... good price.We can offer Gear box assembly,cycloid gear,sun gear,swing shaft,crank shaft and another gear for Hitachi,Caterpillar,Kato,Kumatsu ... ,Kobelco,Dawoo, Sumitomo excavator brand.We can do gear for the machine model following:PC60-2HD770-1PC60-6HD800SD-5PC200 ... -2DH220-3ROBX200DH220-5R200DH280-2R210DH280-3R220-5DH300-5R290LG-5WY20-2R320WY20-3MXSE210LMX222MX280MX292 RV gear for PC200-1