XCMG Quick Connector OEM 800172468 – Fast High-Pressure Hydraulic Coupling for Articulated Dump Trucks
Quick Connector
Быстроразъемное соединение
Conector rápido
The XCMG Quick Connector 800172468 is a precision high-pressure coupling used to rapidly connect and disconnect hydraulic hoses in the load-sensing steering, brake, and dump circuits of XCMG articulated dump trucks (ADTs)[reference:0]. This genuine XCMG 800172468 quick connector features a double shut-off valve design that prevents fluid spillage during coupling and uncoupling, even under residual pressures up to 200 bar. XCMG XDA30, XDA40, XDA45, XDA45U, and TA30 ADTs depend on 800172468 for rapid serviceability, reduced downtime during hose replacement, and safe, tool-free operation in the harsh environments of open-pit mines and large-scale earthmoving projects.
IATF 16949:2023, ISO 9001:2025, ISO 7241‑1[reference:6]
Critical Role of the 800172468 Quick Connector in ADT Hydraulic Systems
The XCMG XDA45U articulated dump truck is powered by a Mercedes‑Benz OM460LA six‑cylinder diesel engine delivering 360 kW (483 hp) at 1,900 rpm and 2,300 N·m of torque at 1,300 rpm. Its pump‑controlled hydraulic system and load‑sensitive steering system operate at working pressures of up to 35 MPa[reference:7]. Throughout the hydraulic circuits—including the large‑flow dump system, steering cylinders, and hydraulic retarder—the quick connector 800172468 is used at critical service points. This allows field technicians to isolate and replace a damaged hose section without draining the entire hydraulic reservoir, dramatically reducing repair time and oil waste. The quick connector 800172468 supports the XDA45U’s uptime rate exceeding 92%, which is significantly higher than the industry average[reference:8].
The XCMG XDA40 articulated dump truck, which carries a 39,000 kg payload, is powered by a Mercedes‑Benz OM502 V8 diesel engine producing 350 kW (475 hp) at 1,800 rpm and 2,300 N·m of torque at 1,300 rpm. The quick connector 800172468 complies with ISO 7241‑1 Series A interchangeability standards, ensuring compatibility with globally sourced hydraulic hoses and auxiliary equipment[reference:9]. In the XDA40’s 6×6 drive and large‑flow hydraulic dump system[reference:10], the quick connector 800172468 also serves as a connection point for diagnostic equipment, allowing technicians to connect pressure gauges without permanently modifying the hydraulic system, enhancing diagnostic speed and accuracy.
The XCMG XDA30 articulated dump truck is powered by a Yuchai YC6K engine rated at 290 kW (389 hp) at 2,100 rpm, with maximum torque of 1,900 N·m at 1,100‑1,400 rpm. In the YC6K engine platform, the quick connector 800172468 is dimensionally identical to the Mercedes‑Benz platforms, simplifying parts inventory management for fleets operating multiple ADT models. The Weichai WP13 engine platform, used in certain ADT configurations, also utilizes the same quick connector with threads sized M18×1.5 and M22×1.5[reference:11]. In all these platforms, the quick connector 800172468 is proven to operate reliably across the full temperature range of -25°C to +40°C without seal degradation or connection leakage.
Advanced Design and Manufacturing of OEM 800172468
The quick connector 800172468 is manufactured from forged carbon steel with a zinc‑nickel anti‑corrosion layer that meets or exceeds 500 hours of salt spray resistance per ASTM B117[reference:12]. The body is heat‑treated to achieve a tensile strength of 600 MPa and a surface hardness of 55‑60 HRC on the locking balls and valve seat areas. Each batch of quick connectors 800172468 is 100% leak‑tested at 1.5× the maximum working pressure using a hydrostatic test stand; any fitting that shows signs of leakage or deformation is immediately rejected[reference:13]. The double shut‑off valves are precision‑lapped to achieve a metal‑to‑metal seal with zero internal leakage, eliminating the need for elastomer valve seals that can fail under high‑pressure cycling.
The XCMG XDA45U is designed for use in mining, quarry, water conservation, harbour, brown field and construction sites[reference:14]. The quick connector 800172468 is sealed with NBR (nitrile) O‑rings as standard, providing compatibility with mineral oil and hydraulic fluids (ISO VG 46/68). For applications involving high‑temperature environments exceeding 100 °C, XCMG offers FKM (Viton®) seal variants that maintain flexibility up to 160 °C and resist degradation from aggressive hydraulic additives[reference:15]. The color‑coded seal rings (black for NBR, green for FKM) allow instant visual verification of seal compatibility during emergency hose replacement in dusty field conditions.
