130101010262A Nabtesco GM95 Final Drive for Sany SY500 SY500H | GM95VA-A-170/290-1 Travel Motor Gearbox Replacement

The Final Drive Assembly (130101010262A) is the heavy-duty propulsion unit for the Sany SY500 and SY500H 50-ton class excavators. Featuring the industry-standard Nabtesco GM95 (GM95VA-A-170/290-1) hydraulic motor and planetary gearbox, this assembly is engineered to deliver the massive tractive effort and high torque required for large-scale mining, quarrying, and heavy earthmoving operations.

Unmatched Tractive Power for 50-Ton Excavators The Sany SY500H is a powerhouse in the mining sector, and its ability to traverse rugged terrain depends entirely on the Nabtesco GM95 Final Drive. This assembly integrates a dual-displacement axial piston motor with a high-reduction planetary gearbox. It is specifically designed to handle the extreme structural loads of the SY500 series, providing the smooth, reliable propulsion necessary for climbing steep grades and pushing through soft or rocky underfoot conditions.

If your machine is showing signs of travel "fading" on slopes or unusual noise from the track frame, your final drive may be approaching its service limit. Replacing your unit with our premium GM95VA-A-170/290-1 assembly restores your machine's original drawbar pull, ensuring your mining fleet stays productive with minimal downtime.

The SY500H is a global workhorse, and our GM95 final drive is optimized for various international environments:

• CIS & Central Asia (Russia, Kazakhstan, Uzbekistan): Engineered with high-strength forged gears that resist structural fatigue in high-production open-pit mines and cold-weather operations.

• Southeast Asia (Indonesia, Philippines): Features a reinforced multi-stage sealing system to protect internal planetary groups from abrasive volcanic dust, mud, and tropical moisture.

• Africa & Middle East (Congo, Guinea, Saudi Arabia): High thermal stability components designed to maintain oil viscosity and prevent seal failure in extreme desert or high-ambient mining heat.

• South America: Ideal for high-altitude mining applications where hydraulic efficiency and reliable torque multiplication are critical.

For 50-ton machinery, the travel drive is subjected to massive pressure. Correct installation is the only way to protect your investment.

• Case Drain Pressure Verification: Before operating the new 130101010262A motor, check the case drain line for any restrictions. High back-pressure in the drain line is the #1 cause of shaft seal failure in heavy-duty travel motors.

• Contamination Control: If the previous motor failed due to internal fragmentation, the entire hydraulic circuit—including the center joint and travel valves—must be flushed. Residual metal shards will destroy the precision-lapped pistons of the new motor in hours.

• Gear Oil Maintenance: For mining operations, use only High-Load Extreme Pressure (EP) gear oil. Given the high torque of the GM95, regular oil sampling (SOS) is recommended to monitor the health of the planetary gears and bearings.

• Sprocket Bolt Torque: Always use new bolts and follow the Sany factory torque specifications when mounting the sprocket to the drive. Loose bolts can lead to catastrophic flange damage.

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