A: The excavator veering to one side during straight transit, a sudden drop in climbing torque, and high casing oil temperatures across the travel lines.
A: Workshop mechanics must thoroughly flush the original travel line circuit to eliminate debris from the previous failure, and fill the gearbox with fresh lubricant before tracking.
A: Yes, it is engineered with a standard heavy-frame mounting flange that matches the bolt circle patterns specified across all listed 21-ton series variations.
A: It features heavy-duty mechanical duo-cone seals held by resilient load rings that maintain constant sealing pressure, keeping out mud and grit even when submerged.
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






















