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DOT Trailer Inspection Checklist

Pre-trip and annual trailer inspection per FMCSA 49 CFR Part 396

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Trailer Details

Inspection Items

Mark the applicable column for each item: OK = Satisfactory  |  Fail = Not met  |  N/A = Not applicable. Record notes for any Fail.

# Inspection Item OK Fail N/A Notes / Action
Coupling Devices
1Fifth wheel / kingpin free from cracks and excessive wear
2Pintle hook or ball coupling secure and locking
3Safety chains / cables crossed under tongue, connected
Brakes
4Brake linings above minimum thickness
5Brake drums / rotors free from cracks and scoring
6Slack adjusters within specification (manual and auto)
7Air hoses and connections leak-free
8Breakaway / emergency brake system functional
Lights and Reflectors
9All tail, stop and turn signal lights operational
10Side marker lights and clearance lights working
11Reflectors (red rear, amber side) present and undamaged
12Licence plate light operational
13Conspicuity tape (reflective striping) intact
DOT Trailer Inspection - Page 2 of 2
Trailer ID
Date
Inspector
# Inspection Item OK Fail N/A Notes / Action
Tyres and Wheels
14Tyre tread depth meets minimum (4/32" steer, 2/32" other)
15Tyres free from cuts, bulges and exposed cords
16Tyre pressures correct, valve caps in place
17Wheel nuts torqued, no cracked or missing studs
Suspension
18Leaf springs intact, no cracked or shifted leaves
19Air bags inflated evenly, no leaks
20U-bolts and hangers tight and undamaged
Frame and Body
21Frame rails free from cracks, corrosion and bending
22Floor and walls structurally sound, no holes
23Rear impact guard (DOT bumper) meets height requirements
Cargo Securement
24Tie-down points, E-track and anchor rings secure
25Doors and latches operate correctly, seals intact

Declaration

I confirm that all inspection items have been assessed as indicated above. Any defects or out-of-service conditions have been recorded and reported. This trailer is / is not (circle one) roadworthy. Vehicles with out-of-service violations must not be dispatched until defects are corrected.

Inspector
Signature
Print name
Date & time
Carrier / Supervisor Acknowledgement
Signature
Print name
Date