Putzmeister history from 1976 to 1980
1976
- Development of the P 11 worm pump with variable output and fully hydraulic drive.
1977
- High-rise concrete pumping world record - 310 m at the .
- Commencement of industrial pump manufacture as a third major product group.
1978
- World record: concrete pumped to a height of 340 m over a total distance of 600 m in the St. Gotthard Tunnel (Switzerland).
1980
- Establishment of the 4th product group: Tunnel Machines.
