318307321 oil suction hose XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Suction Hose (Part No. 318307321): A High-Efficiency Suction Channel for Hydraulic Systems

In the hydraulic systems of large mining excavators, the suction hose is the “power source” connecting the oil tank and the hydraulic pump, ensuring efficient hydraulic oil intake. XCMG’s specially developed suction hose (part no. 318307321) for the XE2000 excavator, with its negative pressure-resistant material and optimized structural design, has become a core component for stable oil supply in heavy-duty operations, providing a reliable suction solution for engineering teams worldwide.

Negative Pressure-Resistant Composite Material, Solid Foundation for Suction

The XCMG XE2000 suction hose (part no. 318307321) adopts a multi-layer composite structure design. The inner tube is made of oil-resistant and negative pressure-resistant nitrile rubber, the reinforcing layer is made of high-strength synthetic fiber braided layer (2 layers of cross braiding), and the outer sheath is made of wear-resistant neoprene rubber. Authoritative testing shows that this hose has a rated working negative pressure of -0.08MPa and a burst pressure exceeding 3MPa, improving its negative pressure resistance by 40% compared to conventional oil suction hoses in the industry.

Through XCMG’s unique “layered vulcanization + precision crimping” process, the connection strength between the hose and the connector reaches 15kN, eliminating the risk of detachment under long-term negative pressure oil suction and vibration environments. Each hose undergoes four rigorous tests: negative pressure holding test (holding pressure at -0.08MPa for 2 hours without collapse), oil suction flow test (meeting a flow rate of 800L/min without throttling), oil aging resistance test (immersion in hydraulic oil for 1000 hours without performance degradation), and bending fatigue test (100,000 cycles without cracking). Actual test data shows that during 3000 hours of continuous heavy-duty operation, the hose maintains a 98% oil suction efficiency, and its service life is 150% longer than ordinary oil suction hoses.

Optimized Flow Channel Structure for Enhanced Oil Suction Efficiency

Addressing the high-flow oil suction requirements of the XE2000 excavator, the suction hose features a large-diameter, low-resistance design with an inner diameter of 50mm. Fluid simulation technology optimizes the curvature of the internal flow channel, reducing suction resistance by 25%. The hose’s inner wall undergoes an ultra-smooth treatment (roughness Ra1.2μm) to reduce frictional losses during hydraulic oil flow. Combined with a streamlined connector design, this effectively prevents eddy currents during suction.

The hose’s bending sections utilize a special forming process, achieving a minimum bending radius of 5 times the nominal diameter. This ensures unobstructed flow even in confined spaces, preventing flow attenuation caused by localized compression. Actual testing shows that this suction hose improves suction efficiency by 20% compared to traditional hoses, enhances hydraulic pump suction capacity by 15%, and effectively reduces the risk of pump cavitation.

Adaptable to all operating conditions, ensuring stable oil supply

This oil suction hose is specifically designed for the complex operating environment of the XE2000 excavator, maintaining stable performance within an extreme temperature range of -35℃ to 100℃. The inner tube rubber uses a low-temperature resistant formula, maintaining good flexibility even at -35℃ without the risk of hardening and cracking. The outer sheath is enriched with anti-wear additives, improving wear resistance by 30% compared to ordinary hoses, making it less prone to damage during equipment vibration and friction. Its surface features a “UV-resistant coating + wear-resistant texture” design, preventing aging and cracking during long-term outdoor use, and achieving ozone resistance for 1000 hours without cracking. Actual engineering application data shows that XE2000 excavators equipped with this hose experience an 85% reduction in hydraulic pump insufficient oil suction failure rate, a 20-decibel reduction in system noise caused by oil suction issues, and a significant improvement in equipment operational stability.

Original Factory Precise Fit, Enhanced System Efficiency

As a core original hydraulic component from XCMG, the 318307321 suction hose achieves 100% precise matching with the XE2000 excavator’s oil tank outlet and hydraulic pump inlet dimensions, perfectly aligning with the overall hydraulic system’s flow requirements and layout design. The hose length has been optimized through three-dimensional layout, preventing excessive stretching or twisting during equipment operation and reducing dynamic stress by 30%.

The installation process adopts a “plug-and-play” design, equipped with original factory quick-connect couplings and dedicated clamps, improving installation efficiency by 60% compared to traditional suction hoses. Data shows that using the original factory suction hose can extend the lifespan of the XE2000 excavator’s hydraulic pump by 70%, reduce system energy loss by 8%, and improve overall equipment operating efficiency by 5%. Choosing the XCMG XE2000 suction hose (part number 318307321) means selecting a suction system for your heavy equipment that has been proven under extreme working conditions. This ensures that the high-pressure hydraulic system maintains a highly efficient and stable oil supply during high-intensity operations, creating greater economic benefits and equipment reliability for your project.

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318307325 pump oil suction pipeline

1 329900304 36 THICKENED FLAT WASHER
2 805047646 18 BOLT M16×45 GB/T5782-2000
3 329900303 16 THICKENED FLAT WASHER
4 805011131 18 BOLT M16×50 GB/T5782-2000
5 805049511 16 BOLT M12×45 GB/T5782-2000
6 800161669 12 HOSE CLAMP
7 800161637 8 HOSE CLAMP
8 318307470 1 COOLING PUMP GEAR PIMP MOUNTING
9 318307317 1 STEEL PIPE ASSEMBLY
10 318307310 3 STEEL PIPE ASSEMBLY
11 318307321 3 OIL SUCTION HOSE
12 318307320 3 STEEL PIPE ASSEMBLY
13 318307316 1 STEEL PIPE ASSEMBLY
14 318307318 1 STEEL PIPE ASSEMBLY
15 318307315 1 STEEL PIPE ASSEMBLY
16 318307323 2 STEEL PIPE ASSEMBLY
17 318307313 2 OIL SUCTION HOSE
18 318307312 2 STEEL PIPE ASSEMBLY
19 801134077 9 ORING 85×3.55 GB/T3452.1-2005
20 803174967 1 ORING 40×3.55 GB/T3452.1-2005
21 803192098 4 ORING 60×3.55 GB/T3452.1-2005
22 805139896 12 SCREW M16×50 GB/T70.1-2008
23 805139869 8 SCREW M12×35 GB/T70.1-2008
24 318307311 1 STEEL PIPE ASSEMBLY
25 801102881 1 ORING 42.5×3.55 GB/T3452.1-2005
26 318307467 1 MAIN PUMP I MOUNTING
27 318307469 1 MAIN PUMP II MOUNTING
28 318307468 1 MAIN PUMP III MOUNTING