Title: Identify Federal Motor Vehicle Safety Standards (FMVSS) 121 as they apply to wheel and tire assemblies.
Course: Diesel Equipment Technology I (20107-I) > Section: Suspension and Steering: Wheels and Tires

Identification should include

- weight ratings
- tire design
- tread
- recaps.

Process/Skill Questions:

- Why can recaps not be put on the front axle?
- What happens when mismatched tires are installed on a single axle?