COLUMBUS, Ind. - Cummins Inc. (NYSE:CUM) has announced the release of its diesel exhaust brake for the 2003 Dodge Ram Heavy Duty truck with the new Cummins Turbo Diesel engine.

The new Jacobs Exhaust Brake® represents the third generation of turbo-mounted exhaust brakes designed specifically for the Cummins-powered Dodge Ram pick-up truck.

The Jacobs Exhaust Brake transforms horsepower into vehicle braking power through a valve inserted into the exhaust system. When activated, this valve controls the exhaust gas flow and increases backpressure in the engine, slowing the vehicle to maintain better control, especially when towing heavy loads downhill. Significant reduction in vehicle brake wear can also be realized with regular use of the Jacobs Exhaust Brake.

Cummins and Jacobs Vehicle Systems, manufacturer of the legendary Jake Brake® family of products, have jointly engineered the Jacobs Exhaust Brake. Since it is the only exhaust brake to endure rigorous engine and vehicle system durability tests to the satisfaction of both Cummins and Dodge, it has earned the sole endorsement as the genuine Mopar® exhaust brake. It is the only exhaust brake approved by Cummins for use on the Cummins Turbo Diesel engine.

Cummins offers many new features for the 2003 model year. First, the Jacobs Exhaust Brake kit includes an exclusive, easy-to-use fingertip control power switch that mounts direct to the six-speed gear shift lever. This switch provides for "eyes-on-the-road" safety and driver convenience.

Additionally, a new heavy-duty, belt-driven vacuum pump is included in the Jacobs Exhaust Brake kit. It easily mounts on the new Cummins Turbo Diesel engine, without any permanent modifications. Also, for 2003, more peak retarding horsepower is now available, when compared to previous Cummins 24-valve engine exhaust brakes.

The Jacobs Exhaust Brake has been carefully designed by Cummins to provide years of maximum retarding horsepower for the Cummins Turbo Diesel without damage. It will not risk either the engine or power train warranty when properly installed on Dodge Rams with manual transmissions.

The 2003 Jacobs Exhaust Brake is backed by a 3-year/100,000-mile (160,935 km) warranty on the exhaust brake assembly and a 3-year/36,000-mile (57,935 km) warranty on other installation kit components. Warranty service is available at any of the nearly 3,000 Dodge dealer or 180 Cummins distributor locations throughout North America.

The Jacobs Exhaust Brake is available for purchase and installation at your local Dodge dealership or at any Cummins distributor location in the United States or Canada.

Cummins Inc., a global power leader, is a corporation of complementary business units that design, manufacture, distribute and service engines and related technologies, including fuel systems, controls, air handling, filtration, emission solutions and electrical power generation systems. Headquartered in Columbus, Indiana, (USA) Cummins serves its customers through more than 500 company-owned and independent distributor locations in 131 countries and territories. With 24,900 employees worldwide, Cummins reported sales of $5.9 billion in 2002. Press releases by fax can be requested by calling News On Demand (toll free) at 888-329-2305. The Cummins home page can be found at www.cummins.com.