refrigerated semitrailer

Semitrailer equipped with a refrigeration unit and an insulated compartment for transporting perishable goods.

side rail

Thick piece along the length of the chassis frame, reinforcing it.

auxiliary tank

Reservoir containing the fuel used to operate the refrigeration unit.

sidewall

mud flap

Piece of rubber or plastic attached behind the rear wheels to repel projectiles.

reflector

Device reflecting light back toward its source so that other drivers can see the semitrailer.

frontwall

marker light

Yellow light in front and red in the rear demarcating the dimensions of the vehicle.

sand shoe

Part attached to the foot of the landing gear to increase stability.

landing gear

Telescopic support keeping the semitrailer level when uncoupled.

kingpin

Axle of attachment housed in the tractor’s fifth wheel; it allows the semitrailer and the tractor to articulate.

electrical connection

Electric wire connecting the semitrailer’s lighting and signaling system with that of the tractor.

partlow chart

Device monitoring the temperature in the semitrailer.

battery box

Compartment containing the battery supplying the electric energy required to operate the refrigeration unit.

vent door

Grille through which the air cools the refrigerant.

refrigeration unit

Device using compression to lower the temperature inside the semitrailer to a predetermined level.

landing gear crank

Bent lever activating the elevating cylinder to deploy the landing gear.