3512C

Back to

The Cat® 3512C marine propulsion engine delivers results under hard working conditions. This engine family is designed to maximize the performance of your invested dollars with a wide range of available power ratings, standard and reverse rotation configurations, no required aftertreatment, and efficient fuel consumption. This engine is available as IMO II or China Stage II emissions compliant making it an excellent propulsion engine choice for Tug, Governmental, and other workboat applications.

Pricing: Contact for Pricing

Request a quote

Request a New Equipment Quote

Fill out this form below and we will get back to you within 1 to 2 business days! Alternatively, give us a call at 833-286-3561


    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

    Request Demo
    Power Range 1281 - 2552 bhp
    Aspiration Twin Turbocharged Aspirator
    Bore 6.69in
    Configuration V 12, 4-Stroke-Cycle Diesel
    Displacement 3161in³
    Displacement - HD 3574in³
    Emissions IMO II, China Stage II
    Rotation from Flywheel End Counterclockwise or Clockwise
    Speed Range 1200 - 1800 rpm
    Stroke 7.48in
    Stroke - HD 8.46in
    Length - Engine 111.1in
    Maximum Dry Weight 16340lb
    Maximum Height 75in
    Maximum Length 102in
    Maximum Width 80.2in
    Minimum Dry Weight 14400lb
    Minimum Height 75in
    Minimum Length 102in
    Minimum Width 80.2in

    Standard Equipment:

    • Separate circuit aftercooler core, corrosion resistant coated (air side)
    • Powercore air cleaner
    • Dual Caterpillar A4 Electronic Engine Control with Electronic Unit Injector Fuel System
    • Rigid Wiring Harness (10 amp DC power required to drive Electronic Engine Control Module)
    • 3500C engines:
    • Fuel transfer pump
    • Electronically Controlled Unit Injectors
    • Electronic service meter, instrument panel (24V), start/stop switch, emergency stop button, maintenance due light, diagnostic light, warning light, maintenance clear switch, start motor magnetic switch, 15 and 3A breakers
    • Graphical Unit (Color Marine Power Display) for analog or digital of:
    • Crankcase breather groups, Top mounted
    • Oil filler and dipstick, LH or RH
    • Oil pump, gear type
    • 250 or 1000 hour sump oil pan
    • Rails, engine mounting, ledge type, 203 mm x 203 mm (8 in x 8 in) or Front Trunnion
    • Accessory drives: Lower RH, lower LH
    • Front housing, two-sided
    • A4 Electronic Monitoring System provides customer programmable engine derating strategies to protect against adverse operating conditions
    • Emergency stop push button (located in Electronic Instrument Panel)
    • Safety shutoff protection:
    • Vibration damper and guard
    • Lifting eyes
    • NOTE: Engines for heat exchanger cooling do NOT include heat exchange
    • Flywheel, SAE No. 00, 183 teeth
    • Flywheel housing, SAE No. 00
    • Oil cooler
    • Thermostats and housing, Full open temperature 92 C (198 F)
    • Jacket water pump, gear driven, centrifugal
    • Auxiliary fresh water pump
    • Aftercooler system: If using glycol, up to maximum 20% glycol concentration is allowed

    Optional Equipment:

    • Air Inlet Adapters
    • Battery Chargers
    • Charging Alternator
    • Throttle Control
    • Coolant Shunt Tank
    • Cooling System Options
    • Flexible Fittings
    • Elbows
    • Flanges
    • Flange and Exhaust Expanders
    • Mufflers
    • Fuel Cooler Heat Exchanger - Sea Water
    • Primary Fuel Filter
    • Fuel Level Switch
    • Rigid Fuel Lines
    • Flexible Fuel Lines
    • Communication Modules
    • Color Marine Power Display System
    • Pilot House Instrument Panels
    • Marine Gear Sensors
    • Sump Pumps
    • Lubricating Oil
    • Stub Shafts
    • Crankshaft Pulleys
    • Damper Guard
    • Flexible Coupling and Guards
    • Green Passport Documentation
    • Spray Shielding
    • Shutoff and Alarm Contactors
    • Special Appearance Packages with Chrome Covers
    • Yacht Class Finish
    • Air Starting Motor Options
    • Battery Sets - 24 Volt - Dry
    • Battery Rack
    • Engine Supports
    • Vibration Isolation Mountings
    • Shrink Wrap Protection
    • Storage Preservation with Glycol Solution/Vapor Corrosion Inhibitor
    • Export Boxing
    • Export Packaging

    What Our Customers Are Saying About Us

    3.9
    Based on 46 reviews
    powered by Google
    Renee Herndon
    21:55 29 Feb 24
    Dalton was very helpful, The road construction, however, was not! 😂I would rather have to sand paper an alligators @$$ in a phone booth that to get in that mess again.
    David Lawrence
    13:04 22 Feb 24
    Brandon Pierce
    22:00 18 Feb 24
    Darin Noe
    01:17 16 Feb 24
    Jose Soto
    15:26 23 Sep 23
    Hunter Elliott
    16:17 07 Sep 23
    Rick Kelly-Crapse
    21:06 25 Aug 23
    They had all my parts for my 3208 Cat.Friendly folks at parts counter.
    js_loader