Introduction to PUMI® Truck-Mixer Concrete Pumps: The PUMI® by Putzmeister integrates a pump, mixer, and placing boom into one machine, ideal for small construction sites where larger pumps are impractical. It offers economic concreting with flexibility and efficiency.

Specifications and Features: The PUMI® features a rotor pump for quiet operation and easy cleaning, handling materials like steel fiber and lightweight concrete. The piston pump variant provides high delivery pressure, suitable for long hose lines.

Models and Technical Data: Models like the PUMI® 21-3, 24-3, and 26-3 offer varying boom reaches and payloads, suitable for different concrete mixes. Key data includes vertical/horizontal reach, unfolding height, and support width.

Ergonic® Control System: Ergonic® modules enhance productivity by regulating key components, reducing noise, fuel consumption, and wear through systems like EPS, EOC, and EMC.

Maintenance and Service: Putzmeister provides a strong service network and training via the Putzmeister Academy. The PUMI® is designed for easy maintenance with accessible service points and durable components.

Conclusion: PUMI® truck-mixer concrete pumps offer a versatile, efficient solution for small sites, combining advanced technology with ease of use.

Technical Specifications: The document details technical data for the PUMI® fleet, focusing on placing booms and pump systems, using high-strength steel and wear protection.

Placing Booms: Models TMM 21-3 to TMM 31-4 are categorized by type, with specifications like delivery line diameter, reach, and support width.

Pump Systems: Includes rotor and piston pumps with details on types, installation, output, and delivery pressure. Maximum delivery rates and pressures cannot be operated simultaneously.

Additional Information: Contact information for Putzmeister Concrete Pumps GmbH is provided, along with a disclaimer on technical amendments.