800168981 check nut XCMG XE2000 excavator spare parts

XCMG XE2000 excavator locking nut (part number 800168981): powerful locking mechanism to ensure component stability.

As a key fastening component for the transmission system and hydraulic components of the XCMG XE2000 excavator, the locking nut with part number 800168981 has the core function of preventing components from loosening under high-frequency vibration and heavy-load operation. It is suitable for core connection parts such as bearing seats and gearboxes. It is a “key lock” that ensures the reliability of equipment component connections and avoids safety hazards in high-intensity scenarios such as mining and infrastructure construction.

Original factory precise fit, seamless installation

Manufactured strictly according to the original design standards of XCMG XE2000 excavators, the thread precision reaches 6H grade. The outer diameter and thickness dimensions perfectly match the component mounting position, with a fit error of ≤0.03mm. After installation, it tightly meshes with the connecting parts, with no play or misalignment. A case study of the transmission system maintenance of an XE2000 fleet shows that after replacing the universal nut with this original factory locking nut, the failure rate of loose components decreased by 90%, and continuous operation could be resumed without secondary tightening, improving maintenance efficiency by 60%.

High-strength material, vibration resistant and durable

Made of 40Cr alloy steel through quenching and tempering heat treatment, it boasts a tensile strength exceeding 900MPa and a yield strength exceeding 700MPa, capable of withstanding high-frequency vibrations (amplitude ≤2mm) and instantaneous impact loads (≤50kN) during excavation operations. The surface is treated with Dacromet for rust prevention, and it has passed over 500 hours of salt spray testing, resisting corrosion from rain, dust, and oil. Its performance remains stable within a temperature range of -35℃ to 70℃. Actual test data shows that its service life is 3.5 times that of ordinary locking nuts, and it can be stably used for over 30 months under an average of 12 hours of high-intensity operation per day, reducing downtime losses caused by frequent replacements.

Strong anti-loosening effect, safe and reliable

The innovative design employs a “serrated anti-loosening structure + optimized preload torque design.” The serrated thread increases friction with the connecting parts, and combined with precise preload torque (50-80 N·m for XE2000 components), it effectively prevents the nut from loosening due to vibration. In a coal mine project in Shanxi, an XE2000 excavator equipped with this locking nut operated continuously for 24 months without any signs of loosening at the bearing housing connection, avoiding equipment damage and safety accidents caused by component detachment, and reducing unexpected maintenance costs by over 30,000 yuan annually.

Easy to install, cost-effective

No special anti-loosening tools are required; a standard torque wrench can be used for precise installation. The nut surface is clearly marked with the part number, specifications, and recommended preload torque, facilitating quick identification and standardized operation by maintenance personnel, reducing the risk of incorrect or missing parts. From a long-term cost perspective, its high durability and low failure rate can reduce nut procurement and replacement expenses for the XE2000 fleet by 40%, with even more significant cost advantages when deployed in large fleets.

Select core advantages

Original factory quality: XCMG standardized production, meeting the stringent requirements for equipment component connections;
Precise fit: Dedicated to XE2000 core components, seamless connection to prevent loosening;
Robust and durable: High-strength alloy + rust-proof treatment, suitable for harsh working conditions;
Safety and anti-loosening design: Professional anti-loosening structure to avoid the risk of parts falling off;
Economical and practical: easy to install, long lifespan, and reduced overall operation and maintenance costs.

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800169253 fan drive XCMG XE2000 excavator spare parts

1 805300217 LOCKNUT
2 800138361 LOCKINGPLATE
3 800168902 BOLT
4 860149534 HOOP
5 860149603 MOUNTINGGASKET
6 800169185 NUT
7 800169174 CONTROLLEVER
8 800169161 CONTROLRODEND
9 800169088 CONTROLRODEND
10 800169015 NUT
11 800169170 BOLT
12 860149604 MAT
13 800168917 BOLT
14 800169023 ORING
15 800169065 MAT
16 800169171 FANHUB
17 800169095 OILSEAL
18 800168882 ROLLERBEARING
19 800168981 CHECKNUT
20 800169176 BEARINGSPACER
21 800169019 LOCATINGRING
22 800169052 FANCENTERSHAFT
23 800169296 FANPULLEY
24 800169090 BEARINGSPACER