hydraulic shovel

Machine made up of a pivot cab with a bucket attached for moving various types of material.

tooth

Protrusions along the rim of the bucket that cut into the material to be moved.

diesel engine compartment

Combustion engine in which the compressed air becomes sufficiently hot to ignite the injected fuel.

pivot cab

Platform that supports the boom and rotates on the turntable.

turntable

Circular path on which the cab rolls as it pivots on a vertical axle.

bucket cylinder

Hydraulic device consisting of a telescopic arm that controls the back-and-forth movement of the bucket.

arm

Oscillating part of the backhoe that moves the bucket toward and away from the tractor.

hinge pin

Axle enabling the arm to articulate with the boom.

backward bucket

Bucket for digging into the ground; it is loaded by dragging it toward the tractor.

outrigger

Retractable component that stabilizes the machine when the shovel is in use.

frame

The hydraulic shovel’s metal structure.

counterweight

Weight counterbalancing the load in the shovel to stabilize the shovel.

cab

Compartment from which the operator manipulates the shovel.

boom cylinder

Hydraulic device consisting of a telescopic arm that controls the movement of the boom.

boom

Oscillating part of the backhoe that moves the arm and thus the bucket up and down.

arm cylinder

Hydraulic device consisting of a telescopic arm that controls the movement of the arm.