QTZ63(5610) 1.Rated load moment is 710 kn·m ,max load moment is 853.2kn·m. 2. Jib length: 56m. 3. Free standing height: 40m 4. Max. height: 151.2m 5. Size of mast section: 1.6*1.6*2.5 6. Reliable performance,good looks, reasonable price and advanced safety features, also is the ideal construction machinery of Small and medium-sized construction enterprise.