Mixer truck-mounted truck-mounted concrete pump PUMI® 25-4

for constructionpiston

Overview
The original PUMI® by Putzmeister combines pump, mixer and placing boom in a single machine. It complements truck-mixer fleets of service-oriented ready-mix suppliers and extends the range of jobs, offering an economical and compact solution for small sites up to approx. 20 m³.

Key Features

• 4-arm placing boom with optimised slip characteristics
• Torsion-resistant integral frame for increased durability
• Improved lighting concept for safer operation at control points and setup locations
• Ergonic 2 control for intuitive operator handling
• Mixer drum made of high-strength special steel for maximum wear resistance
• Multiple pump technologies available: Q, S or CS
• Optional variable support system for flexible setups

General Information

• Number of boom sections: 4
• Boom style: Z-folding
• 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: DN125 / 85 bar
• Nominal fill: 7 m³
• Filling ratio: 60 %
• Drum speed: 1–14 rpm
• Water tank capacity: 630 l

Configuration / Pump Variants

• Piston Pump S: cylinder 230/700 mm; output (piston side) 60 m³/hr; delivery pressure 83 bar; strokes 32
• Piston Pump CS: cylinder 230/700 mm; output 56 m³/hr; delivery pressure 57 bar; strokes 32
• Rotor Pump R60: output 58 m³/hr; delivery pressure 25 bar; rotor hose diameter 125 mm

Technical Specifications

• Model: PUMI® 25-4
• Product type: Truck mixer concrete pump with 4-arm placing boom
• 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: DN125 / 85 bar
• Nominal fill: 7 m³
• Filling ratio: 60 %
• Drum speed: 1–14 rpm
• Water tank: 630 l
• Number of boom sections: 4
• Boom style: Z-folding
• Piston Pump S: 230/700 mm cylinder; 60 m³/hr; 83 bar; 32 strokes
• Piston Pump CS: 230/700 mm cylinder; 56 m³/hr; 57 bar; 32 strokes
• Rotor Pump R60: 58 m³/hr; 25 bar; 125 mm rotor hose