MAN marine engine – V12-1550

MAN marine engine – V12-1550Light duty operation – 1140 kW (1550 hp)

MAN engines have outstanding qualities– High tractive power even at low speeds– Powerful acceleration and rapid reaction to commands– High performance combined with low weight– Compact, space-saving design– Large operation range owing to low consumption– Low running costs– Long service life– Low emission values– World-wide service network with rapid supply of spare partsWarrantyMAN Gold Standard ®(for private use)This seal of quality is awarded toyachts which meet proven top qualitystandards in the installation andtuning of the MAN engine system.For yacht owners the MAN Gold Standard ® quality certificate promises evengreater safety and reliability. An extended warranty period is offered for installationto MAN‘s quality directives:– 2 years full warranty on the engine– a further 3 years on the main componentsDetailed warranty conditions on request.Technical descriptionEngine characteristicWater-cooled 4-stroke diesel engine with direct injection with 12 cylindersin 90° V design, direct fuel injection (Common Rail), 2stage-exhaust turbocharging,intercooler, boost pressure control with waste gateComponentsCylinder heads, valve gearFuel systemEngine blockEngine lubricationSingle cylinder heads with 4 valves per cylinderReplaceable valve seat inserts and valve guidesCommon Rail direct fuel injectionFuel fine filter and pre-filter with water separatorHigh-strength casting with integrated oil and water ducts and with replaceablecylinder linersClosed system with forced feeding, oil cooling and filteringOil filters and sumps available in differerent designsType of coolingHeat exchanger with engine and seawater circuitElectric/electronicsElectronic injection control (EDC)Electronic engine monitoring including diagnostic unitSystem voltage 24 VAlternator 55 A, alternatively 120 AExhaust gas statusIMO/MARPOL 73/78, EPA TIER 2, Recreational Craft Directive 94/25/ECQuality certificatesISO 9001 certified by TÜVAmbient conditions To ISO 3046Fuel DIN EN 590Special equipmentOn request

CDABETechnical data:Engine modelBoreStrokeDisplacementCompression ratioRotation looking on flywheelFlywheel housingNominal output (light duty operation)*Rated speedTorque at rated speedMean effective pressureMaximum torqueat speedWeightPower-to-weight ratioSpecific fuel consumption at rated powerFuel consumption at rated powerOveral width of engine (A)**Overall length of engine (B)**Overal height of engine (C)**Top of engine to crankshaft centre (D)**Length of engine from front end to edge offlywheel housing (E)****Rating only for operation of privat yachts.The nominal rating is to DIN/ISO 3046/1.100 kPA (1000 mbar) barometric pressure,60% relative humidity, 305 K (32° C) sea watertemperature. No change in rating for intake airtemperature up to 318 K (45° C).**Minimum dimensions. Precise dimensions on request.V12-1550128 mm142 mm21.93 l15.5:1leftSAE 11140 kW (1550 hp)2,300 rpm4,733 Nm27.1 bar5,000 Nm1,400 rpm2,165 kg1.90 kg/kW226 g/kWh307 l/h1,380 mm2,025 mm1,270 mm800 mm1,489 mmDefinition of light duty operationOperating hours per year ≤ 1000Percentage of time at full load ≤ 20%Average load application ≤ 50%Particular operating conditions No wide-openthrottle belowrated speedTypical application– Yachts– Sportfishing boats– Patrol boats– other applications on request[kW]120011001000900800700600500400300200100powerat full loadat propeller curve[Nm]600050004000300020001000[l/h]300200100torquefuel consumptionat full loadat propeller curve800 1000 1200 1400 1600 1800 2000 2200 2400r.p.m.V12 - -1550 1550, 1140 CRM, kW 1140 (1550 kW hp) (1550 hp)

MAN Nutzfahrzeuge GroupBusiness Unit EnginesDepartment MVMVPostfach 44 02 58D-90207 Nürnberge-mail: marinemotor@de.man-mn.comwww.man-mn.com/enginesA member of the MAN GroupD114.383/E . br 01063 . Printed in GermanyText and illustrations not binding.We reserve the right to introduce modifications in line with technical progress.