

The main framework of the XCMG Truck Crane 4th Section provides ultimate strength and stability for maximum reach operations in heavy-duty lifting applications.
Specialized lubrication points designed for easy maintenance access, ensuring proper greasing of all critical moving components.
Precision-engineered sliding components ensure smooth telescopic movement between boom sections, reducing friction and extending service life.
Protective mats and spacers distribute pressure evenly and prevent metal-to-metal contact, enhancing component longevity.
High-strength pin shafts provide secure connections between critical components, manufactured to exact tolerances for reliable performance.
Medium-duty screws with protective coating, providing reliable fastening in various assembly points throughout the boom structure.
Standard washers for M8 fasteners, ensuring even load distribution and preventing fastener loosening under vibration.
Smaller nuts designed for M8 threaded fasteners, providing secure connections in various secondary applications.
Structural plates that reinforce critical areas and provide mounting surfaces for additional components and accessories.
Specialized thin plates designed for specific applications within the boom assembly, providing targeted reinforcement.
General purpose bolts used in various structural connections throughout the boom assembly for reliable fastening.
Heavy-duty nuts with protective coating for M16 fasteners, ensuring secure structural connections in high-stress areas.
Support blocks that provide additional structural reinforcement at critical stress points and load-bearing areas.
Specifically dimensioned pin shafts for critical connection points, designed for heavy load applications and precise fitment.
Smaller shear pins used for secondary retention and alignment applications within the boom assembly structure.
Precision-machined shafts that provide rotational support and alignment for various mechanical components.
Spacing components that maintain proper distance between parts and prevent unwanted contact or interference.
Pulley assemblies designed for smooth cable movement and optimal load distribution during lifting operations.
Specialized shafts designed to retain and position critical components within the boom assembly structure.
Medium-duty bolts with specific length requirements for various assembly applications within the boom structure.
Larger washers designed for M12 fasteners, providing increased load distribution in high-stress structural areas.
Secure retaining plates that prevent axial movement of shafts and pins, ensuring component stability and alignment.
Specialized gaskets that provide sealing and spacing functions in specific boom assembly applications and connections.
Protective sleeves that reduce wear on moving parts and maintain proper alignment between connected components.
Protective rings that shield components from environmental contaminants and provide additional structural support.
XCMG Truck Crane 4th Section
| No. | Code No. | Parts name |
|---|---|---|
| 1 | QYSK, 02Ⅱ.4.1 | 4th section structure |
| 2 | 1081000 | Oil cup M10×1 |
| 3 | QYSK, 02Ⅱ.4-17 | Slider |
| 4 | QYSK, 02Ⅱ.3-5 | Mat |
| 5 | QYSK, 02Ⅱ.3-6 | Mat |
| 6 | QYSK, 02Ⅱ.2-8 | Pin shaft |
| 7 | 10120079 | Screw M8×25 |
| 8 | 1040001 | Washer 8 |
| 9 | 1040001 | Nut M8 |
| 10 | 10410131 | Washer 8 |
| 11 | QYSK, 02Ⅱ.3-2 | Plate |
| 12 | QYSK, 02Ⅱ.3-3 | Sleak |
| 13 | QYSK, 02Ⅱ.1-6 | Bolt |
| 14 | 1043078 | Nut M16 |
| 15 | QYSK, 02Ⅱ.1-7 | Support |
| 16 | 10470107 | Pin B15×80 |
| 17 | 10470007 | Pin 4×30 |
| 18 | QYSK, 02Ⅱ.3-2 | Slider |
| 19 | QYSK, 02Ⅱ.4-6 | Shaft |
| 20 | QYSK, 02Ⅱ.4-8 | Sieve |
| 21 | QYSK, 02Ⅱ.4.7 | Pulley |
| 22 | QYSK, 02Ⅱ.4-8 | Retaining shaft |
| 23 | 10410010 | Bolt M8×25 |
| 24 | 1046001 | Washer 8 |
| 25 | 10420018 | Bolt M12×30 |
| 26 | 1044010 | Washer 12 |
| 27 | QYSK, 02Ⅱ.3-24 | Retaining Plate |
| 28 | QYSK, 02Ⅱ.4-9 | Mat |
| 29 | QY65K.02Ⅱ.4-10 | Mat |
| 30 | QY65K.02Ⅱ.4-11 | Gasket |
| 31 | QY65K.02Ⅱ.4-12A | Slider |
| 32 | QY65K.02Ⅱ.4-13A | Slider |
| 33 | QY65K.02Ⅱ.4-14 | Gasket |
| 34 | QY65K.02Ⅱ.4-15 | Slider |
| 35 | QY65K.02Ⅱ.4-16 | Slider |
| 36 | 10420110 | Screw M8×20 |
| 37 | QY65K.02Ⅱ.4-18 | Slider |
| 38 | QY65K.02Ⅱ.4-19 | Mat |
| 39 | QY65K.02Ⅱ.4-20 | Mat |
| 40 | QY65K.02Ⅱ.4-4 | Slider |
| 41 | QY25K.02Ⅱ.2-17 | Mat |
| 42 | QY25K.02Ⅱ.2-18 | Mat |
| 43 | QY65K.02Ⅱ.4-3 | Sleeve |
| 44 | QY65K.02Ⅱ.4-2 | Shaft |
| 45 | QY50K.02Ⅱ.4.2 | Pulley |
| 46 | 10450016 | Shield ring 40 |
Manufactured with premium materials and precision engineering, ensuring exceptional durability and performance in the most demanding lifting conditions.
Each component is meticulously designed and manufactured to exact specifications, guaranteeing perfect fitment and optimal functionality in extended reach operations.
Rigorous quality control and testing procedures ensure reliable operation under maximum loads, contributing to overall equipment safety and reduced downtime.
Engineered for smooth telescopic operation, reduced vibration, and maximum load capacity, resulting in enhanced efficiency and extended service life.
The XCMG Truck Crane 4th Section represents the ultimate in crane boom technology, designed specifically for heavy-duty lifting applications requiring maximum reach and load capacity. This critical component ensures reliable performance through precision manufacturing and superior materials engineering.
Engineered with multiple slider components, reinforced structural elements, precision pin connections, and advanced pulley systems, the 4th section provides smooth telescopic movement while maintaining structural integrity under maximum load conditions. Each component undergoes stringent quality checks to guarantee dimensional accuracy and material integrity.
Compatible with various XCMG crane models, this section features corrosion-resistant fasteners, optimized weight distribution, enhanced wear protection, and advanced lubrication systems for extended service life in the most challenging working environments.
Essential for XCMG heavy-duty mobile cranes, providing maximum reach and lifting capacity for large-scale construction and industrial applications.
Ideal for large-scale construction projects, high-rise building, and major infrastructure development requiring maximum boom extension.
Suitable for industrial maintenance, equipment installation, and factory servicing tasks requiring reliable maximum-reach lifting capabilities.
Regular inspection of the XCMG Truck Crane 4th Section is essential for optimal performance and safety. Check slider components for wear, ensure proper lubrication of all moving parts through the oil cups, and verify fastener tightness according to recommended maintenance schedules and load conditions.
Always use genuine XCMG replacement parts to maintain compatibility and performance standards. Follow manufacturer guidelines for installation, periodic maintenance, and inspection intervals to ensure long-term reliability and operational safety during maximum reach operations.
Keep the boom section clean from debris and contaminants that could affect operation. Schedule routine maintenance based on operational hours, load conditions, and environmental factors to prevent premature wear and ensure continued safe operation under all working conditions.