Hitachi 4403534 Center Swivel Joint Assembly

This hydraulic center swivel joint assembly (center joint) is designed for Hitachi ZAX60 and ZX60 series mini excavators. It functions as the central rotary manifold transferring pressurized hydraulic fluid between the stationary track frame and the rotating upper structure, enabling continuous 360-degree slewing operation. The unit integrates multiple ports for swing motor, travel motors, and pilot circuits. It is engineered to meet OEM dimensional and performance requirements for 6-ton class excavators. Compatible with Hitachi ZAX55, ZX55, ZAX60USB-3, ZX60USB-3F, EX60-5, and EX65 models. Supplied as 100% brand-new aftermarket replacement.