三一重工 25吨

1. Model Overview The Sany STC250S is a 25-tonne truck crane made by Sany Heavy Industry in Changsha, China. Known as the "25-ton King" for its long boom and efficiency. Used in construction, bridges, ports, and municipal projects. 2. Core Specifications Parameter Value Max Rated Lifting Capacity 25,000 kg Gross Weight (Total Mass) 33,000 kg Main Boom Length 40.5 m (5-section U-shaped) Main + Jib Boom Length 48.5 m Max Lifting Height (Main Boom) 41 m Max Lifting Height (Main+Jib) 49 m 3. Engine & Chassis Parameter Value Engine Weichai diesel Power 220 kW Fuel Type Diesel Emission Euro III / V (export configurable) Drive 6x4 Max Travel Speed 80 km/h Fuel Tank 300 L 4. Outrigger & Working Range Parameter Value Outrigger Span (L × W) 6.2 m × 5.3 m Min Working Radius 3 m Counterweight 4,500 kg 5. Hoisting Speed Parameter Value Main Winch Speed 125 m/min Aux Winch Speed 130 m/min Swing Speed 0-2.5 rpm 6. Dimensions (mm) Length: 12,850-12,890 Width: 2,500 Height: 3,650-3,750 Tire: 11.00R20 or 12R22.5 7. Key Features U-shaped main boom: 40.5m, 5 sections. Weight reduced 50% vs hexagonal booms. Lifting performance improved 10-15%. Hydraulic system: Variable pump with post-compensation for smooth compound moves. Minimum swing speed under 0.2°/s. Fuel efficiency: Dynamic power matching saves 10-15% fuel vs competitors. Idle speed at 680 rpm saves 8%. Chassis: Heavy-duty high-strength frame tested to 40,000 fatigue cycles. Operator cab: ROPS/FOPS certified, AC, air suspension seat. Safety: Load moment indicator, anti-two-block, overload warning. 8. Standard Equipment Weichai diesel, 6x4 chassis, 40.5m boom, ROPS cab with AC and air seat, load moment indicator, variable hydraulic system. 9. Optional Equipment 9.5m fly jib, additional counterweight, 12R22.5 tires, GPS telematics. 10. Applications Construction, bridge projects, municipal works, ports, logistics. 11. Export Markets Africa, Middle East, Southeast Asia, Latin America, CIS. Euro III/Euro V available. Specifications vary. Contact local Sany dealer for details.