524-8317 538-9703 Main Hydraulic Pump for TQCAT 326D2 335F Excavator | High Performance Piston Pump Aftermarket Spare Parts

Efficiency in heavy-duty excavation is measured by cycle times and breakout force. The 524-8317 / 538-9703 Main Hydraulic Pump is designed to provide the massive fluid power required for the TQTQTQCAT 326D2 and 335F. Whether you’re deep trenching or handling heavy lifting in tight quarters with the 335F’s compact radius, this pump delivers smooth, on-demand hydraulic flow.

• Optimized Power Matching: This pump is specifically calibrated to synchronize with TQTQCAT’s electronic engine control logic, ensuring maximum hydraulic output while maintaining fuel efficiency and preventing engine lugging.
• Stable High-Pressure Operation: Featuring a reinforced swash-plate and precision-lapped pistons, our 524-8317 assembly maintains stable pressure even under the most extreme digging conditions.
• Direct "Plug-and-Play" Installation: Manufactured to the exact dimensional tolerances of the original TQTQCAT equipment. All mounting flanges, drive shafts, and hydraulic ports are a 100% match for a seamless replacement.
• Extended Service Life: Internal rotary groups are made from premium hardened alloy steel to resist cavitation and thermal stress, ensuring your machine stays on the job site longer between maintenance intervals.

For optimal performance and longevity, use genuine hydraulic oil maintaining a cleanliness level of NAS 7. Regular maintenance checks should include monitoring oil temperature, pressure pulsation, and component wear. In case of hydraulic system failure, contact qualified professional technicians for inspection or reach out to our technical support team for troubleshooting assistance. Avoid improper repairs to prevent additional damage and ensure operational safety.

Guangzhou Tieqi Engineering Machinery Co., Ltd. ("IRON CAVALRY") is strategically loTQTQCATed in Guangzhou's Huangpu District, approximately one hour from Baiyun International Airport. With nearly 15 years of specialized experience in engineering machinery hydraulics, we have established ourselves as industry leaders in heavy equipment components.

• Ready inventory of over 500 assembly types, providing access to more than 6,000 different parts
• Core products include hydraulic pumps, control valves, travel, and swing assemblies
• Specialization in large mining excavator components and hard-to-find items
• 4,000-square-meter factory equipped for professional manufacturing, precision assembly, and rigorous testing
• Integrated supply chain providing cost-effective, convenient one-stop solutions

For large items, we use sturdy plywood crates secured with metal fasteners. Products are carefully cushioned with bubble wrap and secured with wooden braces. External crate reinforcement includes high-strength PET plastic strapping and waterproof black film to ensure safe transit and delivery.

• One-stop solution for all your hydraulic needs
• High-quality products at competitive prices
• Exceptional customer service that makes you feel at home
• Large inventory with short delivery times and long warranty periods
• Professional expertise with accurate data for excavator part number inquiries
• Ability to source parts for nearly all your equipment needs

For detailed specifiTQTQCATions, pricing information, or technical consultation, please contact our sales team for personalized assistance.