Field Performance of 800172468 vs. Aftermarket Connectors
XCMG field data from XDA40 and XDA45U ADT fleets operating in Australian iron ore mines and Chilean copper mines demonstrates that the genuine quick connector 800172468 typically exceeds 12,000 service hours before any O‑ring replacement is required. Aftermarket quick connectors often fail prematurely due to several factors: using inferior seal materials that harden in as few as 2,000 hours, inadequate case hardening of locking balls leading to premature wear and connection failure, and insufficient burst pressure margins that can lead to catastrophic hydraulic oil release. In one documented incident, an aftermarket quick connector on an XDA45U articulated dump truck failed at 1,800 hours, causing a complete hydraulic oil loss from the steering circuit at highway speed, leading to a loss‑of‑steering incident and collateral damage.
The genuine quick connector 800172468 is designed to withstand repeated connection cycles without degradation. A sample from each production batch is subjected to 5,000 connection‑disconnection cycles under pressure, verifying that the locking mechanism retains its positive engagement force and the O‑rings maintain their sealing integrity. By contrast, aftermarket connectors often exhibit loose locking balls after only 500 cycles, leading to accidental disconnections under vibration, a dangerous condition in heavy mining equipment. The audible “click” of the genuine XCMG quick connector 800172468 provides positive feedback to the technician that the connection is fully locked, eliminating the guesswork that can lead to insecure connections and subsequent disengagement.
Correct Installation and Maintenance of the 800172468 Quick Connector
Installing the quick connector 800172468 correctly ensures leak‑free operation and maximum service life. Before installation, inspect both the male and female halves for any damage to the locking balls, the dust cap, or the seal surfaces. Apply a thin film of clean hydraulic oil to the seal and the mating surfaces to prevent dry assembly. To connect, pull back the outer sleeve on the female half and insert the male half fully into the female half. Release the sleeve; it should snap forward audibly, confirming that the male half’s locking groove is properly engaged with the locking balls. To disconnect, pull back the sleeve firmly, allowing the male half to be withdrawn; if the system is pressurized, the double shut‑off valves will close instantly, preventing oil spillage. Never hammer or use tools to force a connection, as this can damage the locking mechanism.
Regular inspection of the quick connector 800172468 should be part of every scheduled maintenance. Look for any sign of oil weeping from the connection point, which indicates a worn seal. Check for damage to the outer sleeve or the dust cap; a damaged sleeve may not fully lock or may unlock under vibration. Inspect the locking balls for wear by attempting to pull the connector apart after connection; if it separates without pulling back the sleeve, the locking balls are worn, and the connector must be replaced immediately. XCMG recommends replacing the quick connector O‑rings every 2,000 operating hours or whenever the connector is disconnected for service. Use only genuine XCMG seal kits for the quick connector 800172468; aftermarket O‑rings may have the wrong cross‑sectional diameter, leading to improper sealing and premature leakage[reference:16].
For the XCMG XDA30 articulated dump truck and other ADTs operating in extremely dusty environments, it is good practice to use the included dust caps on both halves whenever the quick connector 800172468 is disconnected. Even brief exposure to airborne silica dust can contaminate the seal surfaces, leading to microscopic scratches that will cause slow weeping over time. After cleaning, store the connector halves in a sealed bag or the original packaging until reuse.
Compatibility Across XCMG ADT Range and Global Availability
The quick connector 800172468 is compatible with all current XCMG articulated dump trucks, including the XDA30 (30‑ton payload, Yuchai YC6K engine), XDA40 (39‑ton payload, OM502 V8), XDA45 (45‑ton payload), XDA45U (41‑ton payload, OM460LA inline‑6), TA30 (30‑ton payload), and XDA60 (60‑ton payload)[reference:17]. The XDA40 ADT adopts XCMG proprietary real‑time six‑wheel drive technology and stability control technology for large‑flow hydraulic dump systems[reference:18], and the quick connector is used in multiple service points throughout the brake circuit, steering system, and hoist cylinder connections. For the Weichai WP13 engine platform, the quick connector 800172468 is dimensionally compatible with M18×1.5 thread specifications[reference:19].
XCMG’s manufacturing facility for the quick connector 800172468 is certified to IATF 16949:2023 and ISO 9001:2025. The quick connector is stocked in regional distribution centers in the United States (Houston), Netherlands (Rotterdam), South Africa (Johannesburg), Australia (Perth), and China (Xuzhou). Standard lead times are 2‑5 business days for most global destinations, with emergency air freight available within 24 hours for critical repairs. Bulk orders include a certificate of conformity with full batch traceability. Use the inquiry button above to request a quote or place an order for genuine XCMG quick connector 800172468.
XCMG and the XCMG logo are registered trademarks of Xuzhou Construction Machinery Group Co., Ltd.
OEM part number 800172468 is an original manufacturer reference for a genuine XCMG quick connector. All specifications are derived from XCMG engineering standards and field validation data.
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