A: The track drives losing travel force when the fluid warms up under load, gear oil leaking into the undercarriage frame ring, or the machine tracking unevenly under full throttle.
A: Workshop mechanics must thoroughly polish any burrs or scoring off the steel rotor columns and coat the new packing rings with clean oil before sliding the housing back together.
A: Yes, it is a complete master packaging solution engineered to re-seal both the high-pressure propulsion lines and the low-pressure pilot and return channels for this specific machine size class.
A: The polyurethane compounds undergo advanced cold-flex temperature treatment during manufacturing, allowing the rings to keep high flexibility down to -40°C and stop dry startup leaks.
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






















