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