ZX350H-3 Center Joint Rotary Manifold Hydraulic center joint assembly, also known as rotary manifold or swivel joint, designed for Hitachi ZX350H-3 and compatible excavator models. Quoted under part numbers 9101521, 9107265, 9145933, 9156877, and 9145787. Key Features Hydraulic center joint, rotary manifold and swivel joint for ZX350H-3 class excavators Routes boom, arm, bucket, travel and swing circuits between upperstructure and undercarriage Quoted under 9101521, with