| Customization: | Available |
|---|---|
| After-sales Service: | Video, Tel, Door-to-Door Service |
| Max. Lifting Height: | 45m |
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Scc550C Crawler Crane Overview:



| Category | Parameter | Specifications |
|---|---|---|
| Engine | Model | QSB5.9-C210 (Tier 3) |
| Displacement | 5.9L | |
| Rated Power | 154 kW / 2200 rpm | |
| Maximum Torque | 820 N·m / 1400 rpm | |
| Hydraulic System | Main Pump | High-capacity open variable piston pump |
| Gear Pump | Twin gear pump for rotation, cooling, and control circuit | |
| Control | Main pump uses electro-proportional positive flow control, winch motor uses variable piston motor | |
| System Maximum Pressure | 32 MPa for main and auxiliary winches and travel system, 20 MPa for rotation system, 4.5 MPa for control system | |
| Hydraulic Oil Tank Capacity | 460 L | |
| Rotation Mechanism | Type | Interlocking rotation drive for 360° rotation |
| Rotation Lock | Equipped with rotation lock device for reliable locking during work or transportation | |
| Rotation Support | Single row ball rotation support | |
| Rotation Speed | 0 to 1.9 rpm | |
| Lifting Mechanism | Main and Auxiliary Hoist | Individually driven, drums driven directly by winch motor through reducer |
| Drum Design | Cranked drum design for multi-layer winding without tangling | |
| Optional Free Fall Hook | Available for main and auxiliary hooks | |
| Boom System | Main Arm Structure | Truss structure with high-strength structural steel pipes |
| Fixed Jib | Truss structure, main pipes made of high-strength structural steel pipes | |
| Extended Boom Length | 1.0m for auxiliary hook operation | |
| Safety Devices | Installation/Working Mode Switch | Allows for convenient crane assembly with some safety devices deactivated |
| Emergency Stop | Cuts power to all systems in case of emergency | |
| Moment Limiter | Computer-controlled safety system with display, angle sensor, force sensor, etc. | |
| Anti-Overhoist Device | Prevents over-hoisting of the lifting hook | |
| Anti-Overlower Device | Prevents excessive lowering of the steel wire rope | |
| Function Lock | Prevents accidental operation when not in place | |
| Boom Locking Device | Locks the boom when not needed to prevent accidental operation | |
| Swing Lock | Allows for locking the upper and lower carriages | |
| Transportation | Basic Arm Weight | 50 t |
| Counterweight Weight | 16 t | |
| Main Unit Transport Weight (with crawler frame, lower arm) | 32.3 t | |
| Main Unit Transport Dimensions (with crawler frame, lower arm) | 12,200×3,000×3,300 mm |