Detailed Technical Introduction: Zoomlion ZLJ5440THBBE 56m Concrete Pump Truck (2018, Mercedes-Benz Chassis)
This is a professional introduction for a 2018 model Zoomlion ZLJ5440THBBE, a robust and efficient 56-meter boom concrete pump truck mounted on a reliable Mercedes-Benz chassis. This machine represents a blend of German engineering in the chassis and Chinese innovation in the pumping system, designed for high-rise construction and large-volume concrete pouring projects.
1. General Information
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Manufacturer: Zoomlion Heavy Industry Science & Technology Co., Ltd. (中联重科)
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Model: ZLJ5440THBBE
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Type: Truck-mounted Concrete Placing Boom (Pump Truck)
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Year of Manufacture: 2018
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Condition: Used (Second-hand)
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Chassis Brand: Mercedes-Benz (奔驰)
2. Chassis Specifications (Mercedes-Benz)
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Chassis Model: Typically based on the Mercedes-Benz AROCS 3341 8x4 chassis or similar.
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Engine: Mercedes-Benz OM 470 LA diesel engine.
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Engine Displacement: 10.7 Liters
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Engine Power: Approximately 405 kW (550 HP) / @ 1,800 rpm
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Emission Standard: Euro V (Compliant with stringent emission norms)
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Driving Configuration: 8x4 (Eight wheels, four driven axles)
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Transmission: Mercedes-Benz G280-12 or similar, 12-speed automatic transmission.
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Fuel Tank Capacity: ~400 Liters
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Cab: High-comfort, spacious sleeper cab with air conditioning, designed for long-haul mobility and operator comfort.
3. Pumping System Specifications
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Boom System:
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Boom Length: 56 meters (184 feet)
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Boom Sections: 5-section, RZ-type folding boom (provides excellent flexibility and reach).
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Boom Material: High-strength steel, optimized for light weight and high rigidity.
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Control: Proportional radio remote control, allowing the operator to position the boom safely from the best vantage point.
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Pumping Unit:
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Theoretical Concrete Output: Up to 180 m³/h (varies with pressure setting).
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Maximum Theoretical Vertical Reach: 56m
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Maximum Theoretical Horizontal Reach: ~50m
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Pump Pressure: High-pressure switching capability (e.g., ~ 13.8 MPa / 2000 psi in high-pressure mode for height, lower pressure for high-volume output).
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Cylinder Diameter & Stroke: Typically Ø200mm x 1,600mm or similar.
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S-Valve: High-abrasion-resistant alloy steel casting, ensures smooth concrete flow and long service life.
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Hydraulic System:
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Type: Open-loop hydraulic system.
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Main Pumps: Rexroth or Zoomlion-specified axial piston pumps.
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Hydraulic Oil Cooling: Independent water-cooling system for stable temperature control during continuous operation.
4. Outriggers & Stability
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Type: Front X-type outriggers, rear V-type outriggers.
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Spread: Wide outrigger span ensures superior stability during pumping operations, even at full boom extension.
5. Key Features & Advantages
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Proven Reliability: The combination of the durable Mercedes-Benz chassis and Zoomlion's proven pumping system ensures high uptime and dependability.
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Excellent Reach: The 56-meter boom is ideal for a wide range of projects from mid-rise buildings to large industrial complexes.
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Fuel Efficiency: The Mercedes-Benz powertrain is renowned for its excellent fuel economy and low total cost of operation.
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Advanced Control System: The intelligent control system features fault self-diagnosis, boom vibration damping, and emergency stop functions, enhancing both safety and ease of operation.
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Wide Material Compatibility: Capable of pumping a variety of concrete mixes, including aggregates up to a certain size.
This 2018 Zoomlion ZLJ5440THBBE 56m pump truck is a high-quality, productive asset for any construction company seeking a capable machine for demanding concrete placing applications. Its premium chassis and proven pumping mechanics make it a strong contender in the used equipment market.
