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graderclick to hear

Machine with a swiveling blade situated between two wheel shafts for leveling the ground or clearing debris off a roadway.
grader turntable front wheel front axle blade rotation cylinder blade lift cylinder blade drive wheels counterweight overhead frame blade shifting mechanism cab exhaust stack engine compartment

turntable click to hear

Ring with a toothed crown that causes the blade to rotate around a vertical axle.

front wheel click to hear

Wheel that changes the grader’s direction; it also tilts into a turn to brace against drag when it meets an obstacle offering strong resistance.

front axle click to hear

Bowed axle made up of a device that acts as a walking beam to compensate for uneven ground.

blade rotation cylinder click to hear

Hydraulic cylinder that causes the pivoting movement of the blade.

blade lift cylinder click to hear

Hydraulic cylinder that raises and lowers one end of the blade.

blade click to hear

Piece of equipment for leveling the ground that can be positioned in any direction.

drive wheels click to hear

Wheels driven by the engine to impel the machine; they are mounted on a walking beam to compensate for uneven ground.

counterweight click to hear

Counterbalance that prevents the machine from lifting up when it meets an obstacle offering strong resistance.

overhead frame click to hear

Front part of the chassis; it is long enough to allow the blade to swivel without striking the wheels.

blade shifting mechanism click to hear

Set of articulated arms to which the hydraulic cylinders are attached; these arms cause the blade to move and swivel.

cab click to hear

Compartment from which the driver operates the grader.

exhaust stack click to hear

Vertical upper part of the conduit that evacuates exhaust gas from the engine.

engine compartment click to hear

Device converting the combustion of fuel and air into mechanical energy.