徐工 QY 50 K-Ⅱ

### XCMG QY50K-Ⅱ Truck Crane – Technical Specifications #### 1. Basic Parameters - **Brand**: XCMG - **Model**: QY50K-Ⅱ - **Type**: 8×4 truck-mounted telescopic crane - **Max Rated Lifting Capacity**: **50 t** (at 3 m radius) - **Max Rated Load Moment**: **1,764 kN·m** - **Boom Sections**: 5 (U-shaped) #### 2. Dimensions (mm) - **Overall Length**: 13,750 - **Overall Width**: 2,800 - **Overall Height**: 3,520 - **Wheelbase**: 4,700 + 1,350 mm - **Min Turning Radius**: 12,000 #### 3. Weight (kg) - **Total Weight (Travel State)**: **41,000** - **Front Axle Load**: 15,000 - **Rear Axle Load**: 26,000 - **Counterweight**: 14,000 #### 4. Boom & Jib (m) - **Main Boom Length (Min/Max)**: 11.3 / 42.7 - **Luffing Jib Length**: 8.3–15.0 (optional) - **Max Lifting Height (Boom Only)**: 42.7 - **Max Lifting Height (with Jib)**: 58.1 #### 5. Engine (Chassis) - **Model**: WD615.334 (Euro Ⅲ) - **Rated Power**: **247 kW @ 2,200 rpm** - **Fuel Type**: Diesel - **Max Travel Speed**: **80 km/h** - **Gradeability**: 40% #### 6. Chassis & Tires - **Drive Configuration**: 8×4 - **Tire Size**: 12.00R20 - **Min Ground Clearance**: 291 mm - **Approach/Departure Angle**: 17°/17° #### 7. Working Performance - **Boom Extension Time (Full)**: 180 s - **Lifting Speed (No Load)**: 120 m/min - **Slewing Speed**: 0–2 rpm - **Outrigger Span (Longitudinal)**: 5.4 m - **Outrigger Span (Transverse)**: 6.0 m