A regular trailer inspection can help catch small problems before they turn into expensive breakdowns or unsafe towing conditions. Whether you own a utility trailer, equipment trailer, dump trailer, enclosed trailer, or gooseneck, a thorough inspection helps keep your trailer road-ready and dependable.
At Highway Trailer Company, a 30-point trailer inspection helps identify wear, safety concerns, and maintenance needs before they become major issues.
30-Point Trailer Inspection Checklist
Coupler & Tongue Components
1. Coupler Condition
Inspect for cracks, wear, damage, or improper latch operation.
2. Coupler Fitment
Verify proper fit to hitch ball size.
3. Safety Chains
Check for wear, broken links, or damage.
4. Safety Chain Hooks & Latches
Inspect for secure operation and wear.
5. Trailer Jack Operation
Verify smooth lifting and lowering.
6. Jack Mounting Hardware
Inspect for looseness or damage.
Brakes & Wheel End Components
7. Brake Operation
Verify proper brake function.
8. Brake Adjustment
Inspect electric brake adjustment if applicable.
9. Brake Shoes or Pads
Check for wear or contamination.
10. Brake Magnets (Electric Brakes)
Inspect for wear or damage.
11. Brake Drums or Rotors
Inspect for scoring, cracks, or wear.
12. Brake Lines or Wiring
Check hydraulic lines or brake wiring.
13. Hub Condition
Inspect for damage or looseness.
14. Bearings
Check for wear or noise.
15. Grease/Oil Seal Condition
Inspect for leaks.
16. Hub Cap/Oil Cap Condition
Inspect caps, plugs, and seals.
Tires & Wheels
17. Tire Tread Condition
Check for uneven wear.
18. Tire Sidewalls
Inspect for cracking or dry rot.
19. Tire Pressure
Verify proper inflation.
20. Wheel Studs & Lug Nuts
Inspect for damage or looseness.
21. Wheel Condition
Check for cracks or bends.
Suspension System
22. Leaf Springs or Torsion Axles
Inspect for wear, sagging, or damage.
23. Equalizers (if equipped)
Check for wear and elongated holes.
24. Shackles & Suspension Hardware
Inspect for stretching or wear.
25. Bushings & Spring Bolts
Check for excessive movement or wear.
26. U-Bolts & Tie Plates
Inspect for looseness or corrosion.
Electrical & Lighting
27. Trailer Lights
Verify operation of running, brake, turn, and reverse lights.
28. Trailer Plug & Wiring
Inspect 4-way, 5-way, or 7-way wiring condition.
29. Breakaway System (Electric Brake Trailers)
Test battery, switch, and brake activation.
Frame & General Safety
30. Trailer Frame & Structure
Inspect for cracks, rust, broken welds, or structural damage.
Why a Trailer Inspection Matters
A routine inspection helps catch common problems like:
- Worn brakes
- Bad bearings
- Uneven tire wear
- Suspension damage
- Wiring issues
- Hydraulic problems
- Safety concerns
Preventive maintenance can help avoid costly breakdowns and roadside failures.
When Should You Have a Trailer Inspection?
A good rule of thumb:
✔ Every 6–12 months for regular use
✔ Before long trips
✔ Before heavy hauling season
✔ After sitting for long periods
✔ Anytime towing performance changes
Small Problems Become Big Repairs
Many major trailer failures start as small maintenance issues. Catching them early can save money and downtime while helping keep your trailer safe on the road.
At Highway Trailer Company, our team performs comprehensive trailer inspections covering brakes, bearings, suspension, wiring, tires, couplers, hydraulic systems, and safety equipment to help keep your trailer hauling safely and reliably.