truck tractor

Motorized vehicle equipped with a fifth wheel that pulls a semitrailer and supports part of its weight.

bumper

Malleable element partially absorbing shocks, thus protecting the body and the engine parts from damage.

fog light

Lamp whose light rays are directed toward the roadway and illuminate the road shoulder, by which the driver navigates in the event of fog.

headlight

Lamp on the front of the vehicle to light up the space in front.

radiator grille

Plastic or metal grating in front of the vehicle; it protects the vehicle’s radiator and serves as decoration.

fender

Part of the body covering the wheel.

wheel

Circular unit turning around an axle; it supports the weight of the vehicle and transmits the thrust, steering and braking actions.

step

Tread or set of treads built into the body for climbing up to or down from the cab.

fuel tank

Reservoir containing the diesel fuel that makes the vehicle self-sufficient.

filler cap

Part screwed into the fuel filler neck to close it.

tire

Circular deformable unit made of rubber, mounted on the wheel and inflated with air, providing the connection between the truck tractor and the road, and absorbing the unevenness of the road.

mud flap

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

hood

Lidlike part of the body covering and protecting the engine.

marker light

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

air horn

Device comprising two horns activated by compressed air and emitting a sound signal, most often to avert danger.

exhaust stack

Vertical upper part of the conduit that evacuates exhaust gas from the engine.

fifth wheel

Coupling device enabling the tractor to be connected to the semitrailer and supporting its front portion.

storage compartment

Compartment for storing bulky objects, usually accessible from the inside and outside of the cab.

grab handle

Vertical handle placed at shoulder height near the door, for gripping while climbing up to or down from the cab.

sleeper-cab

Part behind the cab fitted out with a bed or bunk beds and storage space.

West Coast mirror

Mirror fixed to the outside of the passenger compartment enabling the driver to see behind and along the sides of the vehicle without turning around.

wind deflector

Aerodynamic device mounted on the tractor’s roof to reduce the semitrailer’s wind resistance.

windshield

Glass and plastic pane protecting the occupants from inclement weather while providing good visibility.