Propulsion 3304B Engine - Diesel Parts Direct

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MarinePropulsionEngine3304B123 bkW (165 bhp) 167 mhp @ 2200 rpmSPECIFICATIONSI-4, 4-Stroke-Cycle-DieselShown withAccessory EquipmentEmissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Non-IMODisplacement . . . . . . . . . . . . . . . . . . . . . . . 7 L (425 cu. in.)Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 mm (4.8 in.)Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 mm (6.0 in.)Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . TurbochargedGovernor . . . . . . . . . . . . . . . . . . . . . . . . Hydra-mechanicalEngine Weight, Net Dry (approx)Heat Exchanger Cooled . . . . . . . . . . . . 810 kg (1786 lb)Keel Cooled. . . . . . . . . . . . . . . . . . . . . . . 768 kg (1690 lb)Capacity for LiquidsCooling System . . . . . . . . . . . . . . . 12.9 L (3.4 U.S. gal)Lube Oil System (refill) . . . . . . . . 19.0 L (5.0 U.S. gal)Oil Change Interval . . . . . . . . . . . . . . . . . . . . . . . . . . 250 hrCaterpillar DEO 10W30 or 15W40Rotation (from flywheel end) . . . . . . . CounterclockwiseSTANDARD EQUIPMENTACCESSORY EQUIPMENTAir Inlet SystemRegular duty single stage dry air cleanerAir Starting MotorCooling SystemGear driven self-priming auxiliary sea water pumpwith rubber impeller (heat exchanger enginesonly), gear driven centrifugal jacket water pump,engine oil cooler, expansion tank, engine-mountedheat exchanger with removable tube bundle (heatexchanger engines only), thermostat and housing,transmission oil cooler12V 51 Amp, 24V 35 Amp, 24V 60 Amp AlternatorExhaust SystemWatercooled manifold and turbocharger; dry elbowand flange, 102 mm (4 in.)Electric Starting MotorFlywheel and Flywheel HousingSAE No. 2 (156 teeth)Exhaust Elbows, Pipes, Rain Caps, Flexible FittingsFuel SystemFuel priming pump, fuel transfer pump, fuel filter,flexible fuel linesFuel Ratio ControlInstrumentsFuel pressure gauge, service meter, heavy-dutytachometer driveLube SystemTop-mounted crankcase breather, LH oil filter andoil level gaugeMounting SystemFront supportGeneralCaterpillar yellow paint, lifting eyesAlarm Contactor (Oil Pressure, Water Temperature)Auxiliary Drive PulleyDigital TachometerDouble Wall Fuel LinesDuplex Fuel FiltersElectric Overspeed ShutoffEther Starting AidFront Enclosed ClutchHydraulic Pump DriveMagnetic PickupManual ShutoffPilot House Instrument PanelPrimary Fuel Filter/Water SeparatorRemote-Mounted Pilot House ControlsRemote Positive Locking Governor ControlSolenoid ShutoffsSpare Parts Kit

3304B MARINE PROPULSION — 123 bkW (165 bhp)PERFORMANCE CURVESEngine PowerhpEngine PowerkWC Rating — TM1529-022001501005030022515075500Torquelb ftTorqueN 0230090011001300Engine Speed - rpmMetricMaximum PowerProp Demand123 kWEnglishPropDemandDataEnginePowerkWEngineTorqueN 012653444135728224821615911071190021002300165 hpPerformance 42.3Cubic prop demand curve with 3.0 exponent for displacementhulls only.PD-TM1529-02.pdf1700Maximum PowerProp DemandPerformance DataEngineSpeedrpm1500Engine Speed - Torquelb .92.72.11.51.2.6Power produced at the flywheel will be within standardtolerances up to 50 C (122 F) combustion air temperaturemeasured at the air cleaner inlet, and fuel temperatureup to 52 C (125 F) measured at the fuel filter base.Power rated in accordance with NMMA procedure ascrankshaft power. Reduce crankshaft power by 3% forpropeller shaft power.Created on 06/19/2001 11:53 2001 Caterpillar All Rights Reserved

