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The Prefix ____ Means "Externally

question 12

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The prefix ____ means "externally."


Definitions:

Serviced

The act of performing maintenance or repair work on a vehicle or machinery to ensure it operates correctly.

Trailer Component

A part or element used in the construction or assembly of a trailer, such as axles, brakes, or lighting systems.

Tractor Chassis

The main structural frame of a tractor, to which all other components and systems are attached or supported.

Kingpin

(1) The linkage pin used in a steering knuckle that permits the assembly to pivot, or the tempered steel, coupling pin mounted on a trailer upper coupler that engages with fifth wheel jaws; (2) The lugged pin built into a trailer upper coupler assembly that engages to jaws in a fifth wheel assembly, permitting articulation at the fifth wheel. Forged from middle alloy steels and tempered. In North America, a kingpin is usually welded into the upper coupler; elsewhere, it is more often bolted.

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