Topkit tower crane K30/30 Performance parameters: Model Topkit tower crane K30/30. Jib length 70m Max. load capacity 12t Tip load 3t Base type Stationary/Attached/Internal-climbing Hoisting height Free standing 51.7m Mast section 2*2*3m. Advanced technology are applied in the mechanisms and control systems, the tower crane has good performance,high reliability and easy maintenance. We offer frequency control on hoisting mechanism, slewing mechanism and trolleying mechanism as our standard equipment, which has many advantages such as excellent timing characteristics, stable start and stop, minor mechanical and electrical impaction, good positoning and high productivity and so on.