Trailer in the simulator
Every part of the Trailer zone, in the order of the inspection, with what to check and what to say to the examiner in English and in your language. Tap a part to see it on the truck.
Parts in this zone
- 1
Trailer front wall / header board
What to check: On an enclosed trailer check the front area for cracks, bulges, holes or damage; strong enough to contain cargo; hardware present.
- 2
Landing gear legs and support frame (braces)
What to check: Fully raised, no missing parts, support frame and cross braces not damaged or bent; if power operated, no air or hydraulic leaks.
- 3
Landing gear pads (sand shoes)
What to check: Landing pads not damaged, bent or missing.
- 4
Landing gear crank handle
What to check: Crank handle is secured in its holder/bracket; demonstrate it is operational (high/low gear) and that the landing gear raises and lowers.
- 5
Trailer frame rails and cross members
What to check: No cracks, broken welds, holes, bends or other damage; cross members present and secure.
- 6
Trailer floor
What to check: No holes, cracks or breaks in the floor (cargo area); securely mounted.
- 7
Trailer side wall / box
What to check: Cargo area has no cracks, breaks, holes or bulges; no missing rivets; side panels secure.
- 8
Tandem slider release arm / lever
What to check: Release arm is secured (locked) in place and not damaged.
- 9
Tandem slider locking pins
What to check: Locking pins fully extended through the slide rail holes and locked in place; not damaged.
- 10
DOT reflective (conspicuity) tape
What to check: Red/white reflective tape on the sides and rear of the trailer is present, clean and affixed securely.
- 11
Trailer tires (duals)
What to check: Minimum 2/32 inch tread; evenly worn; no cuts, bulges or exposed plies; duals not mismatched and nothing between them; valve stems and caps intact; inflation checked with a gauge.
- 12
Trailer wheel rims
What to check: Not cracked, bent or damaged; no welding repairs; bolt holes not elongated.
- 13
Trailer lug nuts
What to check: All present and tight (no rust trails or shiny threads); no broken studs.
- 14
Trailer hub / axle seal
What to check: Hub oil/grease seal not leaking; sight glass level adequate if equipped.
- 15
Trailer dual spacers / Budd spacing
What to check: If equipped, not bent, damaged or rusted through; duals evenly separated.
- 16
Trailer leaf springs (spring suspension)
What to check: No missing, shifted, cracked or broken leaves.
- 17
Trailer air bags (air ride)
What to check: Secure, not damaged, no cuts or leaks; mounts not damaged.
- 18
Trailer U-bolts
What to check: Not broken, missing or loose.
- 19
Trailer spring / air mounts and hangers
What to check: Not cracked, broken or missing parts; bushings present; bolts tight.
- 20
Trailer shock absorbers
What to check: Secure, not damaged, not leaking (if equipped).
- 21
Trailer brake hoses / lines
What to check: Not cracked, worn or leaking; fittings secure; listen for air leaks.
- 22
Trailer brake chamber
What to check: Not leaking, cracked or dented; mounted securely.
- 23
Trailer slack adjuster and pushrod
What to check: No broken, loose or missing parts; pushrod moves no more than 1 inch when pulled by hand with the brakes released.
- 24
Trailer brake drum and lining
What to check: Drum has no cracks, dents or holes; lining not worn dangerously thin; no oil or grease contamination.
- 25
Trailer swing doors
What to check: Doors not damaged; open, close and latch properly from the outside; door seals intact.
- 26
Trailer door hinges
What to check: All hinges present, securely mounted, not damaged, no missing hardware.
- 27
Trailer door latch bars (lock rods) and keepers
What to check: Latch bars and keepers not damaged; latch and unlatch properly; ties, straps, chains and binders (if any) secure.
- 28
Trailer splash guards / mud flaps
What to check: Not damaged; mounted securely.