三一重工 STC800S

# SANY STC800S English Specifications ### 1. Core Performance - **Max. Lifting Capacity**: 80 t - **Max. Lifting Moment**: 2958 kN·m (Base boom + 4t + 2×4.5t counterweight) - **Boom Type**: U-shaped 5-section telescopic boom - **Boom Lengths**: Base 12.2 m / Full extension 47.0 m - **Max. Lifting Height**: 64.7 m (Boom + optional jib) - **Max. Single-line Rope Speed (Main/Aux Winch)**: 130 m/min (no load) - **Slewing Speed**: 2.0 r/min (max.) - **Outrigger Span (Long × Trans)**: 6.18 × 7.6 m ### 2. Dimensions & Weight - **Overall Length**: 14695 mm - **Overall Width**: 2750 mm - **Overall Height**: 3830 mm - **Axle Spacing**: 1–2: 1520 mm / 2–3: 4380 mm / 3–4: 1350 mm - **Overall Weight**: 46000 kg - **Axle Load**: 1–2: 20000 kg / 3–4: 26000 kg - **Min. Ground Clearance**: 300 mm - **Tail Swing Radius**: 4339 mm ### 3. Counterweight - **Standard**: 4000 kg fixed + 4500 kg removable - **Optional**: Additional 4500 kg removable - **Total Configurable**: Up to 13000 kg ### 4. Chassis & Powertrain - **Engine**: Inline 6-cylinder water-cooled turbocharged intercooled diesel; **275 kW @ 2100 rpm**; **1550 N·m @ 1200–1400 rpm**; Euro III emission - **Transmission**: 9-speed manual gearbox; 8×4 drive (1–2 steer, 3–4 drive) - **Max. Travel Speed**: 82 km/h - **Min. Turning Radius**: 11.5 m - **Min. Boom Head Turning Radius**: 14.9 m - **Approach/Departure Angle**: 20° / 15° - **Max. Gradeability**: 40% - **Fuel Tank Capacity**: 350 L - **Tyres**: 12×12.00R24-20PR ### 5. Hydraulics & Control - **Hydraulic System**: Load-sensitive variable piston pump, electric proportional valve, constant power control - **Boom Telescopic System**: Dual-cylinder rope-independent telescopic; Full extension/retraction: 100/120 s - **Luffing System**: Dead-weight luffing; Luffing angle: -2°~80° - **Control System**: SYMC self-developed controller, CAN-bus full-digital network, large color touch display - **Safety System**: Load moment limiter (accuracy ±3%), overload alarm, automatic dangerous action cut-off ### 6. Hoisting System - **Main Hooks**: 800/700 kg & 320 kg (max. 80 t & 30 t) - **Auxiliary Hook**: 140 kg (max. 5 t) - **Main Winch Rope**: 20-35W×7-1960L 245 m (left-handed) - **Auxiliary Winch Rope**: 20-35W×7-1960L 145 m (left-handed) ### 7. Operation & Environment - **Jib Offset Angles**: 0°, 15°, 30° - **Working Temperature Range**: -20 °C ~ +45 °C - **Cabs**: Upper cab (cooling); Lower cab (cooling & heating)