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Zoomlion 73-meter 5-Axle Concrete Pump Truck

The Zoomlion ZLJ5552THBKF 73X-6RZ is a high-performance 73-meter concrete pump truck designed for high-rise buildings, bridges, and infrastructure development projects. Featuring a 6-section RZ folding boom, it offers exceptional flexibility and reach for large-scale operations. Built on a powerful 10x4 chassis, the truck ensures stability and efficient maneuverability. Equipped with advanced hydraulic systems and intelligent control technology, it delivers precise, consistent concrete placement. With a robust pumping system and a maximum output of up to 180 m³/h, the 73X-6RZ is reliability, efficiency, and ease of operation. 

Key Features

  • 1. Long Reach Boom System

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    The pump features a 6-section RZ folding boom configuration, allowing for exceptional flexibility and coverage. The RZ design combines roll and Z-type folds, enabling the boom to maneuver easily in tight urban job sites or high-rise constructions. With a vertical reach of 73 meters and a horizontal reach of around 67 meters, the pump can easily access hard-to-reach pouring areas without repositioning the truck.
  • 2. Powerful and Efficient Pumping System

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    The 73X-6RZ is equipped with Zoomlion’s high-pressure S-valve pumping system, delivering a maximum output of up to 180 m³/h and a maximum pressure of over 10 MPa. The system ensures smooth concrete flow with minimal blockages, enabling consistent and reliable performance even when handling high-strength or low-slump concrete mixtures.
  • 3. Advanced Hydraulic and Control Systems

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    Zoomlion integrates advanced load-sensing hydraulic technology that improves energy efficiency and extends component life. The truck also features an intelligent control system with real-time monitoring of boom position, pumping parameters, and error diagnostics. The remote control panel enhances operator convenience and safety, allowing for fine-tuned boom operation and on-site adjustments.
  • 4. Strong and Reliable Chassis

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    Mounted on a robust 10x4 chassis, the 73X-6RZ provides excellent stability during operation. The truck frame is optimized to balance weight distribution and reduce stress during boom extension. This foundation ensures safety and operational reliability even under challenging working conditions.
  • 5. Safety Features

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    Safety is a top priority in the design. The truck includes boom anti-vibration technology, auto-retraction, emergency stop functions, and outrigger monitoring systems. These features help prevent accidents, reduce operator fatigue, and ensure smooth boom operation at extreme heights.

Main technical parameters

Item

Value

Power Type

Diesel

Brand Name

ZOOMLION

Max. vertical conveying distance

73M

Max. horizontal conveying distance

66.8M

Productivity

170M³/H

Maximum theorical output

170M³/H

Maximum concrete outlet pressure

11.3 MPa

Rated working pressure

42 MPa

Concrete pump type

Diesel Pump

Pumping frequency

28 min-1

Pipeline diameter

125mm

Distribution valve

S valve

Slump Maximum

40 mm

Structural form

73X-6RZ

specifications

Rotation angle

±270°

Arm Angle

90°/180°/180°/240°/195°/180°

Delivery pipe diameter

125MM

Chassis model

ZZ5556V52KMF1

Engine Model

MC13.54-61

Water tank capacity

800L

Engine rated power

400/1900kW/(r/min)

Exhaust emission standards

National VI

Lubrication method

Energy-saving automatic lubrication

Control method

Manual + remote control

Hydraulic circuit

Closed

Product details

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