2016 Zoomlion 52M Concrete Pump Truck on Mercedes-Benz Chassis 52 Meters

Professional Listing: Used Zoomlion ZLJ5331THB 52X-6RZ Concrete Pump Truck

Overview:
We are offering a well-maintained 2013 Zoomlion 52-meter boom concrete pump truck mounted on a robust Mercedes-Benz chassis. This unit has recently undergone comprehensive basic refurbishment and is presented in excellent mechanical and operational condition, ready for reliable service on your next project. It represents a cost-effective solution for high-reach concrete placing needs in construction, infrastructure, and industrial applications.

Key Specifications & Features:

• Manufacturer & Model: Zoomlion ZLJ5331THB 52X-6RZ

• Year of Manufacture: 2013

• Condition: Used | Excellent Mechanical Condition | Post-Refurbishment

Chassis Details:

• Chassis Brand: Mercedes-Benz

• Chassis Model: Actros 3341 (Typical for this model year)

• Engine: Mercedes-Benz OM 501 LA V6 Turbocharged Diesel Engine

• Displacement: 11,946 cc

• Horsepower: Approximately 408 HP (300 kW)

• Emission Standard: Euro III / Euro IV (Region dependent)

• Transmission: 9-speed Automatic Transmission (Mercedes Powershift)

• Cab: High-roof sleeper cab with air conditioning, designed for operator comfort.

Pumping System:

• Boom System:

  • Boom Length: 52 meters (approx. 171 feet)

  • Boom Sections: 6-section, RZ-type folding boom

  • Boom Material: High-strength steel

  • Control: Proportional radio remote control + manual backup controls.

• Pumping Unit:

  • Theoretical Concrete Output: Up to 120 m³/h (varies with mix design and pipeline setup)

  • Maximum System Pressure: 8.7 MPa

  • Cylinder Diameter & Stroke: Φ200 × 1400 mm

  • Hopper Capacity: 600 L

  • S-Valve Design: Provides smooth concrete flow and excellent sealing, capable of handling aggregates up to 40mm.

Performance Parameters:

• Max Vertical Pumping Height: 49.7 m

• Max Horizontal Pumping Distance: 45.2 m

• Line Pipe Diameter: Φ125 mm (standard)

• Outrigger Span: Front: ~6.5m / Rear: ~8.7m (provides exceptional stability)

Recent Refurbishment (Basic):
This unit has completed a foundational reconditioning process to ensure reliability. Work included:

• Mechanical Service: Full engine oil and filter change, hydraulic system service, and transmission fluid check.

• Pumping System Check: Inspection and replacement of worn wear parts (e.g., cutting rings, seals, and delivery cylinder cups).

• Hydraulics: Inspection for leaks, replacement of critical hoses, and hydraulic oil/filter change.

• Structural Inspection: Visual and non-destructive testing (NDT) check on the boom structure and outriggers for integrity.

• Electrical & Control Systems: Diagnostic check of the control system, calibration of pressure sensors, and testing of the radio remote control.

Summary:
This 2013 Zoomlion 52m pump truck is a powerful and proven workhorse. The combination of the dependable Mercedes-Benz chassis and Zoomlion's efficient pumping technology makes it a highly desirable asset. The recent basic refurbishment ensures it is in solid working order, offering tremendous value for contractors seeking a capable high-reach pump without the cost of a new machine.

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