970224101 90203640 932435801 90203648 Running Gear & Travel Drive Assembly for

The Running Gear and Travel Drive Assembly (970224101, 90203640, 932435801, & 90203648) represents the massive structural and mechanical heart of the Liebherr R9350 mining excavator's undercarriage. Engineered for the extreme demands of 300-ton class machinery, these components provide the immense torque and load-bearing capacity required to move heavy mining equipment across rugged open-pit terrain while ensuring stability during intense digging cycles.

Uncompromising Power for Ultra-Class Mining The Liebherr R9350 is a cornerstone of global mining operations, demanding undercarriage components that can withstand thousands of tons of pressure. The 970224101 and 932435801 Travel Drives are high-torque planetary gearboxes designed to translate hydraulic energy into the massive tractive effort needed to propel the R9350. These units work in tandem with the 90203640 and 90203648 running gear components to ensure synchronized movement and structural integrity under the most punishing loads.

In mining, downtime is the ultimate enemy. Our premium aftermarket assemblies are manufactured from high-strength forged alloys and feature induction-hardened gear teeth to resist the pitting and fatigue common in 24/7 mining cycles. Replacing worn drives with our precision-engineered units restores your machine's mobility and gradeability, protecting your production targets.

The R9350 is a global mining standard, and our running gear components are optimized for the world's most challenging environments:

• Australia & North America: Built to meet the high-durability standards of large-scale coal and iron ore mines where machine uptime is tracked to the second.

• Africa & South America (Congo, Chile, Peru): Engineered with specialized high-temperature seals to resist oil breakdown in the extreme ambient heat of copper and gold mines.

• CIS Regions (Russia, Kazakhstan): Features metallurgical properties that maintain structural toughness in sub-zero temperatures, preventing brittle fractures in the drive housing during winter operations.

• Southeast Asia: Reinforced with multi-stage floating seals to prevent the ingress of abrasive volcanic dust and moisture in tropical mining pits.

Undercarriage maintenance for a 300-ton machine requires specialized protocols to ensure long-term reliability.

• Oil Analysis (SOS): For mining drives like the 932435801, regular oil sampling is mandatory. Monitoring for microscopic metallic particles can prevent a minor bearing wear issue from turning into a catastrophic gearbox failure.

• Floating Seal Inspection: The heavy-duty seals are the only thing protecting your planetary gears from abrasive mine dust. Check for even the slightest oil weeping around the drive sprocket—replacing a seal is a fraction of the cost of replacing the entire drive.

• Torque Verification: Always use new mounting bolts and follow Liebherr's specific multi-stage torque and angle specifications when installing the 970224101 assembly. Given the vibration in mining sites, improper torque can lead to mounting flange failure.

• Magnetic Plug Maintenance: Clean the magnetic drain plugs at every oil change. Significant metal buildup is a clear indicator that the planetary carriers or sun gears require internal inspection.

Guangzhou Tieqi Construction Machinery Co., Ltd. (IRON CAVALRY) is strategically located in Guangzhou's Huangpu District, approximately an hour from Baiyun International Airport. We have been a dedicated specialist in engineering machinery hydraulics for nearly 15 years.

Driven by our core values of "Pragmatism and Progress," we are committed to delivering practical solutions and upholding our responsibilities. This principle-driven approach defines all our operations and client partnerships.

In China's excavator hydraulic assembly sector, our efficient execution and rigorous approach to manufacturing every product to meet over 95% of original performance specifications have built widespread trust. This has made us a destination for industry peers and clients seeking knowledge and reliable supply.

Our capability is backed by a ready inventory of over 500 assembly types, providing access to more than 6,000 different parts. Hydraulic pump, control valve, travel, and swing assemblies are our core products, with a distinct advantage in large mining excavator components and hard-to-find items.

Our 4,000-square-meter factory in Guangzhou is equipped for professional manufacturing, precision assembly, rigorous testing, and quality certification, ensuring reliable performance and timely delivery for every order.

For large items, we use sturdy plywood crates secured with metal fasteners for added stability. Inside, the products are cushioned with bubble wrap and secured with wooden braces, while special attention is given to protecting vulnerable parts. Externally, the crates are reinforced with high-strength PET plastic strapping and wrapped in highly waterproof black film.

• One-stop solution provider for all your hydraulic component needs
• High-quality products at competitive prices
• Exceptional customer service that makes you feel at home
• Large inventory, short delivery times, and long warranty periods
• Professional expertise with accurate part number identification for excavator components