A: Loud grinding, metallic clicking, or heavy vibrations during swing acceleration point to broken planetary gear teeth or failed bearings, requiring immediate gearbox replacement.
A: The gearbox must be filled with specified extreme-pressure gear oil to the correct level mark before operation. Re-check the level after the first few rotations to account for air pockets.
A: Both part numbers share the identical technical blueprint and physical footprint. RITO YN32W00025F1 fits both variations smoothly without modifications.
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






















