Page 33: of Maritime Reporter Magazine (July 1984)

tury of diesel engine experience, with manufacturing facilities in

Mannheim and Munich, West Ger- many; Madrid and Zafra, Spain;

Sao Paulo, Brazil; and Milwaukee.

MWM's TBD603/604 series is comprised of four turbocharged/in- tercooled engines—an in-line six (TBD604L6), a V8 (TBD604V8), a

V12 (TBD603V12), and a V16 (TBD603V16). The series has a common bore and stroke of 6.29 by 7.28 inches, respectively, and a displacement of 3.72 liters per cylinder.

Modifications to the turbocharg- ing and fuel injection systems have combined to reduce fuel consump- tion and increase performance of the series. The maximum horse- power range of the TBD603/604 has been extended (with the V16) to 2,000 bhp at 1,800 rpm for res- cue vessel and pleasure craft op- eration. Workboat application out- puts have remained the same, however, with the maximum con- tinuous rating remaining at 102 bhp per cylinder at 1,650 rpm.

Fuel consumption has been re- duced up to five percent, now reaching as low as 0.310 pounds per bhp hours. For speeds up to 1,500 rpm, these engines may be operated with marine diesel fuel per BS 2869 Class B2.

MWM large-bore engines are now available from Stewart & Ste- venson Services, Inc. of Houston for applications requiring from 270 to 8,800 bhp. Series 440, 441, 444, 501, and 510 are offered as in-line and V-form models. Featuring a fuel consumption rate as low as 0.313 pounds per bhp hour at 750 rpm, these engines effectively use #2 diesel fuel or heavy fuel up to 5,000 sec Redwood 1 at 100 F (CI-

MAC 10).

The MWM 400 series is a four- stroke, direct-injection engine family available in diesel, natural gas, dual-fuel, intermediate, and heavy-fuel versions. The 400 is di- vided into three basic model clas- sifications—the 440, 441, and the newer 444. The 440 and 441 are designed around a common bore and stroke (9.06 x 10.6). To max- imize parts interchangeability, the 444 shares the same bore as the other family members; however, the stroke has been extended to 12.6 inches.

The 440 and 441 are offered in both naturally aspirated and tur- bocharged/intercooled models. The 440 denotes the in-line engines, available in six and eight cylin- ders, and the 441 designates the

V-type engines offered in 12- and 16-cylinder models. Operating range is between 600 and 1,000 rpm on diesel fuel and 750-1,000 rpm on alternative fuels. Outputs vary based upon the type of fuel used.

The longer-stroke 444 is avail- able in in-line six- and eight-cyl- inder models and has an operating speed up to 750 rpm. This model is designed for optimized perform- ance on lower grades and heavy fuels up to 3,500 sec Redwood 1.

The 500 series, largest of the

MWM product line, is divided into two separate engine families, the 510B and the 501. The 510 series represent the latest state-of-the- art in multi-fuel and heavy-fuel engines. The 510B is comprised of four basic turbocharged/inter- cooled with a common 13-inch bore and 14.2-inch stroke—two in-line (six and eight cylinders) and two

V-form (12 and 16 cylinders). Like the 400 series, the 510B has been designed to operate on a variety of fuels, with significant experience on the poorer grades, even fuels with viscosity up to 5,000 sec Red- wood 1. Design characteristics of this family allow operating speeds between 600 and 750 rpm.

The 501 series is available as a turbocharged/intercooled, in-line six- and eight-cylinder engine only.

Each shares a bore of 14.2 inches and stroke of 17.7 inches; operat- ing speed is from 428 to 514 rpm.

The 501 has been designed specif- ically for operation on diesel and poorer grade fuels; operation on natural gas and dual-fuel is not available. Output at 514 rpm for the six-cylinder model is 2,475 bhp, 3,300 bhp for the eight-cylin- der unit.

PENSKE GM POWER

Circle 46 on Reader Service Card

Penske GM Power, Inc. repre- sents Detroit Diesel Allison and

Electro-Motive Division products that have survived the test of time and consistently provided the kind of value and dependability that produces results. The company is authorized to carry all Detroit

Diesel engines and also offfers the

EMD 645 Series.

The Penske-engineered Detroit

Diesel 8V92TI, a high-perform- ance marine power package, is a compact, heavy-duty engine with a horsepower-to-weight ratio of 6.4 pounds per shp, establishing a new standard for the industry.

The 8V 92TI marine propulsion engine was developed using only field-proven components and thor- oughly tested by Penske's own dynamometer.

Today's Detroit Diesel and EMD engines incorporate the latest state- of-the-art design modifications, such as low smoke injectors, by- pass blowers, high-output turbo- chargers, aftercoolers, and refined engine timing. More importantly, these features are incorporated into the reliable and affordable engine design that has gained worldwide recognition and offers unsurpassed application and standardization potential.

Penske field engineers are ready to survey equipment for refurbish- ment or replacement, train opera- tors and technicians, and establish comprehensive preventive mainte- nance programs to guarantee op- timum reliability and equipment life.

PERKINS

Circle 34 on Reader Service Card

Perkins Engines, Inc. of Wayne,

Mich., a leading supplier in North

America of light and medium die- sels in the 30-350 bhp range, has increased its ability to serve the marine and shipping industry by expanding into the heavy-duty marine diesel market. In March this year Perkins acquired Rolls- (continued on page 36) vi . a1-

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Energy efficient turbine driven starters for diesels to 15,000

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July 1,1984 Circle 278 on Reader Service Card Circle 114 on Reader Service Card 35