Link to the Federal Motor Carrier Safety Administration, a federal entity charged with oversight of truck and
trailer safety as well as security.

http://www.fmcsa.dot.gov/safety-security/security/index.asp

Suspention system
Tarp
Tires
Trailer hand valve brake
Vehicle Condition Report (VCR)
Wheels
Air application pressure gauge
Air bag suspension system
Air brake system
Air intake system
Air power steering system
Antilock braking system
axles
Battery
Belted bias tires
Bias-ply tires
Braking system
Bypass system
Cable-operated clutch control
Camber
Carrier bearings
Caster
Centrifugal filter
Charging circuit
Clutch
Combination bypass/full-flow system
Compressor
Conventional converter dolly
Coolant
Cooling system
.