A: Thick metallic dust or steel shards appearing in the drained oil, loose wobble in the cab structure, and irregular binding resistance during continuous 360-degree cycles.
A: Scrape away old sealant from the frame deck ring, align the output pinion cleanly with the main ring gear, and fill the gearbox with fresh gear lubricant prior to tracking.
A: Yes, these numbers represent different production series of the same basic planetary reduction gearbox, matching factory mounting metrics to guarantee a direct mechanical match.
A: The gear train is forged from high-tensile alloy steel that undergoes deep case-carburizing heat treatments, providing a tough core that prevents tooth fractures during rough tracking 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






















