徐工 QY 25 K-I

### 1. General Parameters - **Model**: QY25K-I - **Max. Rated Lifting Capacity**: **25 t** - **Max. Lifting Moment**: **1000 kN·m** - **Drive/Steering**: **6×4×2** - **Country of Origin**: Jiangsu, China ### 2. Boom & Jib (m) - **Main Boom Length**: **10.6 – 33 m** (4-section telescopic boom) - **Fly Jib Length**: **8.15 m** (fixed jib) - **Max. Lifting Height (Main Boom)**: **33.5 m** - **Max. Lifting Height (Main + Fly Jib)**: **41.15 m** - **Working Radius (Min.–Max.)**: **3.0 – 28.0 m** ### 3. Transport Dimensions (mm) - **Overall Length**: **12550** - **Overall Width**: **2500** - **Overall Height**: **3380** - **Wheel Base**: **4425 + 1350** - **Ground Clearance**: **260 mm** ### 4. Weights (kg) - **Total Weight (Travel)**: **29400** - **Front Axle Load**: **6200** - **Rear Axle Load**: **23200** - **Standard Counterweight**: **8200 kg** ### 5. Engine & Performance - **Engine Model**: **SC8DK280Q3** (Shanghai Diesel) - **Emission**: **China-III / Euro III equivalent** - **Rated Power**: **206 kW / 2200 rpm** - **Max. Torque**: **1112 N·m / 1400 rpm** - **Max. Travel Speed**: **75 km/h** - **Min. Turning Diameter**: **22 m** - **Max. Gradeability**: **30%** ### 6. Operation Speeds - **Main Hoist Speed (single rope)**: **120 m/min** - **Slewing Speed**: **0–2.5 r/min** - **Boom Telescoping Time (full extend/retract)**: ≤ 150 s - **Outrigger Span (L×W)**: **6.0 × 7.2 m**