The truck ran perfectly yesterday. That doesn't automatically mean it's ready to roll today.
A tire can lose pressure overnight. A light can stop working. A connection can loosen. A leak can appear beneath the truck. And if you've hooked to a different trailer…you're dealing with an entirely new set of equipment.
A thorough pre-trip inspection gives drivers a chance to catch those problems before they're discovered at highway speed or during a roadside inspection.
Federal regulations require drivers to be satisfied that their commercial motor vehicle is in safe operating condition before driving it. So, what should truck drivers actually be checking before they hit the road?
A pre-trip inspection is a check of a commercial motor vehicle before it is operated to make sure the vehicle is safe for the road.
Under FMCSA regulations, drivers must be satisfied that required parts and accessories are in good working order before operating the vehicle. At minimum, this includes brakes, steering, lights and reflectors, tires, horn, windshield wipers, mirrors, coupling devices, wheels and rims, and required emergency equipment. Cargo must also be properly distributed and secured before departure.
But a good pre-trip shouldn't feel like a race through a memorized checklist.
The point is to answer one question: Is this truck, trailer, and load ready to safely make the trip?
Before opening the hood or climbing into the cab, take a look at the entire vehicle.
Does the truck appear to be sitting normally? Is anything leaning, sagging, hanging, or obviously damaged? Are there fresh puddles or signs of a leak underneath it?
A walkaround gives you a chance to notice something that doesn't look right before focusing on individual components.
If you drive the same equipment regularly, familiarity can actually help here. You know what the truck normally looks like, which can make a change easier to spot.
Your tires are carrying the weight of the truck, trailer, and freight, so give them more than a ceremonial kick.
Look for proper inflation, abnormal wear, cuts, visible damage, and other conditions that could cause a blowout or affect safe operation. Wheels and rims should also be inspected for damage or other obvious problems.
FMCSA specifically includes tires, wheels, and rims among the items drivers should inspect before operating a commercial motor vehicle.
Don't forget the tires on the trailer or the inside tires on dual-wheel assemblies. The easiest tire to overlook can still be the one that causes trouble later.
Brakes deserve close attention on every trip.
Drivers should inspect the service brakes, parking brake, and trailer brake connections as part of the pre-trip process. Look at the brake components that are visible to you and pay attention to anything abnormal. Listen for air leaks and be alert for signs of damaged, loose, or excessively worn components.
Brake problems aren't something to put on tomorrow's maintenance list if they affect the safe operation of the truck.
If something doesn't look, sound, or feel right, report it and have it properly evaluated.
A light can work when you park at night and be out the following morning.
Check required lighting around the tractor and trailer, including headlights, brake lights, turn signals, clearance lights, and other required lamps. Make sure reflectors are present, visible, and in appropriate condition.
FMCSA lists lighting devices and reflectors among the equipment drivers should confirm is in good working order before driving.
This is an especially easy category of defect to catch before you leave.
The steering mechanism is another required pre-trip inspection item.
Drivers should pay attention to the condition of accessible steering components and anything that appears loose, damaged, or abnormal.
Also pay attention once you're behind the wheel. Unusual steering play, pulling, vibration, or a change in how the truck responds shouldn't be ignored simply because you're able to keep it between the lines.
A pre-trip isn't limited to what you can see. It's also about knowing how your equipment normally behaves.
A perfect tractor inspection doesn't help much if the trailer isn't properly connected.
Inspect the coupling devices and connections between the tractor and trailer. Make sure the trailer is properly coupled before you move.
Brake and electrical connections also deserve attention.
And remember: a different trailer means a different inspection.
Don't assume that because your tractor passed its morning check, the trailer you just picked up is ready for the road.
FMCSA specifically identifies coupling devices and trailer brake connections among the items drivers must check.
Walk around the trailer instead of treating it as an attachment to the tractor.
Inspect its tires, wheels, brakes, lights, suspension components that are visible to you, doors, and other relevant equipment.
For drivers transporting intermodal equipment, FMCSA specifically requires inspection of items including visible service-brake components, brake connections, lights and reflectors, tires, coupling devices, rails or support frames, locking components, and sliding-frame locks before the equipment is operated over the road.
The exact equipment you're pulling matters. Your inspection should reflect the vehicle and trailer configuration you're actually taking onto the road.
The truck can be mechanically ready for the road while the load isn't.
Before departure, drivers must be satisfied that cargo is properly distributed and adequately secured.
Check the securement appropriate for the type of freight you're hauling. Make sure doors, gates, tarps, straps, chains, or other securement equipment are properly positioned and in appropriate condition where applicable.
Cargo that shifts during transit can change the handling of the vehicle and create a serious safety hazard.
Don't treat cargo securement as somebody else's job simply because someone else loaded the trailer.
Before pulling away, make sure you can clearly see and properly operate the vehicle.
Check the windshield and wipers. Adjust and inspect your mirrors. Test the horn. Make sure required controls and indicators are functioning as expected.
Windshield wipers, mirrors, and the horn are all specifically included in FMCSA's list of items drivers should check before operating a commercial motor vehicle.
The five minutes you spend discovering a bad wiper in the yard will feel considerably shorter than discovering it when the sky opens up on the interstate.
Your emergency equipment isn't particularly useful if you discover it's missing when you need it.
Drivers must make sure required emergency equipment is in place and ready for use before operating the vehicle.
Include it in your normal inspection routine rather than waiting for an emergency or roadside inspection to remind you it's there.
Finding a problem doesn't mean the inspection went badly.
It means the inspection did its job.
If you identify a defect, follow your company's reporting and maintenance procedures. A commercial motor vehicle should not be operated when its condition is likely to cause an accident or breakdown, and drivers must be satisfied that the vehicle is safe to operate before driving.
Don't let the pressure to make a pickup or delivery turn a questionable component into a roadside problem.
A repair in the yard may delay your departure. A breakdown or out-of-service violation can derail much more of your day.
FMCSA identifies service and parking brakes, steering, lights and reflectors, tires, horn, windshield wipers, mirrors, coupling devices, wheels and rims, and emergency equipment among the items that should be checked before operating a commercial vehicle. Drivers should also verify that cargo is properly distributed and secured.
Drivers need to be satisfied that the commercial vehicle they're operating is in safe operating condition. That means the trailer and its relevant components should not be overlooked, particularly when a driver has hooked to different equipment. Specific additional inspection requirements apply to intermodal equipment.
Report the defect according to the motor carrier's procedures and make sure any condition affecting safe operation is appropriately addressed before driving. FMCSA requires drivers to be satisfied that the vehicle is in safe operating condition before it is operated.
A pre-trip inspection isn't there to make you late.
It's there to help keep a loose connection, damaged tire, brake problem, unsecured load, or burned-out light from becoming a much bigger problem 100 miles down the road.
Take the walkaround seriously. Look at the tractor and trailer. Pay attention to the load. And when something doesn't look right, don't convince yourself it'll probably make it.
The best place to find a problem with your truck is before the trip starts.
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