Page 35: of Maritime Reporter Magazine (November 2000)

Workboat Report • Marine Propulsion

Volvo Penta Offers Larger Engine Range

Sweden's Volvo Penta has introduced a new engine range that significantly expands its power output up to 1,380 kW (1,850 hp) and opens vast new markets for the company's products.

The new range will include in-line six cylinder units, and, for the first time for the company, VI2 and VI6 configuration engines.

The new range comprises five basic engine sizes, from 24.5 - 65.4 liter displacement. The new engines are designed to be reliable, fuel efficient with low emissions, a suitable power choice for a wide range of vessels from coastal freighters and fishing ves- sels to harbor tugs operating on inland waters.

In addition, the engines are reportedly suitable for auxiliary duties.

On the table below are the power specifica- tions for the new line.

Each engine is available in either single or twin cir- cuit cooling systems, the latter resulting in a small but significant increase in engine output. Except for the

D34 diesels, which have a bore of 150 mm and a stroke of 160 mm, all units in the range feature a 170 mm bore with a stroke of 180 or 220 mm.

The D25 and D30 are in-line six cylinder engines,

Engine Power R1 Power R2 Cyl Displ. Bore Stroi kW(hp)/rpm kW(hp)7rpm mm mm

D25A-MS 440 (590)/l,600 485 (650)71,650 16 24.5 170 180

D25A-MT 470 (630)/l,600 520 (697)71,650 16 24.5 170 180

D30A-MS 445 (S96)/l,350 490 (657)71,400 16 29.96 170 220

D30A-MT 480 (643)/l,351 530 (710)71,400 16 29.96 170 220

D34A-MS 634 (850)/l,940 701 (940)72,000 V12 33.9 150 160

D34A-MT 701 (940)/l,940 776 (1,040)72,000 V12 33.9 150 160

D49A-MS 880 (1,180)/1,600 970 (1,300)71,650 V12 49 170 180

D49A-MT 940 (1,260)/1,600 1040 (1,394)71,650 V12 49 170 180

D6SA-MS 1170 (1,568)71,600 1290 (1,730)71,650 V16 65.4 170 180

D65A-MT 1250 (1,676)71,600 1380 (1,850)71,650 V16 65.4 170 180

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The Sea Switch Two was designed and patented for all tank applications. The Sea Switch Two offers a reliable solution for liquid level detection and control for cargo, ballast, and storage tanks, without any moving parts.

The Sea Switch Two uses a fully static system that is based on the propagation of an acoustic wave into a metallic rod. A piezo-electric sensing element produces a wave along the rod. As the liquid reaches the sensing element the oscilla- tion stops and the alarm is activated.

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November, 2000

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