徐工 QY50B

1. General Performance Max. Rated Lifting Capacity: 50 t (110,231 lb) @ 3 m radius Max. Load Moment: 1,509 kN·m (base boom) Min. Working Radius: 3 m (9.8 ft) Max. Boom Extension Time: 184 s Swing Speed: 2 rpm Operating Weight: 39,870 kg (87,898 lb) 2. Boom & Jib Main Boom (4-section telescopic): Length: 11.27 – 40.31 m (37 – 132.3 ft) Max. Lift Height (no jib): 40.31 m (132.3 ft) Auxiliary Jib: Length: 15.49 m (50.8 ft) Max. Lift Height (main + jib): 55.8 m (183.1 ft) Offset Angles: 0°, 15°, 30° 3. Transport Dimensions (L×W×H) Overall: 13,270 × 2,750 × 3,300 mm Outrigger Span (Longitudinal × Transverse): 5.45 × 6.60 m Tail Swing Radius: 3.8 m (12.5 ft) Ground Clearance: 291 mm (0.95 ft) 4. Engine & Performance Engine Model: WD615.46 / WD615.334 Gross Power: 247 kW (334 hp) @ 2,200 rpm Max. Torque: 1,460 N·m (1,077 lb·ft) @ 1,400 rpm Travel Speed: 78 km/h (48.5 mph) Gradeability: 46% Minimum Turning Radius: 12 m (39.4 ft) 5. Counterweight Total Counterweight: 8,000 kg (8.0 t) 6. Tires Standard Tire Size: 12.00R24 Standard Brands: Advance, Double Coin 7. Hydraulics Boom Cylinder: Single-hydraulic cylinder with telescopic sections Control System: Load-sensitive hydraulic system