Knauf PFT Knauf PFT

50 years. The original. G 4.

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For us, the year 2025 is all about the G 4.

Exactly 50 years ago, we filed a patent application for the first PFT G 4 mixing pump.

At the 1975 stucco trade fair in Düsseldorf, we presented an innovative mixing and plastering machine for the first time. Even the greatest optimists at the time could not have imagined the lasting success that this machine pump design would enjoy.

Even 50 years later, the G 4 has lost none of its popularity. We are celebrating 2025 together with you! This anniversary is a special occasion for us to pay tribute to all those who have made this success possible:

You - our customers, who have shown courage and foresight in opting for modern technology.

You - our employees, who stand for quality, reliability and service.

You - our service partners worldwide, who support us in a fair and trusting cooperation.

Let us inspire you and join us in an exciting year full of exciting #50YearsG4 activities.

#50YearsG4 #pfteam #pffeiert #pftparty #pftcelebration

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  • 1974: The birth

    1974: The birth

    The success story of the PFT G 4 began in 1974 in a small workshop in Siersburg, when the first prototype was developed and tested. The machine was presented internally on January 18, 1974 and underwent an intensive test phase. Originally, the G 4 was yellow, but from July 1975 the color changed to the now familiar pure orange (RAL 2004).

  • 1975: Market launch and start of production

    1975: Market launch
    and start of production

    In May 1975, the PFT G 4 celebrated its official market launch at the stucco trade fair in Düsseldorf, and series production started in Iphofen in the same year. The first ten machines were produced as early as October. A particular advantage of the G 4 was its modular design, which made it possible to transport two machines in one station wagon - a decisive factor for tradesmen.

  • 1980: A bestseller

    1980: A bestseller

    G 4 conquers the market Success was not long in coming: by the end of 1980, over 8,000 machines had been sold, and the innovative system from PFT and Knauf, which perfectly matched machine and material, made a significant contribution to this. The 20,000th machine was produced in 1990, followed by the 30,000th in 1992, and by 1994 production had exceeded the 35,000 mark.

  • 1995: Golden times for the G 4

    1995: Golden times
    for the G 4

    Another milestone was reached in 1995 when the 40,000th G 4 was sold to Schmück GmbH + Co. To celebrate this success, a special golden edition was launched, of which 1,000 were produced. The demand was enormous: 445 of these exclusive machines were ordered within a week.

  • 2013 - The G 4 neXt generation

    2013 - The G 4 neXt generation

    Almost four decades after its premiere, the G 4 was technically enhanced and presented as the “neXt generation” - proof of continuous progress and innovative strength.

  •  2019: The oldest PFT G 4

    2019: The oldest PFT G 4

    The oldest PFT G 4 still in working order In 2019, the oldest PFT G 4 still in working order was sought in a spectacular scrapping campaign - impressive proof of the machine's longevity and quality. One year later, in 2020, the special “G 4 Gold” campaign honored the decades-long success story of this proven model.

  • 2025 - 50 years of PFT G 4

    2025 - 50 years of PFT G 4

    Half a century of PFT G 4 - 2025 is all about the big anniversary. The success story continues! From the first idea to the current generation - the PFT G 4 remains the epitome of efficient and reliable mixing pump technology. Depending on the version, the PFT RITMO L smart is available with an integrated water pump or with a vibrator and accessories - well thought-out in the system - flexible in detail, like all machines in the series.

bauma 2025 –
Be part of it!

bauma 2025 in Munich stands for innovation,
exchange and inspiration - and PFT is proud to be
to be part of this unique event.

Find out more