CASE MATERIALS ARE GG 25 FOR FROM P1 TO P4 AND GGG40 FROM P5 TO P10 CASE HAVE MORE STRENGTH AND ESTHETIC VIEW PLACE FOR BEARINGS ARE MACHINED ACCORDING TO STANDARDS LONG LIFE CYCLE IS CONSIDERED FOR SELECTING BEARINGS GEARS MATERIAL IS SAE 8620 FORGING MATERIALS AND ISOTHERMIC TEMPERING IS APPLIED CARBURIZING IS APPLIED ACCORDING TO MODULE OF GEARS AND ADJUSTING HARDNESS DEPTH GRINDING AND SCRAPING ARE APPLIED TO GEARS SHAFT MATERIAL IS SAE 1050 STEEL AND TOLERANCES ARE ADJUSTED ACCORDING TO STANDARD NORMS