E307C Excavator Center Joint Rotary Joint Swivel Joint Hydraulic Oil Distributor

E307C Excavator Center Joint (Oil Distributor) The E307C Excavator Center Joint is a complete rotary swivel joint (oil distributor) built as a direct replacement for the E307C excavator. It provides reliable hydraulic oil transfer between the upper structure and the undercarriage, ensuring smooth rotation and travel operation. Key Selling Points E307C Center Joint — rotary swivel joint / oil distributor manufactured to match the original mounting dimensions and port layout.