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    Worldwide Marine Power Solutions: Ngine Pecifications

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    jhair

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    Worldwide Marine Power Solutions: Ngine Pecifications

    Uploaded by

    jhair
    27 views2 pages

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    4BT3.9-M

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    27 views2 pages

    Worldwide Marine Power Solutions: Ngine Pecifications

    Uploaded by

    jhair

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 2

    Worldwide Marine Power Solutions

    ENGINE S P E C I F I C AT I O N S

    Configuration In-line 4 Cylinder, 4-Stroke Diesel

    Bore & Stroke 102 mm x 120 mm (4.02 in x 4.72 in)

    Displacement 3.9 L (239 in3 )


    Rotation Counterclockwise facing flywheel

    POWER R AT I N G S

    Power Rating Medium Continuous Intermittent

    Aspiration Naturally Aspirated Turbocharged Naturally Aspirated Turbocharged

    Rated RPM 2500 2500 2800 2800

    kW 57 97 60 112
    (BHP) (76) (130) (80) (150)

    Max Torque N·m 185 280 185 300


    (ft-lb) (136) (207) (136) (221)
    RPM 1200 2200 1200 2200

    F E AT U R E S AND BENEFITS Manufacturing


    ISO certified plants.
    Engine Design U.S. Navy Certified
    Compact size for ease of installation with easy access for Tested and certified for the U.S. Navy's 1,000-hour abuse
    routine maintenance. Four stroke cycle combusion for quiet and cycle test.
    fuel efficient operation.
    Cooling System AVA I L A B L E ACCESSORIES
    Heat exchanger or keel cooled configurations available for
    application flexibility. Air Cleaner: Light or heavy duty.
    Fuel System Auxiliary Pump
    CAV rotary fuel pump. Hydraulic Pump Drive: SAE A or B flange.
    Lubrication System Walker Air Sep: Closed crankcase ventilation system.
    9.5 L (2.5 g) marine grade, cast aluminum oil pan. Spin-on Accessory Drive Pulley: Belt or gear driven.
    Fleetguard lube oil filters. Marine Classification Society Approvals: Check with your
    Electrical System local Cummins professional for an updated listing.
    12-volt and 24-volt systems available. Marine grade wiring
    harness and instrument panels.
    Worldwide Marine Power Solutions

    ENGINE DIMENSIONS
    Length Width Height Weight H

    mm in mm in mm in kg lb

    Keel NA 790 31 711 28 894 35 381 840


    L W
    Cooled T 779.9 30.70 703.7 27.7 771.2 30.36 390 860
    Naturally Aspirated
    Heat NA 790 31 711 28 894 35 414 912
    Exchanger T 779.9 30.70 703.7 27.7 771.2 30.36 423 932
    NA - Naturally Aspirated H
    T - Turbocharged

    PERFORMANCE D ATA
    L W
    Rating Medium Continuous (NA) Medium Continuous (T)
    Turbocharged
    rpm 2500 2300 2100 1900 2500 2300 2100 1900

    kW 57 44 34 25 97 75 57 43

    g/kW-hr 228 231 225 228 214 220 228 236

    L/hr 15.5 12.1 9.1 6.8 24.8 19.7 15.5 12.1

    bhp 76 59 45 34 130 101 77 57

    lb/hp-hr .378 .380 .373 .371 350 .360 .373 .393

    gal/hr 4.1 3.2 2.4 1.8 6.5 5.2 4.1 3.2

    Rating Intermittent (NA) Intermittent (T)

    rpm 2800 2600 2400 2200 2800 2600 2400 2200

    kW 60 48 37 29 112 90 70 54

    g/kW-hr 239 225 222 220 216 219 218 224

    L/hr 17.1 12.9 9.8 7.6 28.8 23.5 18.2 14.4

    bhp 80 64 50 39 150 120 94 73

    lb/hp-hr .394 .372 .364 .359 .355 .362 .357 .364

    gal/hr 4.5 3.4 2.6 2.0 7.6 6.2 4.8 3.8

    Above data represents performance along a 3.0 fixed pitch propeller curve. Fuel consumption has a tolerance of +5% and is based on fuel of 35° API gravity at 16 °C (60 °F) having an LHV of 42, 780
    KJ/KG (18,390 BTU/lb) when used at 29 °C (85 °F) and weighing 838.9 g/liter (7.001 lb/US gal). Observed horsepower is certified within  3% of rated horsepower. Cummins has always been a pioneer
    in product improvement. Thus specifications may change without notice. Consult your local Cummins professional for further information.

    Rating Definitions Intermittent Duty


    Ratings are based on ISO 8665 conditions of 100kPa(29.612 in Hg) and 25 °C (77 °F) Intended for intermittent use in variable load applications where full power is limited to
    and 30% relative humidity. Propeller shaft power represents the net power available two hours out of every eight hours of operation. Also, reduced power operations must
    after typical gear losses and is 97% of rated power. Power rated in accordance with be at or below 200 rpm of the maximum rated rpm. This rating is an ISO 3046 fuel stop
    IMCI procedures. power rating and is intended for applications that operate less than 1,500 hours per
    year.
    Medium Continuous Duty
    Intended for continuous use in variable load applications where full power is limited to
    six hours out of every twelve hours of operation. Also, reduced power operations must
    be at or below 200 rpm of the maximum rated rpm. This rating is an ISO 3046 fuel stop www.cmdmarine.com
    power rating and is for applications that operate less than 3,000 hours per year. 4500 Leeds Ave. #301
    Charleston, SC 29405
    email: wavemaster@cummins.com
    1-800-DIESELS
    Bulletin Number: 4000129 Rev 5/03
    ©2003 Cummins MerCruiser Diesel

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