徐工 QY 50 B

### XCMG QY50B – Technical Specifications #### 1. Basic Crane Data - **Model:** XCMG QY50B - **Type:** Truck-mounted hydraulic telescopic crane - **Max. Rated Lifting Capacity:** **50 t (110,231 lb)** - **Min. Rated Working Radius:** **3 m (9.8 ft)** - **Max. Load Moment:** 1,509 kN·m (basic boom) #### 2. Boom System - **Basic Boom Length (min):** **11.27 m (37.0 ft)** - **Full Extended Boom Length:** **40.31 m (132.2 ft)** - **Jib Length:** 15.49 m (50.8 ft) - **Max. Lifting Height (boom + jib):** 55.8 m (183.1 ft) #### 3. Weight & Dimensions - **Operating Weight:** 39,870 kg (87,898 lb) - **Transport Length:** 13.27 m (43.5 ft) - **Transport Width:** 2.75 m (9.0 ft) - **Transport Height:** 3.30 m (10.8 ft) - **Outrigger Span (L×W):** 5.45 m × 6.6 m (17.9 ft × 21.7 ft) - **Counterweight:** **10,000 kg (22,046 lb)** #### 4. Chassis & Engine - **Engine Model:** WD615.334 / WD615.46 - **Rated Power:** **247 kW (357 hp) @ 2,200 rpm** - **Max. Torque:** 1,460 N·m (1,077 lb·ft) @ 1,400 rpm - **Max. Travel Speed:** 78 km/h (48.5 mph) - **Min. Turning Radius:** 12 m (39.4 ft) - **Gradeability:** 46% #### 5. Operational Speeds - **Swing Speed:** 2 rpm - **Boom Luffing Time:** 120 s - **Full Boom Extension Time:** 184 s