diesel-electric locomotive [2]
Vehicle with a diesel engine turning a generator that in turn powers the electric traction motors.
sandbox 
Container for the sand that is strewn on the track in front of the wheels to provide friction.
coupler head 
Device on each end of a locomotive or car for attaching it to another locomotive or car.
pilot 
Steel bar attached to the frame that pushes aside debris from the track.
fuel tank 
Reservoir containing the diesel fuel that makes the vehicle self-sufficient.
safety rail 
Guardrail to prevent falls.
horn 
Sounding device warning of the train’s approach.
driver’s cab 
Compartment where the engineer operates the locomotive and has a view of the track ahead.
headlight 
Lamp illuminating the track.
compressed air reservoir 
Storage chamber for the compressed air.
dynamic brake 
Wheel acting as a generator to turn the traction motor, which slows down the train.
main generator 
Generator driven by the diesel engine, which in turn supplies electricity to the traction motors.
control stand 
Panel containing the locomotive’s main controls.
battery 
Device providing electricity for starting the engine and for the lights and other electrical devices when the engine is at rest.
ventilator 
Mechanism cooling the traction motors.
lubricating system 
Device circulating oil throughout the engine to reduce friction between its moving parts.
water tank 
Reservoir for the cooling water.
diesel engine 
Combustion engine in which the compressed air becomes sufficiently hot to ignite the injected fuel.
air filter 
Device removing dust from the air entering the engine.
radiator 
Vessel in which the coolant, which circulates around the engine, is cooled by means of flowing air.
ventilating fan 
Bladed mechanism blowing air through the radiators to cool the coolant inside them.
air compressor 
Device supplying the compressed air that operates various pneumatic equipment, especially the brakes.