refrigerated semitrailer![click to hear](/images/speaker.jpg)
Semitrailer equipped with a refrigeration unit and an insulated compartment for transporting perishable goods.
side rail ![click to hear](/images/speaker.jpg)
Thick piece along the length of the chassis frame, reinforcing it.
auxiliary tank ![click to hear](/images/speaker.jpg)
Reservoir containing the fuel used to operate the refrigeration unit.
sidewall ![click to hear](/images/speaker.jpg)
mud flap ![click to hear](/images/speaker.jpg)
Piece of rubber or plastic attached behind the rear wheels to repel projectiles.
reflector ![click to hear](/images/speaker.jpg)
Device reflecting light back toward its source so that other drivers can see the semitrailer.
frontwall ![click to hear](/images/speaker.jpg)
marker light ![click to hear](/images/speaker.jpg)
Yellow light in front and red in the rear demarcating the dimensions of the vehicle.
sand shoe ![click to hear](/images/speaker.jpg)
Part attached to the foot of the landing gear to increase stability.
landing gear ![click to hear](/images/speaker.jpg)
Telescopic support keeping the semitrailer level when uncoupled.
kingpin ![click to hear](/images/speaker.jpg)
Axle of attachment housed in the tractor’s fifth wheel; it allows the semitrailer and the tractor to articulate.
electrical connection ![click to hear](/images/speaker.jpg)
Electric wire connecting the semitrailer’s lighting and signaling system with that of the tractor.
partlow chart ![click to hear](/images/speaker.jpg)
Device monitoring the temperature in the semitrailer.
battery box ![click to hear](/images/speaker.jpg)
Compartment containing the battery supplying the electric energy required to operate the refrigeration unit.
vent door ![click to hear](/images/speaker.jpg)
Grille through which the air cools the refrigerant.
refrigeration unit ![click to hear](/images/speaker.jpg)
Device using compression to lower the temperature inside the semitrailer to a predetermined level.
landing gear crank ![click to hear](/images/speaker.jpg)
Bent lever activating the elevating cylinder to deploy the landing gear.