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Isuzu and GM Joint Venture Begins Production of All-New Duramax Diesel Engine

18 July 2000

Isuzu and GM Joint Venture Begins Production of All-New Duramax Diesel Engine

    DAYTON, Ohio - DMAX, Ltd., a joint venture company between Isuzu Motors 
America, Inc., and General Motors, for diesel engine manufacturing and sales, 
has started production of the new Duramax Diesel 6600 V8 engine.

    "We are very pleased Isuzu could help provide a new engine to meet the
needs of GMC Sierra and Chevrolet Silverado customers," said Kazuhira Seki,
Chairman and CEO, Isuzu Motors Limited, the parent company of Isuzu Motors
America, Inc.  "Early indications are excellent that the quality and
performance of this engine will deliver a premium diesel product which is a
real tribute to the workforce at DMAX.  DMAX and its product are important
elements in Isuzu's strategy of becoming the world's largest diesel engine
manufacturer.  The Duramax Diesel 6600 will be the benchmark for the
industry."

    "The Isuzu/GM partnership continues to be an outstanding relationship for
General Motors," said Group Vice President of GM Powertrain, Arvin F. Mueller.
"We are very excited about the future of DMAX and its products.  The new
Duramax Diesel 6600 engine has received rave reviews by the automotive press
as it significantly outperforms its competitors.  We look forward to getting
these new trucks with the Duramax Diesel 6600 engine in the hands of our
dealers and customers."

    Start of production is a key step in the evolution of DMAX which will have
approximately 400 employees producing over 100,000 engines a year in phase one
and with increased market demand, has the potential capacity of produce
approximately 200,000 units and employ 700 people in phase two.

    DMAX began construction of the all-new facility in March, 1998 and began
building pilot Duramax Diesel 6600 V8 engines earlier this year.  The engines
will be introduced initially on the 2001 GMC Sierra and Chevrolet Silverado
2500HD/3500 Series pickups and chassis cabs, scheduled to go into production
later this year.

    DMAX was founded in September 1998 under the share equity of Isuzu and GM.
The company was established in Moraine, Ohio, to manufacture an advanced
technology diesel engine.