Detroit Diesel Introduces Three N e w High-Speed Engines

— F r e e Brochures A v a i l a b l e— Detroit Diesel Corporation recently introduced three new generation high-speed engines for the passenger boat, pleasure craft and marine market—the 16V-149TI, 6- 71TI and 3000 Series.

The 16V-149TI is a 16-cylinder, 149-cubic-inch-per-cylinder engine capable of producing 2,200 bhp at 2,100 rpm.

The 149 engine was first introduced in 1967. Over 15,000 Series 149 engines are in service in generator sets, and marine and other applications.

The engine is designed with a twin-section, wet-linered cylinder block, two-piece overhead camshaft, a unit fuel-injection system, individual cylinder heads, iron crosshead pistons, crankcase access plates, a two-piece crankshaft and quad water-cooled exhaust manifolds and turbochargers.

The new 6-71 is a six-cylinder, 71- cubic-inch-per-cylinder engine available in ratings of 485 bhp at 2,500 rpm and 450 bhp at 2,500 rpm.

Introduced in 1938, the new reengineered marine 6-71 engine incorporates design input from Detroit Diesel distributors servicing the marine industry. The marinized engine consists of over 80 newly designed components with a total investment of $800,000.

The turbocharged and intercooled engine is designed to be compact, and features a high capacity 24-plate oil cooler, water-cooled exhaust system, a maxi-bypass blower, a new cooling system, crankcase breather collection system, a unit fuel injection system and engine controls, and low-speed performance enhancements.

The 3000 Series marine engine represents the first product offered from the joint collaboration between Detroit Diesel Corporation and Perkins Engine Company, Ltd.

The 3000 Series is a pre-production marine engine which will be available in limited quantities beginning this fall.

The 3000 Series is a direct injection, four-cycle, eight-cylinder Vee configuration engine and is rated at 800 bhp at 2,400 rpm. The engine fits into the Detroit Diesel marine engine line-up, thus strengthening DDC's marine engine offering.

Turbocharged and intercooled, the engine has a freshwater heat exchanger, freshwater cooled exhaust manifolds and seawater charge cooling. Oil is freshwater cooled and the engine's filters are "spin-on" for ease of maintenance.

Furthermore, DDC also announced it would market a full line of marine gears for all Detroit Diesel pleasure craft engines. The gears will be manufactured for DDC under an agreement with Twin Disc Corporation.

Headquartered in Racine, Wis., Twin Disc is a leading independent designer and manufacturer of heavy-duty off-highway power transmission equipment. Founded in 1918 to manufacture farm tractor clutches, now Twin Disc's product line consists of hydraulic torque converters; power-shift transmissions; marine transmissions; universal joints; gas turbine starting drives; power take-offs; mechanical, hydraulic and pneumatic clutches; fluid couplings; planetary gear reduction equipment and control systems.

The new marine gear and engine program will provide benefits to both boatbuilders and boat owners.

Working together with Twin Disc, Detroit Diesel will now be able to offer the boatbuilder a complete power package that provides the optimum match of engine and gear suited to the particular application.

The match will optimize performance, durability and reliability and gives the boatbuilder a cost-effective package.

The boat owner will be able to obtain service for either the engine or the marine gear at the same service location. All authorized Detroit Diesel Corporation distributors and marine dealers will have the technical training and replacement parts necessary to perform marine gear maintenance and repairs.

The agreement provides a twoyear parts and labor warranty administered entirely by Detroit Diesel Corporation. Extended service coverage will also be available. Traditionally, gear and engine manufacturers administer their own warranty, with varying terms of duration and coverage.

For free brochures detailing the new DDC engines and new marine gear/engine package offered by Detroit Diesel, Circle 73 on Reader Service Card

Maritime Reporter Magazine, page 50,  Apr 1989 Navy

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