ZBS-6.3 Ton Hydraulic Knuckle Boom Crane for Truck Mounted Lifting
6.3 Ton Knuckle Boom Crane
This 6.3 ton knuckle boom crane features high-strength steel construction, alloy load pins, and reliable hydraulic sealing for enhanced durability. With an integrated boom structure and 360° continuous rotation, it delivers stable lifting performance, flexible operation, and long service life in demanding jobsite conditions.
1. High-Strength Steel Structure
High-strength steel plates improve yield strength and fatigue resistance, providing a higher safety factor and a better strength-to-weight ratio.
2. Composite-Sealed Hydraulic Cylinders
Enhanced sealing performance to reduce leakage and improve durability.
3. Integrated Telescopic Boom Head Design
Reduces weld stress concentration and improves structural reliability.
4. Globally Standard High-Pressure Hydraulic Pipes
Higher pressure resistance rating and easier maintenance and replacement worldwide.
Description
The ZBS-6 6.3 ton knuckle boom crane is designed for professional truck-mounted lifting and material handling applications, offering a balance of lifting capacity, structural durability, and operational flexibility. Built with high-strength structural steel, the crane provides excellent load stability while maintaining an optimized strength-to-weight ratio, making it suitable for installation on various commercial truck chassis. Critical load-bearing components such as pins and joints are manufactured from alloy steels including 40CrMo and 27SiMn, ensuring superior wear resistance, reduced deformation under load, and extended service life for continuous industrial use.
The hydraulic system is equipped with high-quality composite sealing cylinders and globally standardized high-pressure hydraulic hoses, ensuring stable pressure performance, smooth operation, and reduced risk of leakage or downtime. The integrated boom head structure enhances overall rigidity and minimizes fatigue stress during repeated lifting cycles, improving long-term reliability and lowering maintenance requirements. Combined with a 360° continuous slewing mechanism, the crane allows flexible positioning and efficient operation in confined or complex jobsite environments.
Designed for construction contractors, logistics providers, equipment distributors, and fleet operators, the ZBS-6 loader crane is widely used for loading and unloading construction materials, transporting machinery, handling industrial equipment, and supporting infrastructure projects. Its durable structure, dependable hydraulic performance, and adaptable installation options make it an ideal lifting solution for OEM truck integration, export distribution, and long-term fleet deployment.
Data Sheet
| Parameter | Value |
| Maximum lifting capacity | 6,300 kg |
| Maximum lifting moment | 12.6 ton·meters |
| Maximum working radius | 8.25 m |
| Recommended power | 20 kW |
| Hydraulic system flow | 40 L/min |
| Hydraulic system pressure | 28 MPa |
| Oil tank capacity | 100 L |
| Rotation angle | 400° or 360° continuous rotation |
| Crane weight | 2,200 kg |
| Installation space | 1,070 mm |
| Outrigger span | 5,120 mm |
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