90216432 11428178-003 LH46VE Final Drive for Liebherr R930 R936 High-Precision Travel Motor & Gearbox Assembly

The Final Drive and Travel Motor Assembly (90216432 & 11428178-003) is the heavy-duty propulsion heart of the Liebherr R930 and R936 Generation 8 crawler excavators. Featuring the advanced LH46VE high-pressure hydraulic motor integrated with a multi-stage planetary gearbox, this unit is engineered to deliver the massive tractive effort and smooth travel performance required for the 30 to 38-ton machine class in large-scale earthmoving, quarrying, and infrastructure projects.

Unmatched Reliability for Liebherr Generation 8 The Liebherr R930 and R936 represent the pinnacle of modern excavation efficiency. To maintain their reputation for "Litronic" precision, the 90216432 Final Drive must perform flawlessly under immense stress. By pairing the LH46VE motor—known for its superior power density—with Liebherr's robust planetary gearing, this unit ensures your machine can navigate steep gradients and heavy mud without losing synchronization or drawbar pull.

In high-production environments, the travel drive is often the most abused component. Our premium aftermarket units are manufactured with induction-hardened gears and high-strength forged housings to resist the structural fatigue and heat buildup common in 24/7 earthmoving cycles. Replacing a failing drive with our 11428178-003 series assembly restores factory-standard speed and power, protecting your operational uptime.

• The Liebherr R930/R936 series is a global workhorse, and our drive assemblies are optimized for the following international markets:

  • Europe (Germany, France, UK): Meets the high-precision requirements for civil engineering and urban infrastructure where low-noise operation and high volumetric efficiency are mandatory.

  • North America: Engineered for the demanding road-building and heavy construction sectors, offering the durability needed for varied terrains from the Rocky Mountains to the Southern plains.

  • Australia & Oceania: Features reinforced "Mining-Grade" floating seals to protect internal gears from the abrasive red dust and sandy soils common in large-scale quarrying support.

  • Middle East & Africa: Optimized for high thermal resilience in the LH46VE motor section, preventing seal hardening and oil degradation in high-ambient desert temperatures.

• Advanced LH46VE Motor Technology: The variable displacement motor allows for seamless two-speed travel, providing high speed for transport and high torque for heavy pushing.

• Reinforced Gear Metallurgy: Every sun gear and planetary wheel is precision-ground and heat-treated to ensure uniform load distribution across the entire gear set.

• Superior Sealing Protection: Equipped with premium heavy-duty mechanical seals to prevent gear oil leakage and protect the high-precision internal components from environmental contamination.

• Direct "Plug-and-Play" Fitment: Built to the exact dimensional tolerances of Liebherr 90216432, ensuring all hydraulic pilot lines and main pressure ports align perfectly for a fast installation.

A drive of this size is a significant investment; proper technical protocols are essential for its longevity:

• Case Drain Line Verification: Before operating the new LH46VE motor, ensure the case drain line is completely free of obstructions. A blocked case drain will cause an immediate pressure spike, blowing the motor's main shaft seal.

• Gear Oil Management: Change the planetary gearbox oil every 1,000 operating hours. For machines working in abrasive mud or water, check the oil frequently for a "milky" appearance, which indicates water ingress.

• System Flushing: If the previous motor suffered a catastrophic failure (metal fragmentation), a full hydraulic system flush is mandatory. Residual metal shards will act like sandpaper, destroying a new motor in minutes.

• Air Bleeding & Priming: Never start the engine with a "dry" motor. Fill the motor case with clean hydraulic oil through the highest port before startup. Cycle the travel function at low idle to purge all trapped air before applying full loads.

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