
424-22-12531 GEAR – High-torque transmission components
424-22-12510 PIN – Precision linkage connectors
424-22-12440 – Heavy-duty axle assemblies
424-22-12420 GEAR – Load-bearing gear systems
424-22-12410 – Excavator pivot mechanisms
424-22-11301 GEAR ASS'Y – Integrated gear modules
424-22-11281 COUPLING – Hydraulic line connectors
424-22-11140 – Track roller bushings
424-22-11072 – Final drive components
424-22-10073 – Undercarriage reinforcement plates
424220C1 HOSE – High-pressure hydraulic lines
424-22-05010 SERVICE KIT – Complete maintenance packages
4242155M91 – Engine mounting brackets
4242153M1 – Swing drive assemblies
4242152M1 – Blade control linkages
These precision-engineered parts are essential for:
Excavators (PC200, PC300, PC400): Ideal for mining operations and large-scale earthmoving projects
Bulldozers (D65, D85): Critical for road construction and land clearing
Wheel Loaders (WA500, WA600): Perfect for material handling in quarry operations
1. Lubricate track rollers every 50 operating hours to prevent premature wear
2. Inspect hydraulic hoses monthly for abrasions and leaks
3. Clean cooling systems seasonally to prevent overheating
1. Unusual gear noise? Check gear alignment and lubrication
2. Hydraulic failure? Test pressure relief valves immediately
3. Track slippage? Adjust track tension and inspect sprockets
Guangxi Huayang specializes in:
Undercarriage Systems: Complete track chains and rollers
Hydraulic Solutions: Pumps, valves, and cylinders
Power Components: Engine parts and transmission gears
Contact our experts: Mobile/WeChat/WhatsApp: +86 13977190083 | Email: lihongchun068@gmail.com
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