C32

C32

The C32 marine propulsion engine is available at ratings that meet EPA Tier 3, EPA Tier 4, and IMO II/III, and EU Stage 5 emissions regulations. It has a separate circuit aftercooling system (SCAC) for A through C ratings and a seawater aftercooling system (SWAC) for D and E ratings. The C32 has several 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 standard warranty.

Power Range 660 - 1600 bhp (492 - 1193 bkW) 660 - 1600 bhp (492 - 1193 bkW)
Speed Range 1600 - 2300 rpm 1600 - 2300 rpm
Emissions U.S. EPA Tier 3/ Tier 4, IMO II/III, EU Stage V U.S. EPA Tier 3/ Tier 4, IMO II/III, EU Stage V

Technicial Specifications

Power Rating
Power Range 660 - 1600 bhp (492 - 1193 bkW) 660 - 1600 bhp (492 - 1193 bkW)
Engine Specifications
Speed Range 1600 - 2300 rpm 1600 - 2300 rpm
Emissions U.S. EPA Tier 3/ Tier 4, IMO II/III, EU Stage V U.S. EPA Tier 3/ Tier 4, IMO II/III, EU Stage V
Aspiration Twin Turbocharged Aspiration Twin Turbocharged Aspiration
Bore 5.71 in 145 mm
Stroke 6.38 in 162 mm
Displacement 1959 in³ 32.1 l
Rotation from Flywheel End Counterclockwise Counterclockwise
Configuration V 12, 4-Stroke-Cycle Diesel V 12, 4-Stroke-Cycle Diesel
Dimensions & Weights
Maximum Height 62.5 in 1587 mm
Minimum Length 77.8 in 2121 mm
Minimum Height 60.9 in 1547 mm
Maximum Width 60.17 in 1528 mm
Maximum Length 83.5 in 2284 mm
Minimum Width 60.17 in 1528 mm

Advantages and Features

Emissions

IMO II/EPA Tier 3 Compliant Ratings

Separate Circuit Aftercooling System (SCAC) for A-C ratings

No seawater circulating through the aftercooling system to prevent corrosion.

Seven Ratings with Wide Operating Speed Range (WOSR)

Full power & torque are available for a broader operating speed range. For example: With an A rating at 1800 rpm - you have full power from 1500 to 1800 rpm.

Extended Oil Change Intervals

A Ratings: 1000 hours, B Ratings: 750 hours, C Ratings: 500 hours

The Cat Global Dealer Network

Extensive service network of CAT dealers as well as unparalleled service from certified authorized marine dealers.

Durability

Proven engine operating history: performance iron with thousands of hours of validation testing for quality and durability

Reliability

Backed by Caterpillar's standard warranty

Standard Equipment

  • AIR INLET SYSTEM
    • Separate Circuit After-Cooled (SCAC)
    • Seawater After-Cooling (SWAC) System
    • 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
    • Seawater After-Cooling (SWAC) System
  • 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

Optional Equipment

  • 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
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