Founded in 1864, Deutz AG was the world’s first engine company. Deutz AG is an engine manufacturer, based in Cologne, Germany.Deutz is still one of the world’s leading independent engine manufacturers DEUTZ offers a broad spectrum of liquid-cooled and aircooled engines. The Deutz brand is a firmly established player in the equipment manufacturing and operating industry – and has been for 150 years.Deutz engines are available in the power range 4 to 500 kW, with air, oil or water cooling.