• <p>DUAP Group in brief</p>

DUAP Group in brief

The DUAP Group currently consists of DUAP Switzerland in Herzogenbuchsee, DUAP USA in Miami, and Alliance Diesel Refit in France (ALLIANCE). While DUAP Switzerland and USA are primarily responsible for the production, reconditioning and distribution of our fuel injection systems, ALLIANCE in France is primarly focussing in engine service on ships and on power plants. In this constellation, DUAP Group, with its over 150 employees, has been an important, independent solution provider and development partner for fuel injection systems since many years.

Our values

Our passion is to continuously offer leading solutions in injection technology that are adapted to the latest challenges and to support our customers as a competent industrial partner in the design, manufacture and maintenance of engines. This is the core of our Added Value Sharing Partnership (AVSP) philosophy:

Expertise

Expertise and professionalism in all business areas

Quality

Highest standards in development, production and service

Innovation

Continuous improvement and further development of products

Continuity

Consistent and sustainable growth

Fairness

Fair and favourable results for all parties involved

Sustainability

Development of environmentally sustainable solutions using conscious business practices

Vision

Vision

Our vision is to achieve sustainable success by creating win-win situations for our customers, partners and employees. We focus on small but steady steps forward to develop and continuously improve top products and services. Economy and efficiency are our guiding principles in order to optimise the use of resources and create added value. As a leading independent provider, we strive to deliver innovative solutions to our customers through outstanding expertise and close collaboration with them, exceeding expectations and ensuring the long-term success of all stakeholders.

DUAP history

DAUP, which is owned by a foundation and family, has a rich company tradition and can look back on a history of industrial production spanning more than 80 years.

Founded in Herzogenbuchsee in 1943, the company is still located in the same municipality today. After rapid growth in the post-war period, the company produced injection systems (automotive and large engines) and tooling machines until the 1980s. It then specialised in injection systems. Today DUAP is a technologically leading, independent manufacturer of injection systems for large engines that use diesel or alternative fuels. Through continuous investment in the latest production and measuring machines as well as in our more than 150 specialists, DUAP Group will continue to be a sought-after supplier of high-quality and technically leading injection systems in the future.

    1943

    Foundation

    1956

    Move to the current location

    1985

    Expansion of heat treatment in our own hardening shop

    1996

    Construction of the first piezo common rail injector

    1998

    Launch of our own top products DUATOP

    2000

    Market launch of the CR system DUARAIL with modular design

    2006

    Introduction of RECON in the EFI area

    2008

    Construction of a new 2700 m2 production hall.

    2018

    Anniversary celebration 75 years DUAP and 3rd place at the Swiss-Skills 2018 by our former apprentice J. Bohner.

    2020

    1. Place at the Swiss-Skills 2020 by our then apprentice F. Leuenberger.

    2021

    Participation in today's DUAP subsidiary Alliance Diesel Refit in St. Nazaire, France.

    2023

    Anniversary celebration 80 years of DUAP AG and at the same time 90th birthday of Dr H. O. Geisser.

    2024

    New, big shaft furnace systems in DUAP HARDENING.

    2025

    Installation of first of two new, highly automated Fehlmann milling centres.

    2025

    New, high-precision Kellenberger internal grinding machine.