bulldozer
Excavation machine for pushing materials; it is made up of a crawler tractor, a blade and often a ripper.
air pre-cleaner filter 
Device that removes dust from the air entering the engine.
exhaust pipe stack 
Conduit through which the combustion gases are expelled into the ambient air.
blade lift cylinder 
Hydraulic device with a telescopic arm for raising and lowering the blade.
blade 
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 
Bottom sharp part of the blade that scrapes the ground; it is replaced when worn out.
track idler 
Wheel connected to the final drive by the roller frame; it keeps the track taut and aligned.
push frame 
Lengthwise part articulating with the roller frame and the blade.
track 
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 
Lengthwise part forming the track’s chassis; the final drive and the track idler are attached to it.
ripper shank 
Part of the ripper that digs into the ground to break it up.
ripper tip tooth 
Part attached to the end of the tooth that breaks into hard ground; it is replaced when worn out.
shank protector 
Part attached on the inner side of a tooth to brace the tooth; it is replaced when worn out.
ripper cylinder 
Hydraulic device with a telescopic arm that manipulates the ripper.
final drive 
Motor wheel with teeth that drives the track.
cab 
Compartment from which the operator controls the bulldozer.
diesel motor compartment 
Combustion engine in which the compressed air becomes sufficiently hot to ignite the injected fuel.
tooth 
Sprocket on the final drive that meshes with the track to provide traction.
ripper 
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 
Machine that can move along rough ground by means of two tracks; it is equipped with a blade and a ripper.
blade 
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.