A: It fixes weak tracking power on one side, abnormal gear grinding noises in the undercarriage, and internal gear lockups during travel.
A: Align sprocket mounting holes precisely, use fresh heavy gear oil, and check torque specifications on all retaining bolts during assembly.
A: Cross-reference the chassis serial number and part code 31N6-40051, ensuring a direct drop-in fit for R210LC-7 and R225LC-7 models.
A: The rigid forged housing absorbs high impact shocks from rocks while retaining gear lubrication efficiency across extreme high and low temperatures.
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





















