徐工 QY25K5A

### **1. Lifting Capacity** - **Maximum Rated Lifting Capacity**: **25 t** - **Maximum Lifting Moment**: **1061 kN·m** - **Minimum Working Radius**: **3 m** - **Max. Lifting Height (Basic Boom)**: **10.9 m** - **Max. Lifting Height (Full Extended Boom)**: **41.5 m** - **Max. Lifting Height (Basic Boom + Jib)**: **48.5 m** ### **2. Boom Dimensions** - **Boom Type**: 5-section U-shaped telescopic boom - **Basic Boom Length**: **10.6 m** - **Full Extended Boom Length**: **41 m** - **Auxiliary Jib Length**: **8.3 m** - **Total Length (Boom + Jib)**: **49.3 m** ### **3. Operating Speeds** - **Main Hoist Lifting Speed**: **135 m/min** - **Auxiliary Hoist Lifting Speed**: **135 m/min** - **Boom Extension Time (Full)**: **78 s** - **Boom Luffing Time**: **38 s** - **Slewing Speed**: **2.5 rpm** ### **4. Engine** - **Model**: **SC9DF290Q4** - **Rated Power**: **213 kW / 2200 rpm** - **Emission Standard**: **Euro IV** ### **5. Transport Dimensions** - **Overall Length (L×W×H)**: **12680 × 2500 × 3400 mm** - **Total Weight (Travel)**: **32800 kg** - **Outrigger Span (Longitudinal × Transverse)**: **5300 × 6000 mm** ### **6. Travel Performance** - **Max. Travel Speed**: **90 km/h** - **Max. Gradeability**: **41%** - **Approach / Departure Angle**: **11° / 12°** - **Min. Ground Clearance**: **275 mm** ### **7. Counterweight** - **Standard Counterweight**: **Approx. 5.6 t** ### **8. Features** - **U-shaped boom** with high strength and low deformation - **Dual-pump confluence** hydraulic system for efficient operation - **9-speed transmission** for excellent driving performance - **Load-sensitive control** for smooth and energy-saving operation