Introducing the Yongmao STT139 Tower Crane: a pinnacle of engineering excellence. This exceptional flat-head tower crane boasts outstanding performance that sets new industry standards. Let us delve into its impressive features, starting with its basic parameters: Amplitude: With a remarkable maximum amplitude of 60m, this crane facilitates expansive material lifting operations, covering a vast working range. Maximum Lifting Weight: Capable of hoisting up to 6000kg, it's perfectly suited to meet the demanding lifting requirements of diverse building materials and components. End-of-Arm Lifting Weight: At the 60m mark at the boom's tip, it efficiently handles a lifting weight of 1350kg, ensuring robust lifting capacity even at the furthest reach of the boom. Independent Height: Reaching a towering independent height of up to 45.4m, this crane achieves significant operational height without the need for external support.Product Features: Innovative Design and Robust Structure: The Yongmao STT139's cutting-edge design concept and meticulously optimized structural layout ensure unmatched stability and reliability during operation. This thoughtful engineering minimizes vibration and sway, enhancing both safety and precision of operations. Enhanced Safety: Boasting a tie-rod-free design, this flat-head tower crane reduces tower top height, wind resistance, and the center of gravity height, thereby extending the service life of the boom's steel structure. Adherence to rigorous safety standards and the inclusion of comprehensive safety devices like weight limiters, height limiters, and amplitude limiters ensure the utmost safety for both operators and equipment. Operational Excellence: Its tie-rod-free design excels in adapting to various worksite conditions, making it ideal for complex multi-crane operations and efficient assembly and disassembly, even in constrained construction spaces. With its compact unit mass and minimal installation height, it minimizes height discrepancies between tower bodies, conserving space and boosting operational efficiency, ultimately shortening construction timelines. Effortless Maintenance: Designed with convenience in mind, the Yongmao STT139 simplifies maintenance, facilitating easy daily upkeep and repairs. Components are strategically designed for accessible maintenance, reducing downtime and costs while maximizing equipment utilization. Manufacturer: A Pillar of Construction Machinery: Fushun Yongmao Construction Machinery Co., Ltd., founded in 1996, stands as a global giant in construction machinery manufacturing, with its products reaching over 80 countries and regions worldwide. Unmatched Technical Expertise: Home to numerous senior technical experts with national accolades, Yongmao has earned the titles of 'Provincial Enterprise Technology Center' and 'High-Tech Enterprise in Liaoning Province.' Collaborative R&D endeavors with esteemed institutions like Harbin Institute of Technology, Beijing Institute of Technology, and Shenyang Jianzhu University further underscore its technical prowess. Application Scenarios: Versatile and Powerful: Residential Construction: Perfectly suited for high-rise residential projects, the STT139 effortlessly lifts essential materials like steel bars, concrete components, and blocks, providing robust support for the main structural construction of buildings. Commercial Building Construction: With its expansive construction range and substantial weight capacity, this tower crane excels in projects involving shopping malls, office buildings, and more, efficiently assisting in tasks such as steel structure installation and the lifting of glass curtain walls. Industrial Plant Construction: During the construction of industrial facilities, the STT139 efficiently handles the lifting of heavy equipment foundations, steel roof trusses, crane beams, and more, ensuring swift plant construction and seamless equipment installation. Market Feedback: Earning widespread praise, the Yongmao STT139 flat-head tower crane is lauded for its consistent, reliable performance, high operational efficiency, and ease of maintenance. Users also commend Yongmao Construction Machinery's exceptional after-sales service, making it a trusted choice in the industry.