Four-Wheel Drive (4WD) Defined :: Radiator Glossary & Radiator Terms

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Radiator Glossary of Terms

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Four-Wheel Drive (4WD)
A method of driving a vehicle by applying engine torque to all four wheels. Various schemes are used for 4WD including part-time, full-time and variable four-wheel drive. The primary advantage of four-wheel drive is increased traction-which is especially