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14V28/32S

Main Engine 4-Stroke · Main Engines (4-Stroke)

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠‍​‌‍‍​‌⁠‍‍⁠​⁠⁠⁠⁠‌
4,340 kWPower
14Cylinders
280 mmBore
320 mmStroke

The marine diesel generator falls under the category of large-scale power generation equipment. The MAN Energy Solutions 14V28/32S model is a robust and efficient unit designed for maritime applications. With a power output of 4340 kW, it operates on a four-stroke cycle in a V-configuration, using heavy fuel oil (HFO) or marine diesel oil (MDO). The generator's key specifications include a bore of 280 mm and a stroke of 320 mm, with a compression ratio of 13.9:1 and a maximum combustion pressure of 130 bar. To ensure optimal performance and longevity, regular inspections focus on issues such as charge air cooler fouling, exhaust valve erosion, cooling system corrosion, main bearing wear, and fuel nozzle sticking.

Specifications

Technical data.reference — unverified

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Swept volume per cylinder19.7 dm³ (19,700 cm³)
Power per cylinder (MCR)210 kW/cyl at 720 rpm
Compression ratio13.9:1
Max combustion pressure130 bar
Piston area per cylinder616 cm²
Mean Effective Pressure (MEP)17.8 bar (at MCR, MDO operation)
Fuel consumption (SFOC, MCR)~232-233 g/kWh (HFO), ~188-190 g/kWh (at 75% load, MDO)
Oil consumption (lube oil)0.6-1.0 g/kWh (L28/32H), 0.4-0.8 g/kWh (V28/32S)
Dry weight (5L28/32H @720rpm)32.6 tonnes
TurbochargingConstant pressure system with intercooling
Emission standard (L28/32H)IMO Tier II, IMO Tier III (L28/32DF)
Power (kW)4340
Speed (rpm)750
Fuel TypeHFO/MDO
ConfigurationV
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