GRAZ, Austria - AVL List GmbH is the largest privately owned engine development and testing company in the world. It has 25 subsidiaries and 15 engineering offices around the world, including facilities in Detroit, Tokyo and Beijing.
The automotive division's 1997 sales were about Sch2.8 billion ($224 million). The family-owned firm is headed by Helmuth List. AVL's founder Hans List died last year at age 100.
AVL's Austrian facilities include 45 dynamometer test stands, two superdynamic test stands, four transient stands and numerous test beds for specialist tasks such as exhaust analysis.
Dynamometer test stands are typically used to measure the output of an engine or entire drivetrain. The superdynamic test rigs accommodate an entire car.
Among the specialist test cells are a four-wheel-drive, low-noise chassis dynamometer, and facilities for testing for electromagnetic interference.
AVL also manufactures electromagnetic test equipment for carmakers to make their own measurements of vehicle parts.
AVL has developed around 700 complete engine and engine-family projects in 52 years. The company currently develops about 20 engines a year.