Trailer inspection checklist
Front and coupling
PassFailN/A- Landing gear is raised or lowered fully, cranks freely, and isn't bent
- Kingpin and upper coupler plate show no damage or wear
- Air and electrical lines are connected, not cracked, chafed or rubbing
- Glad hands and seals are in place and don't leak
- Trailer is locked to the tractor and the release arm is seated
Wheels, brakes and lights
PassFailN/A- Tires: tread, inflation, sidewalls, valve caps
- Wheels, rims and lug nuts are secure, with no cracks or rust trails
- Brake chambers, slack adjusters and drums look intact, no air leaks
- Suspension parts and mud flaps are secure
- Brake lights, turn signals and marker lights work
- Reflectors and reflective tape are clean and in place
Body, doors and cargo
PassFailN/A- Floor is sound, with no holes, soft spots or sharp debris
- Doors open, close and latch, and the seals and hinges are good
- Roof and side walls have no damage or leaks
- Cargo is blocked, braced or tied down
- Straps, chains and load locks are in good shape and in place
- Placards and papers are in the cab or on the trailer, if required
Defects found and action taken