6.3 Ton Knuckle Boom Crane

The 6.3 ton Knuckle Boom Crane is a standout mid-range model, combining impressive lifting power with the inherent flexibility of an articulating boom. This popular tonnage is widely used in truck-mounted transport, port handling, construction, and scrap recycling-offering an ideal balance of practicality and cost-effectiveness. Built with high-strength steel and multi-section folding boom design, it enables precise heavy-load lifting in confined spaces.

1. Powerful Lifting Performance
With a maximum lifting capacity of 6,300 kg and a lifting torque of up to 125–138 kN·m, this crane handles heavy steel structures, machinery, containers, and other heavy materials with ease.

2. Multi-Section Folding Boom, Wide Coverage
Standard 4-section hydraulic telescopic boom with a maximum working radius of 12.4m and maximum lifting height of approximately 14m. Luffing angle ranges from 1° to 80°, adapting to diverse working conditions.

3. High-Strength Steel, Lightweight & Durable
Boom constructed with Baosteel BS960 high-strength steel with a hexagonal cross-section for superior bending resistance. Base and turntable use BS700 high-strength steel for a compact, lightweight, and tough structure.

4. 360° Full Slewing, Flexible Operation
Supports 360° continuous slewing with slewing speed of 1.2–1.5 r/min and slewing torque up to 18 kN·m, enabling precise and agile positioning.

5. Advanced Hydraulic System
Rated working pressure of 30MPa and flow rate of 32 L/min. Optional Italian imported hydraulic valves, locks, and pumps ensure stable operation, fast telescoping, and long service life.

6. Wide Outrigger Span For Stability
Outrigger span up to 5.6m or more, equipped with outrigger locking devices and lock valves, significantly enhancing operational stability. Standard overwind alarm device ensures safe operation.

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