Two wheel drive or 2WD describes vehicles with a drivetrain that allows two wheels to receive power from the engine simultaneously.
Four wheeled vehicles[]
For four-wheeled vehicles, this term is used to describe vehicles that are able to power at most two wheels, referred to as either front or rear-wheel drive. The term 4x2 is also used, to denote four total wheels with two being driven.
For vehicles that have part-time four wheel drive, the term refers to the mode when 4WD is deactivated and power is applied to only two wheels.
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