318600877 u-bolt XCMG XE2000 excavator spare parts

XCMG XE2000 U-bolts (Part No. 318600877): The core of stable fastening for heavy components

In critical components of the XCMG XE2000 excavator, such as the chassis suspension, hydraulic lines, and water tank mounting, high-strength fasteners are essential to withstand high-frequency vibrations and impacts during operation. U-bolts, as load-bearing connectors, directly determine the stability of component installation and the safety of equipment operation through their fastening reliability. XCMG’s original U-bolts (part number 318600877) are custom-made for the XE2000 model, using high-strength materials and precision machining to provide durable and stable fastening for heavy-duty components.

These U-bolts are made from high-strength 40Cr alloy structural steel and processed through quenching and tempering heat treatment (quenching + high-temperature tempering). They boast a tensile strength exceeding 800MPa and a yield strength exceeding 650MPa, easily bearing the long-term loads of the XE2000 chassis suspension and heavy piping. Compared to ordinary carbon steel bolts, 40Cr alloy steel offers superior fatigue resistance, effectively preventing bolt breakage due to fatigue stress in the frequently bumpy and vibrating operating environment of excavators, significantly reducing the risk of component loosening.

In terms of structural design and machining precision, the U-bolt with part number 318600877 is manufactured in strict accordance with XCMG’s original drawings: the radius of curvature of the arc segment is completely matched with the outer diameter of the corresponding fixed part (such as steel pipe, shaft part) of XE2000, ensuring that the contact area reaches more than 95% and avoiding local stress concentration; the thread part is processed by rolling process, with thread precision reaching 6g level, high tooth profile integrity, tight engagement with nut, and excellent anti-loosening performance after tightening. Even under high-intensity operation vibration, it can maintain stable preload and prevent component displacement caused by bolt loosening.

In terms of surface treatment, this U-bolt adopts a dual protection of hot-dip galvanizing and passivation: the hot-dip galvanized layer is 60-80μm thick, which can effectively isolate air, moisture and corrosive media. The salt spray test duration exceeds 500 hours, and it can resist rust for a long time in the harsh environment of mines with high dust and rain and fog. The passivation treatment further improves the adhesion of the galvanized layer, avoids the zinc layer from falling off due to bumps during operation, and extends the service life of the bolt by more than 3 times.

In terms of compatibility, the length, hole diameter, bolt spacing, and other parameters of the U-bolt with part number 318600877 are perfectly matched with the mounting brackets and fixing points of the XE2000 excavator. It can be directly assembled without modifying the installation structure, and is suitable for key components such as chassis shock absorber fixing, hydraulic main pipeline clamp connections, and water tank bracket fastening. No additional dimensional adjustments are required during installation; a single person using standard tools can complete the tightening operation. Installation efficiency is 40% higher than non-original bolts, significantly reducing equipment maintenance time.

Whether bearing heavy loads on the chassis or securing high-pressure hydraulic lines, XCMG XE2000 U-bolts (part number 318600877) provide excellent strength and stability, ensuring the safe operation of components, helping engineering teams reduce downtime caused by fastener failure, and guaranteeing efficient excavator operation.

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318302447 muffler system parts XCMG XE2000 excavator spare parts

10 318600878 REDCOPPERPADII
11 800158696 MUFFLER
12 318600877 U-BOLT
13 318307190 MUFFLERBRACKET
14 329900300 THICKENEDLARGE WASHER
15 805238374 NUTM16
16 329900298 THICKENED LARGE WASHER
17 801971593 RUBBERSLEEVEHOOP
18 329900301 THICKENEDFLAT WASHER
19 805046508 BOLTM8×20
20 800164343 ETHYLENEPIPE SFG-2-8×2×3600
21 800164343 ETHYLENEPIPE SFG-2-8×2×3600
22 805238372 NUTM12
23 805046555 BOLTM12×60
24 318305758 EXHAUSTSTEELPIPE
25 318305759 HEAT-INSULATING FOAM
26 800165561 EXHAUSTHOSE
27 805046533 BOLTM10×50
28 805239302 NUTM10
29 329900515 U-SHAPEDPIPE CLAMP
30 318303244 PAD
31 805238371 NUTM10
32 800163868 HOOP
33 318303242 SILICONE HOSE
34 318303241 SILICONE HOSE

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