徐工 QY 75 KC

### 1. Basic Lifting Performance - **Max Rated Lifting Capacity**: **75,000 kg (75 t)** - **Min Working Radius**: **3.0 m** - **Max Load Moment (Basic Boom)**: **2,921 kN·m** - **Main Boom Length**: **12.6 m – 47.5 m (5 sections)** - **Max Lifting Height (Basic Boom)**: **44.5 m** - **Max Lifting Height (Basic + Jib)**: **59.5 m** - **Jib Length**: **9 m / 15 m (optional)** --- ### 2. Engine & Power - **Engine Model**: **D10.38-50 (Sinotruk)** - **Rated Power**: **276 kW @ 1,900 rpm** - **Emission Standard**: **Stage V / Tier 4 Final** - **Fuel Type**: Diesel --- ### 3. Weight & Dimensions (Transport) - **Operating Weight (Travel)**: **45,805 kg** - **Counterweight**: **18,200 kg** - **Overall Length**: **15,000 mm** - **Overall Width**: **2,800 mm** - **Overall Height**: **3,785 mm** --- ### 4. Chassis & Travel Performance - **Chassis Type**: 4-axle truck chassis - **Max Travel Speed**: **≥90 km/h** - **Min Turning Diameter**: **≤24 m** - **Max Gradeability**: **≥45%** - **Outrigger Span (Longitudinal)**: **6.545 m** - **Outrigger Span (Transverse)**: **7.9 m / 5.6 m** --- ### 5. Working Speeds - **Max Slewing Speed**: **2.0 r/min** - **Boom Luffing Time**: **≤55 s** - **Boom Full Extension Time**: **≤110 s** - **Main Winch Speed (single line, no load)**: **140 m/min** --- ### 6. Standard Equipment - 5-section telescopic boom (U-section, high-strength steel) - 9m fixed jib (15m optional) - Full hydraulic control system - 360° continuous slewing - Safety: LMI, anti-tipping device, overload protection - Cabin: A/C, air suspension seat, electronic dashboard