A: It eliminates platform drift during slope operations, solves slow or jerky cabin rotation, and stops loud clunking noises inside the swing mechanism.
A: Technicians must flush the entire hydraulic circuit to eliminate metallic particles and verify initial oil pre-filling before starting the motor.
A: Match the factory motor plate stamped numbers with 38K8-11102. It directly fits R290LC-7A, R300LC-7, HX300L, and R305LC-7 excavators.
A: The reinforced steel internal gears tolerate intense shock loads, sudden rotational stops, and severe outdoor dust without losing operating pressure.
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





















