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C32 IMO II

The C32 marine propulsion engine is available at ratings that meet IMO II emissions regulations. It has a separate circuit aftercooling system (SCAC) for A through C ratings, six ratings with Wide Operating Speed Range (WOSR) and extended oil change intervals. Other benefits include proven engine operating history and performance iron with thousands of validation testing hours for quality and durability. The C32 marine engine is supported by the extensive Cat global dealer network and Caterpillar's standard warranty.

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      Benefits & Features

      Emissions

      IMO II – meets the International Maritime Organization’s Regulation 13 of Revised Annex VI to the MARPOL Convention.

      Worldwide Support

      Extensive service network of Cat Dealers and unparalleled service from authorized marine dealers

      Durability

      The C32 ACERT has proven engine operating history. It consists of performance iron with thousands of hours of validation testing for quality and durability.

      Reliability

      Backed by Caterpillar’s standard warranty

      Six Ratings with Wide Operating Speed Range (WOSR)

      Excellent reserve power for acceleration, Ideal for applications requiring the engine to operate normally at more than one speed or load, Provides an alternative to torque converters, multi-speed transmissions, Controllable Pitch Propeller (CPP)

      Extended Oil Change Intervals
      Seperate Circuit Aftercooling System: A-C Ratings

      No seawater circulating through the aftercooler, isolator mounts available as optional attachments, mounting and isolator base require wider stringer without vertical adjustment nut (adjustable height), thrust (recommended for remote gear) and non-thrust (recommended for close gear) options available

      specifications

      Power Rating
      Power Range 660-1450 bhp (492-1081 bkW)
      Engine Specifications
      Speed Range 1600-2300 rpm
      Emissions IMO II, EU IW
      Aspiration TTA
      Bore 145.0 mm
      Stroke 162.0 mm
      Displacement 32.1 l
      Rotation from Flywheel End Counterclockwise
      Configuration Vee 12, 4-Stroke-Cycle Diesel
      Dimensions & Weights
      Minimum Dry Weight 3152.0 kg
      Minimum Length 2121.0 mm
      Maximum Length 2284.0 mm
      Minimum Height 1547.0 mm
      Maximum Height 1587.0 mm
      Minimum Width 1528.0 mm
      Maximum Width 1528.0 mm
      AIR INLET SYSTEM
      • Separate Circuit After-Cooled (SCAC
      • Air cleaner
      • Turbochargers, jacket water cooled
      • Turbochargers inlet, 152 mm (6 in) OD straight connection
      CONTROL SYSTEM
      • Programmable Low Idle (550 - 750 rpm)
      • WOSR (Wide Operating Speed Range) available for - A, B, & C Ratings
      • Programmable High Idle Limit for WOSR Ratings
      • Electronic diagnostics and fault logging
      • Engine and transmission monitoring (speed, temperature, pressure)
      • Electronic fuel/air ratio control
      • Engine Protection Mode for extended ambient conditions
      • Torque Limiting functionality for WOSR ratings only
      • 70-pin customer connector
      • Throttle Input signal options
      COOLING SYSTEM
      • Separate Circuit After-Cooling (SCAC) for Heat Exchanged (HEX) & Keel cooled engines
      • Jacket Water (JW) and SCAC Heat Exchangers Shell & Tube for HEX cooled engines
      • SCAC pump, gear driven
      • Jacket water pump, gear driven
      • Sea water pump, bronze impeller, gear driven, for HEX cooled engines only
      • Sea water Pump & JW Heat Exchanger Connection: 76.2 mm (3in) ID Standard
      • Keel Connections: 76.2 mm (3in) ID Standard 4 Bolt ANSI Flange Connection
      • SCAC and JW shunt tanks for maintaining proper pump inlet pressures
      EXHAUST SYSTEM
      • 4 Bolt 130 mm (5.12 in) diameter flanged outlet
      • Water-cooled exhaust manifold & turbocharger
      FLYWHEELS & FLYWHEEL HOUSINGS
      • SAE standard rotation (CCW facing exciter end)
      • Flywheel Housing: SAE No. 0, Flywheel: 18 inch, 136 teeth
      FUEL SYSTEM
      • Duplex Fuel Filters, Spin-on, RH & LH service
      • Fuel connections size:Supply JIC 37 Deg -10 (7/8-14), Return JIC 37 Deg -8 (3/4-16)
      • Plate Type Fuel Cooler installed behind Aftercooler Shunt Tank
      • Fuel transfer pump, gear driven
      • Manual fuel priming pump
      • Hybrid fuel line design
      LUBE SYSTEM
      • Simplex Oil Filters, RH or LH service
      • Deep sump oil pan
      • RH or LH service oil filler locations
      • RH or LH service dipstick
      • Oil pump, gear driven
      MOUNTING SYSTEM
      • Front support - adjustable
      POWER TAKE-OFFS
      • Front Poly-V groove pulley (Quantity 1) for auxiliary drives
      GENERAL
      • Common electrical bonding point
      • Engine does not ship with zinc components
      Air Inlet Systems
      • Air Inlet Cleaner
      • Air Inlet Adapter
      Charging Systems
      • Battery Charger
      • Charging Alternators
      • Ammeter
      Cooling System
      • Marine Gear/Transmission Oil Coolers
      • Connections
      Exhaust System
      • Dual Elbow
      • Flexible Fitting
      • Dual Muffler
      • Muffler Spark Arresting
      • Flange
      Fuel System
      • Water Separator
      Instrumentation
      • OEM Wiring Harness
      • Engine to Engine Harness
      • Instrument Panels
      • Exhaust Temperature Sensors
      • Wiring Harness
      • Gauges
      • Transmission Sensors
      Lube System
      • Transmission Oil Cooler
      • Manual Sump Pump
      • Duplex Oil Filters
      Protection System
      • Fuel and Oil Shielding
      Starting System
      • Air Starting Motor
      • Air Start Accessories
      • Electric Starting Motors - Single 24 Volt
      • Starting Aids
      • Battery Sets - 24 Volt - Dry
      • Dual Starting Motors (Electric and Air)
      Packing
      • Engine Protective Cover
      • Export Packing
      • Storage Preservation
      Mounting System
      • Front Support
      • Adapter Kits
      • Isolator Mounts
      Power Take-Offs
      • Front Enclosed Clutches
      • Rear Hydraulic Pump Drive
      GENERAL
      • Fumes Disposal
      CONTROL SYSTEM
      • Instrument Panels
      • CATERPILLAR ALARM AND PROTECTION
      • Fuel and Oil Shielding

      Product specifications, standard and optional equipment may vary depending on stock availability. For more information or to verify specific product details, please get in touch with one of our sales representatives.

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