Deutz AG

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Deutz AG
IndustryMechanical engineering
FoundedMarch 31, 1864; 158 years ago (1864-03-31)
FounderNicolaus Otto
Eugen Langen
HeadquartersCologne, Germany
Area served
Key people
Sebastian Schulte (CEO, CFO)
Dietmar Voggenreiter (Chairman of the supervisory board)
ProductsDiesel engines and engine components for agricultural machinery, marine propulsion, automobiles and construction equipment
Revenue€1,479.1 million (2017)
€121.2 million (2017)
Total assets€1.213 billion (2017)
Total equity€599.2 million (2017)
Number of employees
4,560 (2018)[1]

Deutz AG is a German internal combustion engine manufacturer, based in Porz, Cologne, Germany.


Deutz AG production plant in Porz
(Downpatrick & Co Down Railway)
Deutz F1 M414 tractor (1939)
Magirus Israeli firefighter car
Diesel locomotive type KHD T4M 625, 1954

The company was founded by Nicolaus Otto, the inventor of the four-stroke internal combustion engine, and his partner Eugen Langen on 31 March 1864, as N. A. Otto & Cie, later renamed to Gasmotoren-Fabrik Deutz after moving operations in 1869 from Cologne to Deutz, located on the opposite side of the Rhine, also called "the wrong side" in Cologne.

In the early years, Otto and Langen were only interested in production of stationary engines, not automobiles.[2] The technical director, Gottlieb Daimler, was eager to produce automobiles. In the middle of the 1870s, it was suggested that he transfer to the company's St. Petersburg factory to reduce his influence. He resigned, taking Wilhelm Maybach with him.[2] Deutz also produced agricultural machines such as combine harvesters and tractors, as well as commercial vehicles such as trucks and buses.

In 1884 Edouard Sarazin, a Belgian patents lawyer and pioneer of automotive engineering, represented 'Gasmotorenfabrik Otto & Langen' (Deutz AG) and acquired the licence to build Deutz engines in France, which he duly contracted to Perin, Panhard & Cie (later Panhard et Levassor) in Paris. Around 1886/7 he similarly acquired licences to build Daimler engines. His untimely death in 1887 left his widow Louise to develop the business relationships and complete the partnership negotions.[3][4]: p.11 : p.14 [5]: p.101 [6]

Famous people who have worked for Deutz include Eugen Langen, Nicolaus Otto, Gottlieb Daimler (from 1872 until 1880), Wilhelm Maybach (from 1872 until 1880), Prosper L'Orange (from 1904 until October 1908), Ettore Bugatti (in 1907), and Robert Bosch.

During World War II, the company was ordered to produce artillery and operated under the name Klöckner Humboldt Deutz AG (KHD).[citation needed] The factory was almost destroyed by an air raid on the night of the 3rd and 4th of July 1943 (→ Bombing of Cologne in WW II).[7]

From 1892 to 1970, Deutz built locomotives in the power range from 4 HP to 2000 HP; until 1927 with gasoline engines, from 1927 increasingly with diesel engine drive.

Commercial vehicles powered by Deutz engines were popular from 1960 to 1980. Fire engines built by Magirus in Ulm, Southern Germany, used an M-shaped logo, with the steeple of the world's tallest church, the Ulm Minster, in its center. After the Magirus-Deutz merger, the company continued to use this logo even though the twin towers of the Cologne Cathedral can be seen from the company headquarters.

Deutz's head office is in the Porz district of Cologne and, as of 2004, was manufacturing liquid and air-cooled diesel engines. The larger engines in the Deutz range were manufactured in Mannheim, at a production facility that once belonged to Süddeutsche Bremsen-AG as MWM-Diesel. Deutz also has production facilities in other countries, including Spain, and a joint venture production facility in China. After Deutz took over, the plant specialised in marine engines. This facility now produces engines for marine and power generation which can run on either fuel oils or fuel gases (including landfill gas). In 1995 Deutz sold its agricultural machinery division – Deutz-Fahr – to the Italian company SAME, forming SAME Deutz-Fahr.

In February 2022, CEO Frank Hiller was replaced and dismissed by the supervisory board. He was replaced by Sebastian Schulte. Chairman of the Supervisory Board Bernd Bohr resigned. His successor was Dietmar Voggenreiter.[8]

The engines[edit]

Deutz engines are available in the power range 4 to 500 kW, with air, oil or water cooling and with life expectancy of 20,000 and 30,000 running hours TBO (Time Between Overhauling) on rebuilt and brand-new units.

Parts and service are available worldwide. In the United States and Canada, a network of distributors was established a few years ago, providing parts and service in North America.

