A: The most common indicator is bucket unrolling under load when the control lever is released. If the bucket fails to maintain its crowding angle while lifting heavy rocks, oil is bypassing the internal piston sealing ring.
A: Use overhead cranes to support the unit evenly during pin alignment to avoid side-loading the rod. Clean and grease the pin holes thoroughly, and slowly cycle the cylinder multiple times without load to bleed out trapped air bubbles.
A: Yes, it is fully engineered to fit the specified series, including the ZX180W wheeled variants and ZX200-3 tracked excavators. Mount configurations and oil port sizes are identical across these fleet categories.
Q: What quality options are available?
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies






















