Prerequisite: JDAT1440, 1441, 1442, 1443. Theory, function, and operation of gears, chains, clutches, planetary gears, drive lines, differentials, and transmissions. Designs, construction, operation, and service methods of bearings, seals, and shafts. Theory of power transmission from engine to traction wheels. Complete disassembly, inspection, and reassembly of John Deere clutches, 2-speed planetary, differentials, final drives, mechanical front-wheel drive, power takeoffs, and transmissions as used in John Deere Equipment. Syncro-range, quad- range, powershift and IVT transmission, repair, adjustment, and diagnostics.