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In the circuit system of the XE2000 large mining excavator, the connector is a key component for achieving electrical connections between various modules of the equipment. Its performance directly affects the overall machine’s control response and operational safety. The XCMG original connector (part number: 803189850) is specifically developed for this model, offering precise connection technology, strong environmental adaptability, and original factory compatibility, providing a solid guarantee for the stable operation of the circuit system under high-intensity mining operations.
The intelligent control system of the XE2000 excavator has extremely high requirements for the stability of electrical signal transmission. Any poor contact can lead to delayed equipment response or functional failure. This connector adopts a multi-contact precision layout design, with contacts made of high-conductivity beryllium copper. After gold plating, the contact resistance is ≤2mΩ, ensuring low-loss transmission of current and signals. The contact elastic structure has been optimized through tens of thousands of insertion and removal tests, and with a tolerance of 0.03mm, it maintains continuous and stable contact even under high-frequency vibration conditions, effectively avoiding signal interruption and current fluctuations. Whether it’s engine parameter feedback, hydraulic valve group control, or control panel command transmission, it achieves precise and efficient electrical connections, ensuring an overall machine control response speed improvement of over 12%.
In mining operations, harsh factors such as dust, oil, and moisture constantly threaten the safety of electrical connections. The 803189850 plug adopts an integrated sealed structure design. The shell is made of impact-resistant PA66+GF30 engineering plastic with a tensile strength of 85MPa and UL94 V0 flame retardant certification. The interface is equipped with double fluororubber sealing rings and a metal locking nut, achieving an IP67 protection rating, completely resisting high-pressure water spray, oil immersion, and dust intrusion. Verified through extreme environment testing, it exhibits stable performance within a temperature range of -40℃ to 120℃, shows no rust after 480 hours of salt spray testing, and boasts a 60% longer service life than ordinary plugs in humid and dusty mining environments, significantly reducing the risk of circuit failures caused by environmental corrosion.
As a core component of the XE2000 excavator, this plug’s electrical parameters and mechanical dimensions have been precisely calibrated by the original manufacturer. Designed for the machine’s 12V/24V mixed circuit system, its rated current reaches 15A, and its insulation resistance is ≥1000MΩ, perfectly matching the connection requirements of key electrical components such as sensors, controllers, and actuators. The plug pin definitions and layout strictly adhere to the original factory circuit design specifications, with a fitting error between the mounting positioning hole and the equipment interface ≤0.05mm, allowing for quick assembly without additional adjustments. Compatibility testing with the entire machine’s circuit system completely avoids signal interference and component damage caused by parameter mismatches, ensuring efficient and coordinated operation of the circuit system.
XCMG implements full-process quality control for the 803189850 connector, requiring 18 professional tests from raw material procurement to finished product delivery. Each batch of products undergoes vibration testing (10-2000Hz), impact testing (1000G acceleration), and high and low temperature cycling testing (-40℃ to 85℃) to ensure structural stability and electrical performance under extreme working conditions. The product complies with IEC 61984 electrical connector standards and mining equipment safety specifications, featuring built-in anti-misconnection design and overcurrent protection to effectively prevent short circuits caused by incorrect connections, providing multiple layers of protection for operator and equipment safety.
The XCMG XE2000 excavator connector (part number 803189850) – ensuring smooth signal transmission with high-precision contacts, resisting environmental challenges with comprehensive protection, and ensuring system compatibility with original equipment manufacturer (OEM) fittings, is an indispensable and reliable core for the circuit connections of large mining excavators.

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3 805140490 4 SCREW M20×70 GB/T70.1-2008
4 803172014 6 CONNECTOR
5 803105353 2 CONNECTOR
6 804414170 1 HOSE ASS’Y
7 803170872 1 HOSE ASS’Y
8 803413396 2 CONNECTOR
9 803012821 2 CONNECTOR
10 318811022 2 TRANSIT JOINT
11 803402034 1 CONNECTOR
12 803172186 2 PLUG
13 803189850 1 PLUG
14 803101926 1 HOSE ASS’Y
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16 803103351 1 CONNECTOR
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