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PUMI 25-4

Truck Mixer Concrete Pump with 4-Arm Placing Boom

The original PUMI® by Putzmeister combines pump, mixer and placing boom in a single machine. It is an addition to the fleet of truck-mixers held by service and customeroriented suppliers of ready-mixed concrete and significantly extends the range of jobs they can take on: a PUMI® is particularly economic wherever truck-mounted concrete pumps are too expensive or too big and inflexible or wherever truck-mixer conveyor belts are not adequate. In particular, it can be operated cheaply and quickly in small construction sites up to approximately 20 m³.

Key Features

  • Mixer drum from high-strength special steel, extremely wear-resistant over maximum service life
  • 4-arm placing boom with optimised slip characteristics
  • Optional Variable support system
  • Safe operation with a lighting concept for improved illumination of the control points and setup locations
  • Torsion-resistant integral frame ensuring longer service life
  • Various pump technologies available Q, S or CS-pump
  • Userfriendly with modern Ergonic 2 control

Technical Details

General Information

  • Number of sections
  • Boom Style
  • Vertical Reach
    24.5 m
  • Horizontal Reach
    20 m
  • Reach from Front of Truck
    17.3 m
  • Reach Depth
    13.6 m
  • Unfolding Height
    5.5 m
  • End Hose Length max.
    3 m
  • Delivery Line (DN + Pressure) 
    DN125 / 85 bar
  • Nominal Fill
    7 m³
  • Filling Ratio
    60 %
  • Drum Speed
    1-14 rpm
  • Water Tank
    630 l


Rotor Pump R 60

  • Output
    58 m³/hr
  • Delivery Pressure
    25 bar
  • Rotor Hose 
    125 mm

Piston Pump CS

  • Output
    56 m³/hr
  • Delivery Pressure
    57 bar
  • Material Cylinder Diameter-Stroke Length
    230/700 mm
  • Strokes

Piston Pump S

  • Material Cylinder Diameter-Stroke Length
    230/700 mm
  • Output (piston side)
    60 m³/hr
  • Delivery Pressure (piston side)
    83 bar
  • Strokes (piston side)
All data provided is based on experience and depends on the material used. Specifications subject to change without prior notice, no responsibility is taken for the correctness of this information. Other data can be obtained on request.


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425 37 Hisings Kärra
Tel: +46 (0)31 49 80 90
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