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

  • Postcrash safety
    Postcrash safety is safety measures and devices that lessen the chance of a driver or ...
  • Hybrid drivetrain layout
    Hybrid drivetrain layout is the drivetrain layout in a hybrid vehicle: parallel, series ...
  • Balancing (tires)
    ...
  • Drive-off fees
    Drive-off fees also referred to as "Total Due at Signing." The total cost that must be ...
  • Air pump filter
    Air pump filter is a device that eliminates contaminants from the air supply fed to the ...