Provides instruction on the theory of power transmissions from engine to traction wheels. Includes function and operation of gears, chains, clutches, planetary gears, drivelines, differentials, and transmissions. Complete disassembly, inspection, and reassembly of clutches, 2-speed planetaries, differentials, final drives, mechanical front-wheel drive, power take-offs, and transmissions. Proper set-up and adjustment of differentials and final drives using bearing pre-loads, shimming, rolling drag, etc. will be covered as well.