Zoomlion ZTC 550H

### ZOOMLION ZTC550H (55T Truck Crane) – Technical Specifications #### 1. Lifting Performance - **Max. Rated Lifting Capacity**: 55 t @ 3 m radius - **Max. Rated Lifting Moment**: 2107 kN·m - **Max. Lifting Height (Main Boom Fully Extended)**: 46.7 m - **Max. Lifting Height (Main Boom + Jib)**: 62.5 m - **Min. Working Radius**: 3 m #### 2. Boom System - **Main Boom Sections**: 5 sections (U-type) - **Main Boom Length (Retracted)**: 12.3 m - **Main Boom Length (Fully Extended)**: 46 m - **Jib Length (Optional)**: 9.5 m / 16 m - **Telescoping Time (Boom)**: 95 s - **Derricking Time (Boom)**: 50 s #### 3. Chassis & Engine - **Engine Model**: Weichai WP10.375E53 - **Rated Power**: 276 kW @ 1900 rpm - **Emission Standard**: Euro 5 / China National V - **Max. Travel Speed**: 90 km/h - **Min. Turning Radius**: 11.5 m - **Max. Gradeability**: 46 % - **Wheelbase**: 4-axle chassis #### 4. Overall Dimensions & Weight - **Overall Dimensions (L×W×H)**: 14390 × 2800 × 3800 mm - **Operating Weight**: 44.49 t - **Counterweight**: 11.5 t #### 5. Working Speeds - **Slewing Speed**: 0–2.2 r/min - **Main Winch (Single Rope)**: 130 m/min (4th layer) - **Auxiliary Winch (Single Rope)**: 72 m/min (2nd layer) #### 6. Others - **Outrigger Span (Full Extension)**: 7.8 m (transverse) × 6.6 m (longitudinal) - **Certifications**: CE, ISO9001