The latest generation of PUMI with the longest placing boom and the most powerful concrete pump

At Bauma 2025, Putzmeister will be showing the PUMI 31-4.79 S. This truck mixer concrete pump has a 4-arm placing boom with a reach height of 30.1m, a concrete pump installed longitudinally in the chassis with a maximum delivery rate of 92 m³/h and a truck mixer drum with 9 m³ nominal volume. The PUMI on the booth is built on a Mercedes Benz chassis MB AROCS 4151 B 8x4/4-4250, Euro6.

PUMI Truck mixer concrete pump 31-4.79 S

The PUMI advantages at a glance:

Powerful and smooth-running S-piston pump, longitudinally installed with 1,000m stroke and up to 92m³/h flow rate.
Low overhang, especially for mixing plants with limited space conditions
9m³ mixer drum made of high-strength special steel, particularly wear-resistant with maximum service life
Optionally available for dry concrete with 7 m³ drum
4-arm placing boom with best slip properties and extremely precise operation
Wear-resistant delivery lines DN100 adapted to the load
Easy operation thanks to Ergonic® 3
Fullflex, full flexible support with iBC (intelligent Setup Control)
Robust mechanics of all core components designed for continuous operation
Minimal maintenance and service costs thanks to maintenance-free components, Putzmeister standard components and optimum accessibility