Premium Hydraulic Components for Hitachi Excavators: Precision & Durability Guaranteed

As a trusted supplier for Hitachi construction machinery, Tonkee specializes in manufacturing hydraulic system components that keep your equipment running at peak efficiency. Our flagship products include:

• 4003106 & 4003105 BEARING – Essential for ZX200-5G/ZX210-5G swing motors

• 4003100 GUIDE RING – Fits EX1200-6/EX2600 hydraulic pump assemblies

• 4105025 SHAFT – Core component for PC200-8/PC300-7 main control valves

• 4514814 COVER (Front) & 4514815 COVER – Designed for CX240B/CX350B final drive protection

• 972730 COUPLING – Optimizes power transmission in EX5600-7 hydraulic motors

Every component is engineered for precise integration:

• The 0126504 PISTON RING ensures perfect sealing in Hitachi ZX870H-5A hydraulic cylinders

• 4105024 VALVE maintains optimal oil flow in Komatsu PC400-8 hybrid systems

• 4105026 CONNECTING ROD – Critical for CAT 320D/320GC excavator pumps

• Our 4105023 OIL MOTOR powers Volvo EC380DL hydraulic rotation systems

With 13+ years in heavy machinery parts manufacturing (), we provide:

• 100% OEM-standard quality control

• 1,000+ units/month production capacity ()

• 3-month warranty on all hydraulic components

• Global shipping via air/sea express ()