803103799 connector XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Connector (Part No. 803103799): A Reliable Connection Hub for High-Pressure Hydraulic Systems

In the high-pressure hydraulic systems of large mining excavators, connectors are core components ensuring efficient pipeline connection and lossless hydraulic oil transmission. XCMG’s connector (part no. 803103799), specially developed for the XE2000 excavator, leverages high-strength materials and precision sealing technology to become a “key node” for the stable operation of the hydraulic system during heavy-duty operations, providing a safe and efficient connection solution for engineering teams worldwide.

Ultra-High Pressure Grade Materials and Processes, Solidifying the Connection Foundation

The XCMG XE2000 connector (part no. 803103799) is forged from high-strength alloy structural steel. Verified by authoritative testing institutions, its tensile strength reaches 750MPa, and its hardness is controlled between HB260-300, representing a 40% increase in strength compared to conventional connectors in the industry. Through XCMG’s proprietary “vacuum forging + graded quenching” process, the connector’s internal structure is dense and defect-free, with the hardness of key stress-bearing parts increased to HRC42-47, making it less prone to plastic deformation under high-frequency hydraulic impact. Each connector undergoes five rigorous tests: 50MPa ultra-high pressure water pressure test (40 minutes pressure holding without leakage), ultrasonic flaw detection, thread accuracy inspection (compliant with ISO 3H/4g standards), dynamic fatigue test (200,000 pressure cycles without cracks), and salt spray test (2500 hours without rust). Actual test data shows that the connector maintains a 99.5% connection reliability rate during 3500 hours of continuous heavy-duty operation, extending its service life by 180% compared to ordinary connectors.

Innovative sealing structure, zero leakage guarantee

Addressing the sealing requirements of the XE2000 excavator’s ultra-high pressure hydraulic system, the connector adopts a composite structure design of “metal hard seal + elastic buffer seal”. Featuring a built-in high-pressure resistant fluororubber sealing ring with a Shore hardness of 92±2, it can withstand extreme temperature changes from -45℃ to 150℃ and shows no aging or extrusion under long-term working pressure of 45MPa. The sealing ring and sealing groove employ a dual process of dovetail groove mechanical fixing and vulcanization bonding, achieving a bonding strength of 4MPa, completely solving the industry pain point of sealing ring detachment in traditional connectors.

The connector mating surface is machined with ultra-precision grinding, achieving a flatness error ≤0.005mm/m and a roughness of Ra0.4μm. Combined with the precise machining of the trapezoidal thread (cumulative pitch error ≤0.01mm), it achieves a rigid seal with uniform force distribution throughout the entire surface. Actual testing shows that this connector has a static leakage rate of zero and a dynamic leakage rate of less than 0.005L/min, improving sealing performance by 70% compared to traditional products.

Adaptable to Extreme Environments with Undiminished Performance

This connector is specifically designed for the multi-scenario operational needs of the XE2000 excavator, maintaining stable performance in extreme environments such as high-altitude mines at 6000 meters, -45°C extreme cold regions, 50°C high-temperature deserts, and high-humidity coastal construction sites. Its surface utilizes a composite anti-corrosion process of “nano-ceramic coating + PTFE sealing,” offering 6 times the corrosion resistance of ordinary chrome-plated connectors. It maintains structural integrity and operational flexibility even in acid, alkali, and salt spray environments.

Actual engineering application data shows that XE2000 excavators equipped with this connector experience a 95% reduction in hydraulic pipeline connection leakage failures and a 98% reduction in downtime due to connection problems. During continuous vibration crushing operations, the connector thread preload attenuation rate is less than 3%. Even after operations in quarries with excessive dust concentrations, it maintains smooth loading and unloading performance, ensuring reliable operation of the hydraulic system in various harsh environments.

Original Equipment Manufacturer (OEM) Deep Compatibility, Enhanced System Efficiency

As a core OEM connector from XCMG, the 803103799 connector achieves micron-level precision matching with the hydraulic lines of the XE2000 excavator in terms of size and pressure parameters, perfectly aligning with the flow requirements and layout design of the entire machine’s hydraulic system. The connector’s shape has been optimized for fluid dynamics, achieving minimal flow resistance within a limited space, improving hydraulic oil flow efficiency by 15%.

The installation process employs a “blind-plug quick-lock” design, combined with a guiding positioning structure and specialized tools, enabling installation and removal within 2 minutes, a 90% improvement in installation efficiency compared to traditional connectors. Data shows that using the OEM connector reduces energy loss in the XE2000 excavator’s hydraulic system by 12%, improves maintenance efficiency by 70%, and maintains an overall equipment uptime rate above 97%. Choosing the XCMG XE2000 original connector (part number 803103799) means selecting a connection safety barrier for your heavy equipment that has been proven under extreme working conditions. This ensures that the high-pressure hydraulic system maintains zero leakage and high-efficiency operation during high-intensity work, creating greater economic benefits and equipment reliability for your project.

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1 318307510 1 STEEL PIPE ASSEMBLY
2 318307508 1 STEEL PIPE ASSEMBLY
3 803100507 2 CONNECTOR
4 803174599 1 CONNECTOR
5 803103799 2 CONNECTOR
6 804414129 1 HOSE ASS’Y
7 803172340 2 CONNECTOR NON-STANDARD
8 803418757 1 CONNECTOR
9 803191635 1 CONNECTOR
10 803084051 1 HOSE ASS’Y
11 804414126 1 HOSE ASS’Y
12 803103525 3 CONNECTOR
13 803174615 1 CONNECTOR
14 804009895 1 CHECK VALVE
15 804414128 1 HOSE ASS’Y

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