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Detroit Diesel Named SAE's Company of the Year

11 January 2000

Detroit Diesel Named SAE's Company of the Year

    DETROIT, Jan. 11 -- During the North American International
Auto Show, Detroit Diesel Corporation (DDC) announced the Society
of Automotive Engineers (SAE) has named DDC Powerplant and Off Highway Company
of the Year.
    SAE named DDC Company of the Year in 1999 based on the following five
categories:

    *  New Products / Services
    *  Manufacturing Processes
    *  Quality
    *  Application of Technologies
    *  Customer Service

    In order to earn the award, DDC had to demonstrate it was the company in
1999 who made the most significant advances in the five categories.
    Detroit Diesel's Series 4000 engine was the product featured in the award.
The Series 4000 engine is designed for large off highway vehicles and features
electronic controls and common rail fuel injection, features also found on
DDC's new on-highway automotive diesel line up.
    Detroit Diesel Corporation is engaged in the design, manufacture, sale and
service of heavy-duty diesel and alternative fuel engines, automotive diesel
engines, and engine-related products.  The Company offers a complete line of
diesel engines from 22 to 10,000 horsepower for the on-highway; off-road;
automotive; and power generation markets.  Detroit Diesel services these
markets directly and through a worldwide network of more than 2,800 authorized
distributors and dealer locations.  DDC is a QS-9000 certified company.
    Detroit Diesel's major shareholder is Penske Corporation, a closely-held,
diversified transportation services company whose operations include Penske
Truck Leasing Company, Diesel Technology Company, Penske Automotive Group,
Inc., Penske Auto Centers, Inc., and Penske Capital Partners, L.L.C.  Penske
Corporation and its subsidiaries manage businesses with annual revenues
exceeding $10 billion and employ more than 33,000 people around the world.
    Detroit Diesel's World Wide Web address is http://www.detroitdiesel.com