中联重科 ZTC 550H

### ZOOMLION ZTC550H (55t Truck Crane) – Specifications #### 1. Lifting Performance - **Max Rated Lifting Capacity**: **55,000 kg (55 t)** @ 3 m radius - **Max Load Moment (Basic Boom)**: **2,107 kN·m** - **Max Load Moment (Fully Extended)**: **1,341 kN·m** - **Main Boom**: 5-section, **46 m (fully extended)** - **Boom Length Range**: 12.3 m – 46 m - **Jib Length**: 9.5 m / 16 m (optional) - **Max Lifting Height (Main Boom)**: **46.7 m** - **Max Lifting Height (Boom+Jib)**: **62.5 m** - **Min Working Radius**: 3 m #### 2. Chassis & Dimensions - **Axle Configuration**: 4-axle (8×4 drive) - **Operating Weight**: **44,490 kg** - **Transport Dimensions (L×W×H)**: **14,390 × 2,800 × 3,800 mm** - **Outrigger Spread (L×W)**: **6.05 m × 7.8 m** - **Min Turning Radius**: 11.5 m - **Ground Clearance**: 305 mm - **Max Gradeability**: 46% - **Max Travel Speed**: **90 km/h** #### 3. Engine (Chassis) - **Model**: Weichai **WP10.375E53** - **Rated Power**: **276 kW (375 hp) @ 1,900 rpm** - **Max Torque**: 1,500 N·m @ 1,200–1,500 rpm - **Emission Standard**: Euro V / China V #### 4. Boom & Hydraulics - **Boom Type**: 5-section telescopic, U-profile high-strength steel - **Telescoping System**: Single cylinder + rope arrangement - **Max Hoist Rope Speed (Main/Aux)**: 125 / 125 m/min - **Slewing Speed**: 0–2.2 rpm #### 5. Standard Equipment - **Counterweight**: **15,000 kg (15 t)** - **Tires**: 12.00R20 (dual rear wheels) - **Brakes**: Air-operated drum brakes - **Cab**: Double-seat, air conditioning