Factory price Top brand 50 ton 55 ton Crawler Crane SCC550A

Model DCEC  China) QSB5.9-C210 Diesel engine;Type: 4-stroke, water-cooled, vertical in-line 6 cylinders, direct

injection, turbo-charger, intercooler, complied with European
Off-way Tier III Emission Standard and Chinese Off-way Tier III
Emission Standard;
Displacement: 5.9L;
Rated power: 154kW/2200rpm;
Operation power: 147kW/1800rpm;
Max. Torque: 820N·m/1500rpm ;
Starter: 24V-6kW;
Radiator: fin type aluminum plate core;
Air cleaner: Dry type system with main filter element, safety
element and resistance indicator;
Throttle: Grip type hand throttle, electrically-controlled;
Fuel filter: Replaceable paper element;
Batteries: Two 12V×180Ah capacity batteries, connected in
series;
Fuel tank capacity: 400L.Electrical Control System Self-developed integrated control system is adopted with
higher integration, precise operation and reliable quality;Control system consists of power system, engine system,
main control system,  system, auxiliary system and safety monitoring system.  used for data communication
between controller, monitor and the engine; Monitor: the working parameters and status are shown on the monitor, such as the engine speed, fuel volume, engine oil
pressure, servo pressure, wind speed, engine working hours, lifting conditions and boom angle.Hydraulic System
Main pumps: open variable displacement piston pumps of large displacement are adopted to provide oil supply for main
actuators of main machine; Gear pump: dual gear pump for swing, radiator and control
circuit; Control: main pump adopts electrically-controlled positive flow control; winch motor adopts limitless adjustable piston motor of
variable displacement. The operating components are two cross hydraulic handle, one dual travel pedal control valve to control
various actuators proportionally; Way of cooling: heat exchanger, fan core and multi-stage
cooling; Filter: large flow, high precision filter, with bypass valve and transmitter, which can remind the user to replace the filter
element in time; Max. pressure of system: 32 Mpa; Main/aux. load hoist and travel system: 32Mpa; Swing system: 20 MPa;
Control system: 5 MPa; Hydraulic Tank Capacity:460L.