3304B MARINE PROPULSION — 123 bkW (165 bhp)FrontFootprint030303Right SideH010101W030303L01DIMENSIONS*Overall LengthLength from front to rear face of blockLength from rear face of black to back of flywheel housingmm1420.9986.6146.3in.55.938.85.8Overall HeightHeight from crankshaft centerline to top of engineHeight from crankshaft centerline to bottom of engine1141.3827.7313.644.932.612.4Overall WidthWidth from crankshaft centerline to port side (left side)Width from crankshaft centerline to starboard side(right side)953.0430.3522.737.516.920.6FrontCustomer mounting hole diameterWidth from crankshaft centerline to sideLength from rear face of block to trations and dimensions from drawing: 118-7824RATING DEFINITIONS AND CONDITIONSC Rating –Typical Application . . . Vessels such as ferries,harbor tugs, fishing boats moving at higherspeeds out and back (e.g. lobster, crayfish, andtuna), offshore service boats, and alsodisplacement hull yachts and short trip coastalfreighters where engine load and speed arecyclical.Typical Hours Per Year . . . . . . . . . . . 2000 to 4000Time at Rated Speed . . . . . . . . . . . . . . . . Up to 50%Load Factor . . . . . . . . . . . . . . . . . . . . . . . . 20 to 80%Typical Time at Full Load . . . . . 6 out of 12 hoursRated Speed . . . . . . . . . . . . . . . . . . . . . . . . 2200 rpmMaximum Cruise Speed. . . . . . . . . . . . . . . 2100 rpmMaximum Continuous Cruise Speed. . . . 2000 rpmEngine Performance ParametersPower. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3%Specific Fuel Consumption . . . . . . . . . . . . . . . 3%Fuel Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5%Ratings are based on SAE J1228/ISO8665standard conditions of 100 kPa (29.61 in. Hg),25 C (77 F), and 30% relative humidity. Theseratings also apply at ISO3046/1, DIN6271/3, andBS5514 conditions of 100 kPa (29.61 in. Hg),27 C (81 F), and 60% relative humidity.Fuel rates are based on fuel oil of 35 API[16 C (60 F)] gravity having an LHV of42 780 kJ/kg (18,390 Btu/lb) when used at 29 C(85 F) and weighing 838.9 g/L (7.001 lb/U.S. gal).Additional ratings may be available for specificcustomer requirements. Consult your Caterpillarrepresentative for additional information.

3304B MARINE PROPULSION — 123 bkW (165 bhp)Performance data is calculated in accordance with tolerances and conditions stated in this specification sheet and is only intended for purposes ofcomparison with other manufacturers’ engines. Actual engine performance may vary according to the particular application of the engine andoperating conditions beyond Caterpillar’s control.TM Reference No.: TM1529-02 (6-19-01)Materials and specifications are subject to change without notice.LEHM1228-00 (6-01)Supersedes LEHM7458The International System of Units (SI) is used in this publication.Printed in U.S.A. 2001 CaterpillarAll rights reserved.

