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– Product Model: 330106479
– Product Name: Oil Circuit Assembly (XCMG Construction Machinery Specific)
– Material Specifications: The piping is made of high-strength alloy steel, equipped with patented quick-connect fittings, and the seals are made of oil-resistant and wear-resistant materials, compatible with XCMG original hydraulic system specifications.
– Structural components: Includes high-strength alloy piping, flange to quick-connect tee fittings, double-hinged adjustable fittings, multi-stage filtration structure, seals, and mounting brackets, forming a complete assembly.
The 330106479 hydraulic circuit assembly addresses the pain points of traditional hydraulic circuit assemblies, such as oil leakage, blockage, cumbersome connections, poor space adaptability, and inconvenient maintenance. It undertakes the core functions of fuel/hydraulic oil delivery, filtration, and sealing in hydraulic systems. This product is cold-drawn and precision-machined, and features a flange-to-quick-connect tee combination joint and a double-hinged adjustable joint, simplifying the connection process, improving space utilization, and reducing the risk of oil leakage. It integrates a multi-stage filter structure and multi-layer oil-resistant seals, effectively filtering impurities and preventing mud intrusion. Suitable for environments from -30℃ to 100℃, it is corrosion-resistant, vibration-resistant, and fatigue-resistant. Real-world testing has shown low oil delivery resistance and excellent sealing performance. The original factory precise interface ensures easy installation, guaranteeing efficient and stable operation of the hydraulic system and reducing maintenance costs.
– Product Model: 330106479
– Product Name: Oil Circuit Assembly (XCMG Construction Machinery Specific)
– Material Specifications: The piping is made of high-strength alloy steel, equipped with patented quick-connect fittings, and the seals are made of oil-resistant and wear-resistant materials, compatible with XCMG original hydraulic system specifications.
– Structural components: Includes high-strength alloy piping, flange to quick-connect tee fittings, double-hinged adjustable fittings, multi-stage filtration structure, seals, and mounting brackets, forming a complete assembly.
– Compatible models/scenarios: XCMG loaders, cranes, excavators (such as ZL30G, ZL50G, etc.), and complex working conditions with high dust and oil content, such as mines and construction sites (compatibility can be found by searching).
– Core performance: Smooth oil delivery, tight sealing, thorough impurity filtration, corrosion and vibration resistance, suitable for installation in confined spaces, ensuring stable power transmission in the hydraulic system.
– Temperature range: -30℃~100℃, suitable for extreme environments, no pipeline deformation, no leakage, and stable oil transportation function.
– Structural features: Modular integrated design, incorporating XCMG’s patented quick-connect and articulated connector technology, multi-stage filtration protection, strong space adaptability, and easy installation and maintenance.
– Installation method: Precise alignment with original factory interfaces, bolt/clamp fixation, quick-connect, no modification required, can directly replace the original factory fuel system assembly.
– Service life: ≥6000 hours under normal operating conditions; corrosion-resistant, wear-resistant, fatigue-resistant; low failure rate, reducing the frequency of hydraulic system maintenance.
– Core advantages: Original factory specifications, patented technology, leak-proof seal, high-efficiency filtration, strong space adaptability, easy installation, direct replacement, reducing maintenance costs.
We specialize in supplying genuine XCMG parts. Our 330106479 hydraulic circuit components address various pain points of traditional hydraulic circuits, ensuring a clean and stable hydraulic system, improving equipment uptime, and providing adaptation guidance and comprehensive after-sales support.

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4 805046525 Bolts
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6 805006423 Bolt
7 801970408 Damper
8 330106738 Base Plate
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10 805238397 Nuts
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12 805006287 Bolt
13 805338270 Washing Machine
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15 805238372 Nut
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17 330101045 Bolt
18 330106481 Protective plate
19 805006286 Bolt
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21 805338289 Washing Machine
22 805238375 Nut
23 330106477 Cooling pipe assembly
24 800151130 Engine
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26 330103542 Fuel Tank
27 330106848 Suspension System
28 330106479 Oil circuit components
*For other spare parts procurement needs, please contact us!