徐工 QY 50B

### XCMG QY50B (50t Truck Crane) – Specifications #### 1. Lifting Performance - **Max. Rated Lifting Capacity**: **50 t @ 3.0 m radius** - **Max. Load Moment**: **1,509 kN·m** - **Main Boom**: 4‑section, **11.27 m – 40.31 m** - **Jib**: **15.49 m** - **Max. Lifting Height**: - Main boom: **42.58 m** - Main boom + jib: **55.8 m** - **Slewing Speed**: **0–2.0 rpm** - **Min. Working Radius**: **3.0 m** - **Counterweight**: **10.0 t** (standard) #### 2. Engine & Power - **Engine Model**: **WD615.46** (Euro III / China GB III) - **Rated Power**: **266 kW @ 2,200 rpm** - **Max. Torque**: **1,460 N·m @ 1,400 rpm** - **Transmission**: Manual - **Emission Standard**: **Euro III / China GB III** #### 3. Travel Performance - **Wheel Formula**: **8×4** - **Max. Travel Speed**: **78 km/h** - **Min. Turning Radius**: **12 m** - **Max. Gradeability**: **46%** - **Min. Ground Clearance**: **291 mm** #### 4. Dimensions (mm) - **Transport Length**: **13,270** - **Transport Width**: **2,750** - **Transport Height**: **3,300** - **Gross Weight**: **39,870 kg** - **Outrigger Spread (max)**: **5.93 m (longitudinal) × 6.9 m (lateral)** #### 5. Winches & Hydraulics - **Main Winch Line Speed**: **110 m/min** (single line) - **Aux Winch**: Standard - **Fuel Tank**: **300 L** - **Hydraulic Tank**: **250 L** #### 6. Tyres - **Size**: **12.00R20** - **Qty**: 10 tyres (8×4)