MarinePropulsionEngine3304B104 bkW (140 bhp) 142 mhp @ 2000 rpmSPECIFICATIONSI-4, 4-Stroke-Cycle-DieselShown withAccessory EquipmentEmissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Non-IMODisplacement . . . . . . . . . . . . . . . . . . . . . . . 7 L (425 cu. in.)Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 mm (4.8 in.)Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 mm (6.0 in.)Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . TurbochargedGovernor . . . . . . . . . . . . . . . . . . . . . . . . Hydra-mechanicalEngine Weight, Net Dry (approx)Heat Exchanger Cooled . . . . . . . . . . . . 810 kg (1786 lb)Keel Cooled. . . . . . . . . . . . . . . . . . . . . . . 768 kg (1690 lb)Capacity for LiquidsCooling System . . . . . . . . . . . . . . . 12.9 L (3.4 U.S. gal)Lube Oil System (refill) . . . . . . . . 19.0 L (5.0 U.S. gal)Oil Change Interval . . . . . . . . . . . . . . . . . . . . . . . . . . 250 hrCaterpillar DEO 10W30 or 15W40Rotation (from flywheel end) . . . . . . . CounterclockwiseSTANDARD EQUIPMENTACCESSORY EQUIPMENTAir Inlet SystemRegular duty single stage dry air cleanerAir Starting MotorCooling SystemGear driven self-priming auxiliary sea water pumpwith rubber impeller (heat exchanger enginesonly), gear driven centrifugal jacket water pump,engine oil cooler, expansion tank, engine-mountedheat exchanger with removable tube bundle (heatexchanger engines only), thermostat and housing,transmission oil cooler12V 51 Amp, 24V 35 Amp, 24V 60 Amp AlternatorExhaust SystemWatercooled manifold and turbocharger; dry elbowand flange, 102 mm (4 in.)Electric Starting MotorFlywheel and Flywheel HousingSAE No. 2 (156 teeth)Exhaust Elbows, Pipes, Rain Caps, Flexible FittingsFuel SystemFuel priming pump, fuel transfer pump, fuel filter,flexible fuel linesFuel Ratio ControlInstrumentsFuel pressure gauge, service meter, heavy-dutytachometer driveLube SystemTop-mounted crankcase breather, LH oil filter andoil level gaugeMounting SystemFront supportGeneralCaterpillar yellow paint, lifting eyesAlarm Contactor (Oil Pressure, Water Temperature)Auxiliary Drive PulleyDigital TachometerDouble Wall Fuel LinesDuplex Fuel FiltersElectric Overspeed ShutoffEther Starting AidFront Enclosed ClutchHydraulic Pump DriveMagnetic PickupManual ShutoffPilot House Instrument PanelPrimary Fuel Filter/Water SeparatorRemote-Mounted Pilot House ControlsRemote Positive Locking Governor ControlSolenoid ShutoffsSpare Parts Kit

3304B MARINE PROPULSION — 104 bkW (140 bhp)PERFORMANCE CURVESEngine PowerhpEngine PowerkWB Rating — 506275.452BSFClb/hp-hrBSFCg/kW-hr150Torquelb ftTorqueN 11001300Engine Speed - rpmMetricMaximum PowerProp Demand105 kWEnglishPropDemandDataEnginePowerkWEngineTorqueN 94043192812441801258019002100140 hpPerformance .0232.0306.0308.029.221.016.211.79.06.24.82.5Cubic prop demand curve with 3.0 exponent for displacementhulls only.PD-TM1530-02.pdf1700Maximum PowerProp DemandPerformance DataEngineSpeedrpm1500Engine Speed - Torquelb Power produced at the flywheel will be within standardtolerances up to 50 C (122 F) combustion air temperaturemeasured at the air cleaner inlet, and fuel temperatureup to 52 C (125 F) measured at the fuel filter base.Power rated in accordance with NMMA procedure ascrankshaft power. Reduce crankshaft power by 3% forpropeller shaft power.Created on 06/19/2001 11:53 2001 Caterpillar All Rights Reserved

3304B MARINE PROPULSION — 104 bkW (140 bhp)FrontFootprint030303Right SideH010101W030303L01DIMENSIONS*Overall LengthLength from front to rear face of blockLength from rear face of black to back of flywheel housingmm1420.9986.6146.3in.55.938.85.8Overall HeightHeight from crankshaft centerline to top of engineHeight from crankshaft centerline to bottom of oil pan1141.3827.7313.644.932.612.4Overall WidthWidth from crankshaft centerline to port side (left side)Width from crankshaft centerline to starboard side(right side)953.0430.3522.737.516.920.6FrontCustomer mounting hole diameterWidth from crankshaft centerline to mounting holesLength from rear face of block to mounting trations and dimensions from drawing: 118-7824RATING DEFINITIONS AND CONDITIONSB Rating –Typical Application . . . Vessels such asmidwater trawlers, purse seiners, crew andsupply boats, ferries, and towboats where locks,sandbars, and curves dictate frequent slowing,and engine load and speed are constant withsome cycling.Typical Hours Per Year . . . . . . . . . . . 3000 to 5000Time at Rated Speed . . . . . . . . . . . . . . . . Up to 80%Load Factor . . . . . . . . . . . . . . . . . . . . . . . . 40 to 80%Typical Time at Full Load . . . . 10 out of 12 hoursRated Speed . . . . . . . . . . . . . . . . . . . . . . . . 2000 rpmMaximum Cruise Speed. . . . . . . . . . . . . . . 1900 rpmMaximum Continuous Cruise Speed. . . . 1800 rpmEngine Performance ParametersPower. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3%Specific Fuel Consumption . . . . . . . . . . . . . . . 3%Fuel Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5%Ratings are based on SAE J1228/ISO8665standard conditions of 100 kPa (29.61 in. Hg),25 C (77 F), and 30% relative humidity. Theseratings also apply at ISO3046/1, DIN6271/3, andBS5514 conditions of 100 kPa (29.61 in. Hg),27 C (81 F), and 60% relative humidity.Fuel rates are based on fuel oil of 35 API[16 C (60 F)] gravity having an LHV of42 780 kJ/kg (18,390 Btu/lb) when used at 29 C(85 F) and weighing 838.9 g/L (7.001 lb/U.S. gal).Additional ratings may be available for specificcustomer requirements. Consult your Caterpillarrepresentative for additional information.

