Deutz AG

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Deutz AG (FWB: DEZG) is a German engine manufacturer. The company was founded by Nikolaus Otto, inventor of the four-stroke internal combustion engine, in 1848 as N. A. Otto & Cie. Other famous names who worked for Deutz in the past are Eugen Langen, Gottlieb Daimler, Wilhelm Maybach, Prosper L'Orange and Ettore Bugatti.

In the early years, neither Otto nor his partner, lawyer Eugen Langen, were interested in automobiles, only stationary engines.^[1] In the middle 1870s, technical director Gottlieb Daimler, agitating for production of automobiles, was transferred to the company's St. Petersburg factory to reduce his influence. He resigned, taking Wilhelm Maybach with him.^[2]

Deutz once also produced agricultural machines like combines and tractors as well as commercial vehicles such as lorries and buses. (Deutz sold the agricultural machinery division to SAME (Società Accomandita Motori Endotermici), an Italian company.) The company's head office is located 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 are manufactured in Mannheim. The production facility there in Mannheim once belonged to a company called MWM. Deutz also have 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).

During World War II, the company was ordered to produce artillery and operated under the name Klöckner Humbolt Deutz AG, although both names have been used ever since, even by the company itself, until recently.

Deutz engines are available in the power range 4 to 4000kW, with air, oil or water cooling.

Parts and services are available around the world. In the United States and Canada, a network of distributors was established a few years ago, providing parts and service in North America to support the growing customers throughout all areas.

Deutz-powered commercial vehicles were popular in the years 1960-1980, sold under the brand name Magirus Deutz.

Deutz powered equipment is being used in North America much more frequently due to the simplicity of their air-cooled designs. The air-cooled engines are well-suited for many applications since they cannot freeze or boil-over during normal operation.

Deutz is also being recognized and sought after for their oil cooled engines, as these can provide the same power as other engines but in a smaller package since they don't require the additional space to house a radiator. Deutz also makes engines with a tandem oil cooler/radiator configuration; these also do not require antifreeze or coolant agents.

Many people do not realize that Deutz also has a very strong line of liquid-cooled engines, which are pleasantly economical. This allows them to be strong competitors on the engine market.

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