Definition

4WD

4WD is a drivetrain that employs two differentials and a transfer case to provide power to all four wheels of a vehicle.

Share it:  Cite

More from this Section

  • Fuel injection (FI)
    Fuel injection (FI) is a fuel delivery system in which nozzles (injectors) spray fuel ...
  • Tow hooks
    Tow hooks are metal hooks or eyelets, either fixed or removable, that are attached to ...
  • Snowplow prep
    Snowplow prep is the hardware needed to attach a factory-optional, removable snowplow ...
  • Crankcase depression regulator valve
    Crankcase depression regulator valve is a valve that prevents excess pressure from building ...
  • CVT
    CVT is a transmission with a continuously variable drive ratio (as opposed to conventionally ...