International Indústria Automotiva da América do Sul Ltda. is a Brazilian company specialised in the manufacturing of

diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-cal ...

s for automotive applications. Until 2005, it was known as MWM Motores Diesel Ltda.

History

MWM was founded as Motoren Werke Mannheim AG in Germany in 1922 and established its subsidiary in Brazil in 1953 to circumvent harsh import restrictions and high import tax rates. In 1985 parent company MWM was bought by Klöckner-Humboldt-Deutz AG (KHD) and in March 2005 the subsidiary was sold to Navistar International. Now called "MWM International Ind. de Motores da America do Sul Ltda.", has three manufacturing plants: one in Santo Amaro in

São Paulo São Paulo (, ; Portuguese for ' Saint Paul') is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the GaW ...

(headquarters),

Canoas Canoas (), which earned city status in 1939, is a municipality in the Brazilian state of Rio Grande do Sul. With more than 340,000 inhabitants, it is part of the Porto Alegre conurbation and has the second highest GDP in the state. It is also th ...

Rio Grande do Sul Rio Grande do Sul (, , ; "Great River of the South") is a state in the southern region of Brazil. It is the fifth-most-populous state and the ninth largest by area. Located in the southernmost part of the country, Rio Grande do Sul is border ...

, and Cordoba in

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the List of South American countries by area, second-largest ...

. MWM is said to have a 36% market share for diesel engines, by number of engines produced.

Engines

MWM engines power the local versions of the Chevrolet Grand Blazer,

Nissan Xterra The Nissan Xterra is a truck-based compact SUV manufactured and marketed by Nissan from 1999–2015 across two generations; the first (1999–2004) sharing a platform as well as front bumper, hood, A-pillar, windshield and front doors with the ...

and Ford F250, among others. MWM diesels were also used to power the locally developed Puma trucks. There is common confusion between 2.8L MWM Sprint and the 2.8L Powerstroke. The first engine is a MWM project with 3 valves per cylinder and overhead camshaft and the second is an evolution of the Land Rover 2.5L diesel, built under licence by Ioschpe-Maxion (then, International Engines, who merged with MWM). The MWM Sprint has 3 versions: 2.8L and 3.0L 4-cylinders, and a 6-cylinder 4.2L, all of them high speed engines. Volkswagen Caminhões e Ônibus have a long relationship with MWM Motores Diesel Ltda. When Volkswagen Trucks and Buses took over Chrysler's Brazilian truck plant in 1980,

Volkswagen Group Volkswagen AG (), known internationally as the Volkswagen Group, is a German multinational automotive manufacturer headquartered in Wolfsburg, Lower Saxony, Germany. The company designs, manufactures and distributes passenger and commercia ...

kept the original MWM engines for their new truck ranges. In 1996, Volkswagen Trucks and Buses opened their new Resende plant in Brazil, with the new Modular Consortium system, MWM took charge of the Powertrain line with Resende.

Technological innovations

One technological innovation presented at the congress is the bus equipped with a Diesel + Natural Gas system, strategically displayed to connect Volkswagen Truck and Bus and

Delphi Automotive Aptiv PLC is an Irish-American automotive technology supplier with headquarters in Dublin. Aptiv grew out of the now-defunct American company, Delphi Automotive Systems, which itself was formerly a component of General Motors. History The com ...

booths. The project was developed by MWM INTERNATIONAL in partnership with these two companies, and is the first diesel-gas system in Brazil. The vehicle is a Volkswagen Truck and Bus, 17 tons, with a 6.10 TCA MWM International engine. The fuel system is electronically controlled to combine diesel and gas. The bi-fuel is only one of the alternative fuel projects involving MWM International. Another of the company's projects, tests the natural gas + diesel in Acteon 6.12 TCE engine adapted to Otto cycle, and which already presents positive results such as fuel economy and emissions reduction. There are also tests with Biodiesel. In the first semester of 2006, vehicles in this project – a VW 17.210 OD bus equipped with an Acteon electronic engine and two trucks, the VW 8.120 and VW 8.140, exceeded 100,000 kilometers testing.

Company milestones

*1953 – Start-up of operations in Brazil; *1995 – Inauguration of Jesus Maria (Córdoba – Argentina) industrial plant; *1995 – Inauguration of Canoas (Rio Grande do Sul – Brazil) industrial plant; *2001 – Launching of the 2.8 litre Sprint Electronic 4.07 TCE engine family; *2004 – Launching of the 4.12 TCE and 6.12 TCE Acteon electronic engine family; *2005 – Launching of the NGD 3.0E electronic engine; *2005 – Production of the 3.0 litre 4.08 TCE Sprint engine; *2005 – Conformation of MWM INTERNATIONAL Motores as a result of the merger of MWM Motores Diesel and International Engines South America; *2005 – MWM (Brazil) was bought by

Navistar International Navistar, Inc is an American holding company created in 1986 as the successor to International Harvester. Navistar operates as the owner of International-branded trucks and diesel engines. The company also produces buses under the IC Bus ...

in March 2005. *2022 - Tupy S.A. announced the acquisition of 100% of the assets of MWM do Brasil.

References

External links