Used Zoomlion 56M Concrete Pump Truck on Mercedes Benz Chassis 2018

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

• Manufacturer: Zoomlion Heavy Industry Science & Technology Co., Ltd. (中联重科)

• Model: ZLJ5440THBBE

• Type: Truck-mounted Concrete Placing Boom (Pump Truck)

• Year of Manufacture: 2018

• Condition: Used (Second-hand)

• Chassis Brand: Mercedes-Benz (奔驰)

2. Chassis Specifications (Mercedes-Benz)

• Chassis Model: Typically based on the Mercedes-Benz AROCS 3341 8x4 chassis or similar.

• Engine: Mercedes-Benz OM 470 LA diesel engine.

• Engine Displacement: 10.7 Liters

• Engine Power: Approximately 405 kW (550 HP) / @ 1,800 rpm

• Emission Standard: Euro V (Compliant with stringent emission norms)

• Driving Configuration: 8x4 (Eight wheels, four driven axles)

• Transmission: Mercedes-Benz G280-12 or similar, 12-speed automatic transmission.

• Fuel Tank Capacity: ~400 Liters

• Cab: High-comfort, spacious sleeper cab with air conditioning, designed for long-haul mobility and operator comfort.

3. Pumping System Specifications

• Boom System:

  • Boom Length: 56 meters (184 feet)

  • Boom Sections: 5-section, RZ-type folding boom (provides excellent flexibility and reach).

  • Boom Material: High-strength steel, optimized for light weight and high rigidity.

  • Control: Proportional radio remote control, allowing the operator to position the boom safely from the best vantage point.

• Pumping Unit:

  • Theoretical Concrete Output: Up to 180 m³/h (varies with pressure setting).

  • Maximum Theoretical Vertical Reach: 56m

  • Maximum Theoretical Horizontal Reach: ~50m

  • 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).

  • Cylinder Diameter & Stroke: Typically Ø200mm x 1,600mm or similar.

  • S-Valve: High-abrasion-resistant alloy steel casting, ensures smooth concrete flow and long service life.

• Hydraulic System:

  • Type: Open-loop hydraulic system.

  • Main Pumps: Rexroth or Zoomlion-specified axial piston pumps.

  • Hydraulic Oil Cooling: Independent water-cooling system for stable temperature control during continuous operation.

4. Outriggers & Stability

• Type: Front X-type outriggers, rear V-type outriggers.

• Spread: Wide outrigger span ensures superior stability during pumping operations, even at full boom extension.

5. Key Features & Advantages

• Proven Reliability: The combination of the durable Mercedes-Benz chassis and Zoomlion's proven pumping system ensures high uptime and dependability.

• Excellent Reach: The 56-meter boom is ideal for a wide range of projects from mid-rise buildings to large industrial complexes.

• Fuel Efficiency: The Mercedes-Benz powertrain is renowned for its excellent fuel economy and low total cost of operation.

• 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.

• 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.