Pre Trip Underneath

Pre-trips aren’t just about DOT compliance—they’re about getting home safely. Catch defects before they cause accidents, breakdowns, violations, or leave you stranded on the side of the road.

Under the Tractor

Steering linkage

Drag link

Tie rod

Pitman arm

Steering gearbox

Spring hangers

Leaf springs

U-bolts

Shock absorber

Brake hose

Brake chamber

Slack adjuster

Pushrod

Brake drum

Brake lining

Driveshaft

Exhaust system

Frame rails

Cross members

Transmission

Fuel tank

Fuel tank straps

Trailer Undercarriage

Apron

Kingpin

Locking jaws

Release arm

Platform

Skid plate

Landing gear

Landing gear handle

Frame

Cross members

Tandem release handle

Suspension

Torque arm

Leaf springs / air bags

Shock absorbers

Brake chambers

Slack adjusters

Pushrods

Brake drums

Brake linings

Axles

Rims

Lug nuts

Tires

Mud flaps