3304B MARINE PROPULSION — 104 bkW (140 bhp)Performance data is calculated in accordance with tolerances and conditions stated in this specification sheet and is only intended for purposes ofcomparison with other manufacturers’ engines. Actual engine performance may vary according to the particular application of the engine andoperating conditions beyond Caterpillar’s control.TM Reference No.: TM1530-02 (6-19-01)Materials and specifications are subject to change without notice.LEHM1229-00 (6-01)Supersedes LEHM7458The International System of Units (SI) is used in this publication.Printed in U.S.A. 2001 CaterpillarAll rights reserved.

MarinePropulsionEngine3304B93 bkW (125 bhp) 127 mhp @ 2000 rpmSPECIFICATIONSI-4, 4-Stroke-Cycle-DieselShown withAccessory EquipmentEmissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Non-IMODisplacement . . . . . . . . . . . . . . . . . . . . . . . 7 L (425 cu. in.)Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 mm (4.8 in.)Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 mm (6.0 in.)Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . TurbochargedGovernor . . . . . . . . . . . . . . . . . . . . . . . . Hydra-mechanicalEngine Weight, Net Dry (approx)Heat Exchanger Cooled . . . . . . . . . . . . 810 kg (1786 lb)Keel Cooled. . . . . . . . . . . . . . . . . . . . . . . 768 kg (1690 lb)Capacity for LiquidsCooling System . . . . . . . . . . . . . . . 12.9 L (3.4 U.S. gal)Lube Oil System (refill) . . . . . . . . 19.0 L (5.0 U.S. gal)Oil Change Interval . . . . . . . . . . . . . . . . . . . . . . . . . . 250 hrCaterpillar DEO 10W30 or 15W40Rotation (from flywheel end) . . . . . . . CounterclockwiseSTANDARD EQUIPMENTACCESSORY EQUIPMENTAir Inlet SystemRegular duty single stage dry air cleanerAir Starting MotorCooling SystemGear driven self-priming auxiliary sea water pumpwith rubber impeller (heat exchanger enginesonly), gear driven centrifugal jacket water pump,engine oil cooler, expansion tank, engine-mountedheat exchanger with removable tube bundle (heatexchanger engines only), thermostat and housing,transmission oil cooler12V 51 Amp, 24V 35 Amp, 24V 60 Amp AlternatorExhaust SystemWatercooled manifold and turbocharger; dry elbowand flange, 102 mm (4 in.)Electric Starting MotorFlywheel and Flywheel HousingSAE No. 2 (156 teeth)Exhaust Elbows, Pipes, Rain Caps, Flexible FittingsFuel SystemFuel priming pump, fuel transfer pump, fuel filter,flexible fuel linesFuel Ratio ControlInstrumentsFuel pressure gauge, service meter, heavy-dutytachometer driveLube SystemTop-mounted crankcase breather, LH oil filter andoil level gaugeMounting SystemFront supportGeneralCaterpillar yellow paint, lifting eyesAlarm Contactor (Oil Pressure, Water Temperature)Auxiliary Drive PulleyDigital TachometerDouble Wall Fuel LinesDuplex Fuel FiltersElectric Overspeed ShutoffEther Starting AidFront Enclosed ClutchHydraulic Pump DriveMagnetic PickupManual ShutoffPilot House Instrument PanelPrimary Fuel Filter/Water SeparatorRemote-Mounted Pilot House ControlsRemote Positive Locking Governor ControlSolenoid ShutoffsSpare Parts Kit

