Tracked articulated vehicle

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A tracked articulated vehicle or articulated tracked vehicle (abbreviated as ATV.^[1] but not to be confused with all-terrain vehicle), is a variation of a continuous track vehicle that consists of two cars, each with their own track, most commonly with an actuated linkage in between. This configuration allows an articulated tracked vehicle to turn by articulating the swivel joint in between the two vehicles (also known as articulated steering), as opposed to using differential steering to move one track faster than the other.

Tracked articulated vehicles differ from most other articulated vehicles in that in a tracked articulated vehicle both wagons are powered and that removing the coupling in between the units would render them inoperable.