徐工 QUY 50

**Type**：Hydraulic crawler crane (50-ton class) ### 1. Lifting Performance - **Max. rated lifting capacity**：50 t (main boom) - **Max. load moment**：1,815 kN·m (181.5 t·m) - **Fixed jib capacity**：4 t - **Main boom length**：13 – 52 m - **Main boom angle**：30° – 80° - **Fixed jib length**：9.15 – 15.25 m - **Jib mounting angles**：10°, 30° ### 2. Mechanism Speeds - **Main hoist (single line, no load)**：0 – 65 m/min - **Boom luffing speed**：Max. 52 m/min - **Slewing speed**：1.5 rpm - **Travel speed**：1.1 km/h - **Gradeability**：40% ### 3. Engine - **Rated power**：115 kW - **Type**：Diesel, water-cooled, turbocharged ### 4. Physical & Transport Data - **Ground pressure**：0.069 MPa - **Operating weight**：Approx. 50 t - **Max. single transport weight**：31 t - **Transport dimensions (L×W×H)**：11,500 × 3,400 × 3,400 mm ### 5. Winch & Rope - **Main winch rope diameter**：20 mm - **Main winch rope length**：170 m - **Boom derricking rope**：Ø16 mm, 150 m