3304B MARINE PROPULSION — 93 bkW (125 bhp)PERFORMANCE CURVESEngine PowerhpEngine PowerkWA Rating — 529285.468BSFClb/hp-hrBSFCg/kW-hr150Torquelb ftTorqueN 11001300Engine Speed - rpmMetricMaximum PowerProp Demand93 0800EnginePowerkW936848393220126EngineTorqueN m4443602842502181601117119002100125 hpPerformance .0239.0322.0322.025.921.314.810.38.05.74.52.3Cubic prop demand curve with 3.0 exponent for displacementhulls only.PD-TM1531-02.pdf1700Maximum PowerProp DemandPerformance DataEngineSpeedrpm1500Engine Speed - Torquelb ower produced at the flywheel will be within standardtolerances up to 50 C (122 F) combustion air temperaturemeasured at the air cleaner inlet, and fuel temperatureup to 52 C (125 F) measured at the fuel filter base.Power rated in accordance with NMMA procedure ascrankshaft power. Reduce crankshaft power by 3% forpropeller shaft power.Created on 06/19/2001 11:53 2001 Caterpillar All Rights Reserved

3304B MARINE PROPULSION — 93 bkW (125 bhp)FrontFootprint030303Right SideH010101W030303L01DIMENSIONS*Overall LengthLength from front to rear face of blockLength from rear face of black to back of flywheel housingmm1420.9986.6146.3in.55.938.85.8Overall HeightHeight from crankshaft centerline to top of engineHeight from crankshaft centerline to bottom of oil pan1141.3827.7313.644.932.612.4Overall WidthWidth from crankshaft centerline to port side (left side)Width from crankshaft centerline to starboard side(right side)953.0430.3522.737.516.920.6Customer mounting hole diameterWidth from crankshaft centerline to mounting holesLength from rear face of block to mounting Illustrations and dimensions from drawing: 118-7824RATING DEFINITIONS AND CONDITIONSA Rating –Typical Application . . . For heavy-duty service invessels such as freighters, tugboats, bottomdrag trawlers, and deep river towboats wherethe engine is operated at rated load and speedup to 100% of the time without interruption orload cycling.Typical Hours Per Year . . . . . . . . . . . 5000 to 8000Time at Rated Speed. . . . . . . . . . . . . . . Up to 100%Load Factor . . . . . . . . . . . . . . . . . . . . . . . 80 to 100%Typical Time at Full Load . . . . . . . . . . . . . No limitEngine Performance ParametersPower. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3%Specific Fuel Consumption . . . . . . . . . . . . . . . 3%Fuel Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5%Ratings are based on SAE J1228/ISO8665standard conditions of 100 kPa (29.61 in. Hg),25 C (77 F), and 30% relative humidity. Theseratings also apply at ISO3046/1, DIN6271/3, andBS5514 conditions of 100 kPa (29.61 in. Hg),27 C (81 F), and 60% relative humidity.Fuel rates are based on fuel oil of 35 API[16 C (60 F)] gravity having an LHV of42 780 kJ/kg (18,390 Btu/lb) when used at 29 C(85 F) and weighing 838.9 g/L (7.001 lb/U.S. gal).Additional ratings may be available for specificcustomer requirements. Consult your Caterpillarrepresentative for additional information.

3304B MARINE PROPULSION — 93 bkW (125 bhp)Performance data is calculated in accordance with tolerances and conditions stated in this specification sheet and is only intended for purposes ofcomparison with other manufacturers’ engines. Actual engine performance may vary according to the particular application of the engine andoperating conditions beyond Caterpillar’s control.TM Reference No.: TM1531

Engine Speed rpm Engine Power kW Engine Torque N m BSFC g/kW-hr Fuel Rate L/hr Engine Speed rpm Engine Power hp Engine Torque lb ft BSFC lb/hp-hr Fuel Rate gph Prop Demand Data Prop Demand Data 2200 123 534 249.0 36.5 2200 165 394 .409 9.6 2000 92 441 234.0 25.8 2000 124 325 .385 6.8 1800 67 357 266.0 21.4 1800 90 263 .437 5.7

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