We supply a comprehensive inventory of heavy-duty internal components for Mottrol (Doosan), Jeil, Kayaba (KYB), and Teijin Seiki final drives utilized across the Hyundai Robex and HX/HW series lineups. Our stock includes:
- Cylinder blocks (barrels), piston assemblies with high-grade bronze-faced shoes, valve plates, retainer plates, and swash plate supports.
- First, second, and third-stage carrier assemblies, sun gears, planetary gears, and outer ring gears.
- Main motor shafts, splined gearbox input shafts, and premium angular-contact main bearings.
- Premium duo-cone floating seals, high-pressure motor shaft seals, and complete O-ring kits.
Give our heavy machinery parts team your Hyundai Machine Model, Serial Number, or the stamped data plate code from your drive casing, and we will pull the exact direct-fit internal parts needed to get your excavator tracking straight and true.