please help improve it or discuss these issues on the talk page . learn how and when to remove these template messages this article includes a list of references but its sources remain unclear because it has insufficient inline citations . please help to improve this article by introducing more precise citations . april 2013 learn how and when to remove this template message this article relies too much on references to primary sources . please improve this by adding secondary or tertiary sources . april 2013 learn how and when to remove this template message learn how and when to remove this template message mahle gmbh type gmbh industry automotive founded 1920 headquarters stuttgart germany products automotive parts number of employees 76 000 2016 1 website www.mahle.com mahle gmbh is an automotive parts manufacturer based in stuttgart germany . it is one of the largest automotive suppliers worldwide . 2 as a manufacturer of components and systems for the combustion engine and its periphery the company is one of the three largest systems suppliers worldwide for engine systems filtration electrics mechatronics and thermal management . 3 in 2014 mahle gmbh sales amounted to nearly 10 billion . 4 mahle in stuttgart bad cannstatt as of 2016 update its 76 000 employees work in 170 production plants and thirteen research and development centers in germany great britain united states brazil japan china and india . worldwide 5000 development engineers and technicians work as partners for mahle s customers on new products and systems . 5 6 contents 1 history 1.1 formation 1.2 aluminium engines 2 product lines and profit center 3 see also 4 references 5 external links 5.1 video clips history edit this section does not cite any sources . please help improve this section by adding citations to reliable sources . unsourced material may be challenged and removed . april 2013 learn how and when to remove this template message formation edit in 1920 the engineer and pilot hellmuth hirth established together with others a small workshop in cannstatt where he developed and constructed a two stroke engine . 26 year old hermann mahle started working for hellmuth hirth on december 1 1920 as the company s seventh employee . the workshop was then called versuchsbau hellmuth hirth . december 1 1920 is acknowledged as the birthday of today s mahle group . it soon became clear that the workshop would not survive by only conducting engine tests . so the need arose to build a profitable line of production in order to finance ongoing engine tests . at that time in the automobile production pistons were generally made of cast iron . versuchsbau hellmuth hirth decided to attempt to build light alloy pistons for combustion engines . on november 1 1922 hermann mahle s brother ernst mahle joined the factory as head of engineering . in 1924 the company was renamed elektrometall gmbh . in 1927 the company developed the first controlled expansion piston in germany and in 1931 the world s first aluminum ring carrier piston for diesel engines . following this piston technology was steadily improved . in 1938 the conversion into mahle kg took place and the new company logo was introduced . the company expanded . new products were developed and produced e.g. aluminium cylinders with cromal chrome plating surface coatings in 1951 . in 1964 the company founders hermann and ernst mahle decided to waive private ownership in their companies and make the companies part of a foundation for public benefit . they renounced the largest part of their personal property and transferred the company shares to the mahle foundation . aluminium engines edit in 1976 mahle placed the first european aluminum engine blocks made in low pressure die casting ready for series production . in 1988 the composite camshaft is enhanced to production standard and in 2001 mahle presented a cooling concept for pistons in high speed passenger car diesel engines . the first all plastic oil filter in the world followed in 2003 . mahle developed and constructed its first complete engine in the same year which was applied in the formula student . today mahle is a predominant system supplier for components of piston systems cylinder components valve train systems air management systems and liquid management systems for all well known automobile manufacturers . in 2010 the mahle group generated sales in excess of 5.2 billion . citation needed in 2011 the mahle group generated sales in excess of 6.0 billion . citation needed product lines and profit center edit this section does not cite any sources . please help improve this section by adding citations to reliable sources . unsourced material may be challenged and removed . april 2013 learn how and when to remove this template message mahle gmbh is split into business units and profit centers as follows business units 7 engine systems and components this business unit supplies the global automotive industry with piston and valve train components and cylinder components . filtration and engine peripherals develops and produces components and systems for automotive air and liquid management . thermal management components modules and systems for vehicle air conditioning and engine cooling . aftermarket our extensive spare parts range for vehicle maintenance and engine repair represents uncompromising oem quality . profit centers 8 engineering services motorsports and special applications development services ; engine components for motorsport and high performance road vehicles ; cylinder head assembly ; small lot engine building . large engine components pistons piston rings and pins as well as cylinder liners for large engines which are used in the fields of power generation marine applications and railroad transportation . small engine components engine components for industrial applications and recreational vehicles . industrial filtration filters and filtration systems for air liquids and pastes in industrial installations . actuators mechatronic components such as electric wastegate actuators which are used to control the boost pressure in turbocharged engines or heating elements for fuel filters . electric drives and applications 1 innovative electric motors alternators and electric and mechatronic drive systems . electric drives and applications 2 electric dc motors for abs and esc units bldc motors for steering assistance and electric motors for industrial applications ; ignition components alternators and fuel injection systems for small engines . industrial thermal management products for the engine cooling and air conditioning of agricultural machinery buses and special vehicles ; cooling systems for railroad vehicles and large engines . control units operator controls software and power electronics for air conditioning systems . see also edit mahle powertrain references edit http www.mahle.com mahle en about mahle data & facts automotive news top suppliers http www.mahle.com mahle en about mahle http www.mahle.com mahle en about mahle data & facts http www.mahle.com mahle en about mahle http www.mahle.com mahle en about mahle data & facts http www.mahle.com mahle en about mahle group organization http www.mahle.com mahle en about mahle group organization external links edit wikimedia commons has media related to mahle . mahle group mahle north america mahle test systems mahle powertrain video clips edit mahle youtube channel v t e automotive industry in germany automotive industry economy of germany transport in germany companies active vehicle producers bmw bmw i bmw motorrad borgward daimler mercedes benz setra evobus smart maybach gumpert krauss maffei rheinmetall rmmv volkswagen group audi man rmmv porsche volkswagen volkswagen commercial vehicles foreign owned ford of europe ford werke iveco magirus opel hyundai europe defunct vehicle producers auto union dkw horch nsu wanderer trabant hansa goliath north german automobile and engine artega automobile fuldamobil goggomobil components atr behr bosch blaupunkt etas group bbs b hler motor continental dr xlmaier group d rr ag getrag hella hermann peters kspg l we automobil mahle mann hummel petri schaeffler voith zf friedrichshafen zf sachs motorsport and tuners abt sportsline ac schnitzer alpina amg bitter brabus bmw m carlsson g power gemballa hartge je design koenig specials mansory opel performance center ppi automotive design quattro rieger tuning ruf automobile steinmetz opel tuning services daimler financial services mercedes benz bank sixt related topics adac ami leipzig asam dtm frankfurt motor show german association of the automotive industry n rburgring defunct companies and marques above are shown in italics retrieved from https en.wikipedia.org w index.php title mahle gmbh & oldid 741712503 categories auto parts suppliers of germanyautomotive transmission makerscompanies established in 1920manufacturing companies based in stuttgartgerman brands1920 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