(OVER DRIVE)

All about engine/over drive/The overdrive is given after the furth gear. The overdrive are given in the behind of the gear box casing, ( And more speed assembly Is applied ) And the overdrive does hellp in the work of fourthgear. And the more speed can also be obtained From top gear due to over-drive.And can increases the propeller shaft speed morethan 70%. And the overdrive composition is avelible generaly in the Manually or Mechanically Operated gearbox.And remains fit overdrive Counter shaft gear. in the behind top of the countershaft by help of the bush. And after that the dog clutch remains fit.