A: Excessive cab drift when swinging stops, loud grinding from the floor plate, or visible oil leaking into the swing machinery well. These symptoms indicate worn internal brake discs or damaged teeth in the reduction gears.
A: Clean the mounting deck thoroughly and align the output pinion cleanly with the main swing circle gear. Technicians must check the gear backlash with a dial indicator and use high-strength thread locker on all mounting bolts.
A: Yes, the mounting base and hydraulic ports match both series perfectly. The internal valving is optimized to handle the pilot pressures used in both the -7 and -8 control systems.
A: It features wide internal oil passages and efficient casing ports that promote quick cooling oil flow. This helps maintain proper oil viscosity and prevents seal damage, even during continuous, high-frequency swinging shifts.
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






















