Excavator Center Joint Assembly Rotary Swivel Joint for Sany SY75 Digger

It is a brand-new aftermarket center joint (swivel) assembly built to fit the Sany SY75. It is not a Sany-branded OEM part, but the flange, oil port layout and mounting are designed as a direct replacement.

Please confirm your excavator model and the original part number. This center joint is built for the Sany SY75; send us machine details and photos of the old unit and we will verify compatibility before shipment.

It is supplied as the complete center joint (rotary swivel) assembly that transfers hydraulic oil between the lower frame and the rotating upper structure. Please tell us if you also need a matching seal kit.

Yes. Replacing the worn unit normally stops internal and external leakage and restores stable oil pressure to the travel and swing circuits.

A seal kit can help only when the housing, spool and bore are still within tolerance. When the spool or bore is worn or scored, full replacement is the more reliable option.

Price is negotiable and depends on order quantity, model and shipping terms. Send us your target quantity and destination and we will quote our best price.

Warranty is negotiable and agreed case by case. Please contact us to confirm the exact warranty terms before placing your order.

MOQ is 1 piece. Small trial and sample orders are welcome.

In-stock items ship within 3-7 working days. For production orders, please allow 15-25 days after payment.

Payment by T/T, L/C, Western Union and PayPal. We ship by express, air and sea, with FOB, CIF or DDP door-to-door service depending on your region.

Yes. Each unit is pressure and leak tested and inspected before packing to ensure it performs on arrival.

This item is supplied without third-party certificates. If a specific certificate is required for your market, please advise in advance and we will tell you what can be arranged.