bulldozer![click to hear](/images/speaker.jpg)
Excavation machine for pushing materials; it is made up of a crawler tractor, a blade and often a ripper.
air pre-cleaner filter ![click to hear](/images/speaker.jpg)
Device that removes dust from the air entering the engine.
exhaust pipe stack ![click to hear](/images/speaker.jpg)
Conduit through which the combustion gases are expelled into the ambient air.
blade lift cylinder ![click to hear](/images/speaker.jpg)
Hydraulic device with a telescopic arm for raising and lowering the blade.
blade ![click to hear](/images/speaker.jpg)
Concave metal equipment for moving earth by pushing it along the ground; it is held up by two articulated arms and caused to swivel by hydraulic cylinders.
cutting edge ![click to hear](/images/speaker.jpg)
Bottom sharp part of the blade that scrapes the ground; it is replaced when worn out.
track idler ![click to hear](/images/speaker.jpg)
Wheel connected to the final drive by the roller frame; it keeps the track taut and aligned.
push frame ![click to hear](/images/speaker.jpg)
Lengthwise part articulating with the roller frame and the blade.
track ![click to hear](/images/speaker.jpg)
Chain made up of articulated shoes that rolls between the wheels and the ground; it allows the bulldozer to move over rough terrain.
track roller frame ![click to hear](/images/speaker.jpg)
Lengthwise part forming the track’s chassis; the final drive and the track idler are attached to it.
ripper shank ![click to hear](/images/speaker.jpg)
Part of the ripper that digs into the ground to break it up.
ripper tip tooth ![click to hear](/images/speaker.jpg)
Part attached to the end of the tooth that breaks into hard ground; it is replaced when worn out.
shank protector ![click to hear](/images/speaker.jpg)
Part attached on the inner side of a tooth to brace the tooth; it is replaced when worn out.
ripper cylinder ![click to hear](/images/speaker.jpg)
Hydraulic device with a telescopic arm that manipulates the ripper.
final drive ![click to hear](/images/speaker.jpg)
Motor wheel with teeth that drives the track.
cab ![click to hear](/images/speaker.jpg)
Compartment from which the operator controls the bulldozer.
diesel motor compartment ![click to hear](/images/speaker.jpg)
Combustion engine in which the compressed air becomes sufficiently hot to ignite the injected fuel.
tooth ![click to hear](/images/speaker.jpg)
Sprocket on the final drive that meshes with the track to provide traction.
ripper ![click to hear](/images/speaker.jpg)
Equipment for breaking up hard earth; it is made up of a frame fitted with one to three teeth and is mounted on the back of a bulldozer.
crawler tractor ![click to hear](/images/speaker.jpg)
Machine that can move along rough ground by means of two tracks; it is equipped with a blade and a ripper.
blade ![click to hear](/images/speaker.jpg)
Concave metal equipment for moving earth by pushing it along the ground; it is held up by two articulated arms and caused to swivel by hydraulic cylinders.