semi truck
Highway freight hauler
A semi truck is a large commercial vehicle consisting of a tractor unit that pulls a detachable trailer.
The "semi" refers to the semitrailer, which has wheels only at the rear and relies on the tractor for front support.
These vehicles dominate freight transportation on highways: A semi truck jackknifed on the interstate.
Also called a semi, eighteen-wheeler, or big rig.
- 18-wheelerLarge articulated cargo truck
- trailerPromotional film excerpt
- engineMachine producing motion
- jake brakeCompression-based truck deceleration system
- big rigTractor-trailer combination
fifth wheel · load · axle · cargo · car carrier · jackknife · wide load · blind spot · sleeper cab · horn · articulated · diesel · cab · long haul · open road · rubber duck · Peterbilt · tractor
- commercial vehiclesdelivery van, cargo van, panel van, tractor trailer, big rig
- diesel vehiclesbig rig, eighteen-wheeler, diesel bus, diesel locomotive, freight train
- Freight Haulingtractor trailer, flatbed, container ship, freight train, boxcar
- heavy vehicleseighteen-wheeler, 18-wheeler, big rig, bulldozer, excavator
- cargo moversbig rig, tractor trailer, eighteen wheeler, flatbed, tanker
- heavy hauloversize load, oversized load, wide load, heavy hauler, pilot car
semi trucksmart car
Tech-equipped automobile
Smart car · compact car · subcompact · motorcycle · microcar
semi truckpassenger car
Vehicle for transporting people
family car · commuter car · sports car · convertible · minivan
semi trucksports car
High-performance driving machine
go-kart · motorcycle · scooter · smart car · bicycle
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