CHANGJIANG QY 50

Basic Performance Model: CHANGJIANG QY50 (QY50G) Max. Rated Lifting Capacity: 50 t (50,000 kg) Min. Working Radius: 3.0 m (3,000 mm) Max. Lifting Moment: 1,600 kN·m (typical for 50t class) Boom & Jib Main Boom (Hexagonal Telescopic): Min. Length (Base Boom): 10.8 m (10,800 mm) Max. Length (Full Extension): 40.0 m (40,000 mm) Number of Sections: 5 Jib (Lattice/Folding): Length Range: 9.2–15.0 m (9,200–15,000 mm) Max. Lifting Height (Main + Jib): 54.6 m (54,600 mm) Counterweight Total Counterweight: 10,500 kg (10.5 t) (fixed + removable) Fixed Counterweight: 4,500 kg (4.5 t) Removable Counterweight: 6,000 kg (6.0 t) Outriggers Longitudinal Span: 5.5 m (5,500 mm) Lateral Span: 7.2 m (7,200 mm) Dimensions (Transport) Overall Length: 13,150 mm Overall Width: 2,750 mm Overall Height: 3,625 mm Wheelbase: 1,450 + 3,850 + 1,350 mm Front Track: 2,300 mm Rear Track: 2,050 mm Engine & Performance Engine Model: Cummins NTC‑330 Rated Power: 183 kW (246 HP) @ 2,100 rpm Max. Torque: 1,400 N·m Max. Travel Speed: 70 km/h Max. Gradeability: 32% Min. Turning Diameter: 24 m Working Speeds Main Winch (Single Rope, No‑Load): 0–106 m/min Auxiliary Winch (Single Rope, No‑Load): 0–106 m/min Boom Luffing Time (Raise/Lower): 88 / 110 sec Boom Extension/Retraction Time: 170 / 121 sec Swing Speed: 0–2 r/min