The Dahan QTZ125 (PT6513/H6015) is a versatile 6–8 t flat-top (top‑slewing/top‑kit) tower crane featuring a 60–65 m modular jib, capable of lifting an arm-tip load of 1.3 t and a max capacity of up to 8 t, with freestanding heights of 44–45 m extendable to ~200 m with tie-ins. It employs variable-frequency drives across hoist, trolley, and slewing systems for smooth, efficient operation. Constructed from Q345B steel with advanced robot-welded mast sections and equipped with high-end components (Schneider converters, PLC diagnostics, torque and rope-break safeties), it meets CE/ISO standards. Containerized upperworks and compact topless configuration enable fast assembly and minimal site interference. Ideal for urban, infrastructure, and industrial contractors seeking a high-performance, cost-effective lifting solution with top-end logistics and safety.