Deutz-powered air-cooled machines are well-suited for many applications since they cannot freeze or boil-over during normal operation.

Deutz also manufactures oil-cooled engines. These can provide the same power as other engine designs, but in a smaller package, since they don't require the additional space to house a radiator.[citation needed] Deutz also makes engines with a tandem oil cooler/radiator configuration; these also do not require antifreeze or coolant agents.

Deutz also sells a line of economical liquid-cooled engines.

In 2007, the "Deutz Power Systems" division was sold to 3i, and Deutz AG now concentrates on producing and selling compact engines under the Deutz brand only. They are focusing on manufacturing engines only for the customer, without competing for the entire piece of finished machinery.

On October 1 2008, the former Deutz Power Systems division received a new, old, name MWM (Motoren Werke Mannheim AG). The company traces its roots to Karl Benz, who set up the foundations of the company in 1871. After splitting the engine business off from Benz AG, it became Motoren-Werke Mannheim AG. Klöckner-Humboldt-Deutz AG took over in 1985, later becoming Deutz AG. After spinning off Deutz Power Systems, the company has made a full circle back to MWM.[9]

In 2012, SAME Deutz-Fahr sold a majority of its holding in Deutz AG to Volvo, selling more than 22 million shares. This put Volvo's ownership at just over 25%, and made them the largest share-holder. SAME Deutz-Fahr retained 8.4% equity in the company.[10]

In 2017, Deutz acquired Torqeedo[11] GmbH, specialist for integrated electric and hybrid drives for boats. In the same year, Volvo sold all of its ownership stakes in Deutz.[12]

Former business[edit]

Locomotive and wagon construction (1892-1970)[edit]

Until the 1950s, only small locomotives (e.g. light rail locomotives) were produced. After the interest group formed in 1953 with the United Westdeutsche Waggonfabriken AG (Westwaggon) and their final takeover in 1959, KHD was also able to build large bogie diesel locomotives.

  • Class V60 of the Deutsche Bundesbahn from 1957
  • Class V100 of the Deutsche Bundesbahn from 1961
  • Class V160 of the Deutsche Bundesbahn from 1966
  • Class V90 of the Deutsche Bundesbahn from 1967

Other types of construction for industrial and private railways were also produced between 1959 and 1970, including:

  • Type KHD PMZ122R from 1929
  • Types KHD A4M 220 R / 420 R from 1934
  • Type KHD A6M 324 R from 1934
  • Type KHD A8M 324 R type C from 1938
  • Type KHD A2L 514 R from 1952
  • Type KHD A8L 614 R from 1953
  • Type KHD T8M 625 R 1956
  • Type KHD DG 2000 BBM 1956
  • Type KHD DG 2000 CCE 1957
  • Type KHD KS 55 B from 1958
  • Type KHD MS 800 D 1959
  • Type KHD DG 1000 BBM from 1959
  • Type KHD DG 1200 BBM from 1960
  • Type KHD DG 1600 CCM from 1959
  • Type KHD DG 2000 CCM from 1963
  • Type KHD DG 1500 CCM 1970


  1. ^ "Deutz company profile". Retrieved September 25, 2019.
  2. ^ a b Georgano, G.N. Cars: Early and Vintage, 1886-1930. (London: Grange-Universal, 1985)
  3. ^ Motor Museum in Miniature - Louise Sarazin
  4. ^ James M. Laux: In First Gear. The French automobile industry to 1914. McGill-Queen’s University Press, Montreal 1976, ISBN 0-7735-0264-5.
  5. ^ Reinhard Seiffert: The era of Gottlieb Daimler(Die Ära Gottlieb Daimlers).
  6. ^ "Daimler | Leaders and Personalities". Louise and Edouard Sarazin. Archived from the original on 9 November 2013. Retrieved 9 November 2013.
  7. ^ "Archived copy". Archived from the original on 2017-12-22. Retrieved 2017-12-19.{{cite web}}: CS1 maint: archived copy as title (link)
  8. ^ Müller-Arnold, Benedikt. "Deutz und die Frauenquote: Wie töricht sich Männer anstellen können". Sü (in German). Retrieved 2022-07-19.
  9. ^ "Archived copy". Archived from the original on 2008-11-02. Retrieved 2008-11-03.{{cite web}}: CS1 maint: archived copy as title (link)
  10. ^ "Archived copy". Archived from the original on 2012-11-24. Retrieved 2012-07-24.{{cite web}}: CS1 maint: archived copy as title (link)
  11. ^ "Deutz acquired Torqeedo".
  12. ^ "AB Volvo has sold its investment in DEUTZ AG". Retrieved 7 July 2021.

External links[edit]