Zoomlion QUY650

Debuting as one of Zoomlion’s most advanced crawler cranes, the QUY650 is engineered for heavy-duty operations in energy, infrastructure, and large industrial installations. It features a maximum lifting capacity of 650 tons at a 6-meter radius without the use of a derrick boom and suspended ballast, and maintains this capacity at a 12-meter radius when those attachments are used. Its heavy-duty boom stretches from 24 to 84 meters, with an optional extension to 108 meters. For lighter operations, a light-duty boom from 72 to 138 meters is also available. The crane also supports fixed jibs (up to 36 meters), luffing jibs (up to 96 meters), and wind plant jibs, offering versatile configuration options tailored to specific job site demands.

Powering the QUY650 is a robust 420 kW (563 HP) electronic fuel injection engine that meets U.S. EPA Tier 3 and EU Stage III emission standards, ensuring fuel efficiency and reduced environmental impact. Its hydraulic system features a variable piston pump and motor, delivering energy efficiency and precise control for all crane movements. A standout feature is its ability to travel under 100% rated load, a testament to its robust undercarriage and balanced load distribution.

The crane’s digital interface includes a 10.4-inch LCD display supporting multiple languages and showing real-time parameters such as engine speed, hydraulic pressure, and crane inclination. This is further enhanced by a GPS/GPRS remote monitoring system, allowing for remote diagnostics, maintenance tracking, and operational security.

Operational flexibility is another highlight of the QUY650. It supports simultaneous crane movements via an electro-hydraulic proportional control system, greatly increasing productivity on site. The self-assembly and dismantling mechanisms for crawler carriers and boom components minimize the need for auxiliary cranes, enhancing mobility and reducing setup time. The crane’s slewing mechanism uses a closed oil circuit with two slewing gears, ensuring accurate and stable inching and rotational control.

Additional safety features include load moment limiters, anti-two block devices, hydraulic safety valves, and anemometers for wind speed monitoring. An emergency stop system, mechanical locking for transport safety, and a centrally lubricated system contribute to overall operational security and maintenance efficiency.

In summary, the Zoomlion QUY650 represents the pinnacle of crawler crane engineering with cutting-edge systems, flexible boom configurations, and unmatched lifting capacity for critical heavy-lifting applications.