Pre-Trip Inspection

Typical Pre-trip Inspection – Trailer

These are minimum standards for information purposes only; please refer to US DOT inspection guidelines.

  1. Landing Gear
    1. Fully raised
    2. No missing parts
    3. Support frame not cracked, broken, or damaged
  2. Frame
    1. No cracks, bends, or damaged
    2. No missing or damaged cross members
    3. No signs of holes or damage to trailer floor
  3. Tandem Release
    1. Locking pins secure and locked in place
    2. Release handle is secure
  4. Lights & Reflectors
    1. Working and proper color
      1. Front and side are amber
      2. Rear edge is red
    2. Not broken, cracked, or missing
    3. Conspicuously tape in place
  5. Leaf Springs
    1. Not shifted or out of place
    2. Not cracked, broken or missing
  6. Spring Mounts
    1. Mounted Securely – front, back and U-bolts
    2. Not cracked or broken
  7. Torque Rod
    1. Mounted Securely
    2. Not bent, broken or damaged
  8. Shock Absorber (if equipped)
    1. Mounted Securely
    2. Not bent, dented or leaking
  9. Air Bags
    1. Mounted Securely
    2. Not leaking
  10. Hoses and Lines
    1. Mounted Securely
    2. Not leaking
    3. Not cracked or frayed
  11. Brake Chamber
    1. Mounted Securely
    2. Not dented or damaged
    3. Not leaking
  12. Slack Adjuster
    1. 90 degrees with brakes applied
    2. No more than 1 inch of free play at the push rod with the brakes released
    3. No bent, broken, loose, or missing parts
  13. Drums
    1. Not cracked, broken or dented
    2. No oil leaking from inner oil seal, free of debris
  14. Linings
    1. No cracked, broken or missing parts
    2. Not less than 1⁄4 inch in thickness
  15. Tires
    1. No bulges or cuts, can have retreads
    2. Minimum tread depth of 2/32″
  16. Rims
    1. Not bent or cracked
    2. No welding repairs
  17. Lug Nuts
    1. None missing
    2. Tight – no shinny threads, or rust trails
  18. Outer hub oil seal
    1. Not leaking, no missing bolts
    2. Fluid level OK
  19. Space or Spacer
    1. Check for objects between wheels
    2. Check for proper spacing
  20. Doors
    1. Not bent, broken, or damaged
    2. Close and latch securely
    3. Hinges secure, no damage
  21. Door ties
    1. Not missing, broken, and securely mounted
  22. Splash guards
    1. Mounted properly
    2. Not missing, ripped or torn
  23. DOT bumper
    1. Not bent or damaged
  24. Lights & Reflectors
    1. Working and proper color
    2. Not broken, cracked, or missing

 

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