Premium Hydraulic Components for Hitachi Excavators: Precision Parts for Maximum Performance

As a trusted supplier in heavy machinery maintenance, Tonkee specializes in high-quality replacement components for Hitachi excavator hydraulic systems. Our solutions ensure operational efficiency for models like ZX200, ZX350, and EX1200.

Core Product Offerings

Sealing Solutions & Structural Components

• 0456504 END - Critical seal for ZX350 main pump assemblies

• 0466601 CAP - Protective cover for hydraulic cylinder rods

• 0456502 BACK-UP RING - Enhances seal durability in extreme pressure environments

Valve System Essentials

• 0320705 VALVE SEAT 0320704 VALVE SEAT - Precision-machined components for EX1200 control valves

• 0770403 FLOW CONTROL HYD. VALVE - Regulates hydraulic pressure in ZX200 systems

• Spring series: 0320707 SPRING & 0320706 SPRING - Crucial for valve return mechanisms

Application-Specific Solutions

Our components are engineered for compatibility with:

• Main Pump Assemblies - Fitting EX3600 and ZX470 models

• Travel Motor Systems - Optimized for EX800 and ZX870 excavators

• Swing Machinery - Compatible with EX1900-6 hydraulic circuits