep · Question
Which component in a conventional heavy-duty differential is responsible for allowing the drive wheels to turn at different speeds when the vehicle is cornering?
The spider gears (combination of side gears and pinion gears mounted on a cross shaft) are the critical components within the differential that allow the wheels
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Question: Which component in a conventional heavy-duty differential is responsible for allowing the drive wheels to turn at different speeds when the vehicle is cornering?
Answer options: ✅ Spider gears (side gears and pinion gears).
- Ring gear.
- Drive pinion.
- Axle shafts.
Correct answer: Spider gears (side gears and pinion gears).
Explanation: The spider gears (combination of side gears and pinion gears mounted on a cross shaft) are the critical components within the differential that allow the wheels to rotate at different speeds during turns. The ring gear and drive pinion transmit power from the driveshaft to the differential case, and axle shafts transmit power from the differential to the wheels, but they don't provide differential speed capability.
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