Zoomlion ZTC 550 V

### ZOOMLION ZTC550V (55t Truck Crane) – Specifications #### 1. General - **Model**: ZTC550V (ZTC550V552 / ZTC550V532) - **Type**: 55-ton Telescopic Boom Truck Crane - **Manufacturer**: Zoomlion (China) - **Operating weight**: **42,000 kg** - **Chassis**: 8×4 drive, 4 axles, Zoomlion special chassis #### 2. Lifting Performance - **Max rated lifting capacity**: **55 t @ 2.5 m radius** - **Max load moment (basic boom)**: **2,033 kN·m** - **Max load moment (full boom)**: **1,192 kN·m** - **Main boom**: 5-section U-type, **11.6–45.0 m** - **Jib**: 2-section, **9.5 m / 16 m** (offset: 0°, 30°) - **Max lifting height (full boom + jib)**: **61.5 m** - **Boom angle range**: **-2° to 80°** #### 3. Engine - **Manufacturer**: Weichai - **Model**: WP13.375E50 - **Rated power**: **276 kW @ 1,900 rpm** - **Emission standard**: **Euro 5 / China National V** #### 4. Dimensions (mm) - **Transport (L×W×H)**: **13,950 × 2,800 × 3,750** - **Outrigger span (L×T)**: **5,920 × 7,100 (full) / 4,800 (half)** - **Tail swing radius**: **3,930** #### 5. Working Speeds - **Main winch max speed**: **125 m/min** - **Aux winch max speed**: **125 m/min** - **Slewing speed**: **0–2.2 rpm** - **Boom luffing time**: 45 s (up) - **Boom telescoping time**: 95 s (full extend) #### 6. Travel Performance - **Max driving speed**: **85 km/h** - **Gradeability**: **47%** - **Min turning diameter**: ≤24 m - **Fuel tank capacity**: 400 L #### 7. Hydraulics - **Main pump**: Variable displacement piston pump - **Max system pressure**: 31.5 MPa - **Auxiliary hydraulic flow**: ~250 L/min