final drive

English

Noun

final drive (plural final drives)

  1. (machinery, industrial equipment) The final gear train between the transmission and the ground. In automotive and heavy equipment, this is the differential gear and axle assembly that turns the wheels or track sprockets.
    • 1950 October, “S.R. Diesel-Mechanical Shunter”, in Railway Magazine, page 692:
      Final drive is by reduction gears on the jackshaft, and through flycranks and rods to the wheels.
    • 1958 April, “Diesel Railbus for British Railways”, in Railway Magazine, page 275:
      A universal joint shaft takes the drive to the final drive unit mounted centrally on one of the axles.
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