wheel loader![click to hear](/images/speaker.jpg)
Excavation machine made up of a wheel tractor, a backhoe and a front-end loader.
boom ![click to hear](/images/speaker.jpg)
Oscillating part of the backhoe that moves the dipper arm and thus the bucket up and down.
dipper arm ![click to hear](/images/speaker.jpg)
Oscillating part of the backhoe that moves the bucket toward and away from the tractor.
dipper arm cylinder ![click to hear](/images/speaker.jpg)
Hydraulic device consisting of a telescopic arm that controls the movement of the dipper arm.
backward bucket ![click to hear](/images/speaker.jpg)
Bucket for digging into the ground; it is loaded by dragging it toward the tractor.
bucket cylinder ![click to hear](/images/speaker.jpg)
Hydraulic device consisting of a telescopic arm that controls the back-and-forth motion of the bucket.
boom cylinder ![click to hear](/images/speaker.jpg)
Hydraulic device consisting of a telescopic arm that controls the movement of the boom.
diesel engine compartment ![click to hear](/images/speaker.jpg)
Combustion engine in which the compressed air becomes sufficiently hot to ignite the injected fuel.
cutting edge ![click to hear](/images/speaker.jpg)
Protrusions along the rim of the bucket that cut into the material to be moved.
backhoe controls ![click to hear](/images/speaker.jpg)
Set of levers for manipulating the backhoe.
bucket ![click to hear](/images/speaker.jpg)
Deep trough that can be raised and tipped.
bucket lever ![click to hear](/images/speaker.jpg)
Part impelled by the bucket hydraulic cylinder that allows the bucket to swivel on a horizontal axis.
bucket cylinder ![click to hear](/images/speaker.jpg)
Hydraulic device composed of a telescopic arm that controls the movement of the bucket lever.
cab ![click to hear](/images/speaker.jpg)
Compartment from which the operator controls the wheel loader.
lift-arm cylinder ![click to hear](/images/speaker.jpg)
Hydraulic telescopic device that raises and lowers the lift arm.
lift arm ![click to hear](/images/speaker.jpg)
Lever that connects the loader to the tractor; it raises and lowers the loader.
bucket hinge pin ![click to hear](/images/speaker.jpg)
Set of parts that causes the backhoe to move around a vertical axle to swivel the bucket from side to side.
backhoe ![click to hear](/images/speaker.jpg)
Equipment for digging into the ground and moving rubble; it consists of a bucket, an arm and a boom impelled by hydraulic cylinders.
wheel tractor ![click to hear](/images/speaker.jpg)
Machine whose chassis can be articulated; it is equipped with a backhoe and a loader.
front-end loader ![click to hear](/images/speaker.jpg)
Equipment for lifting objects or material to be moved or loaded; it consists of a bucket and a lift arm impelled by hydraulic cylinders.