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Auxiliary Engines

Industry-leading technology allows Caterpillar to create the most reliable commercial engines for a variety of applications. From tugs and container vessels to yachts and sport fishers, Cat and MaK engines have demonstrated their efficiency countless times. With remarkable reliability and durability, these engines will exceed your expectations for decades.

Cat C32 Auxiliary/Generator Set Engine (EPA Tier 3)

C32 ACERT auxiliary/generator set engines incorporate a separate circuit aftercooling system (SCAC) for all configurations. The primary advantage of the SCAC systsem is reduced aftercooler corrosion since no sea water circulates through the aftercooler. Many other improvements on these engines also contribute to minimizing owning and operating costs. The EPA Tier 3, IMO II, EU Stage IIIA compliant ratings are available with heat exchanger or keel cooled options. Heat exchanger configurations have an optional front mounted sea water pump.

  • Specification Summary

  • Minimum Rating 781 bkW
  • Maximum Rating 994 bkW
  • Aspiration TTA
  • Bore 145 mm

Product Details

Power Rating

Minimum Rating 781 bkW
Maximum Rating 994 bkW

Engine Specifications

Aspiration TTA
Bore 145 mm
Configuration Vee 12, 4-Stroke-Cycle Diesel
Displacement 32.1 l
Rotation from Flywheel End Counterclockwise
Stroke 162 mm

Dimensions & Weights

Maximum Dry Weight 3248 null
Maximum Height 1587 mm
Maximum Length 2284 mm
Maximum Width 1528 mm
Minimum Dry Weight 3152 null
Minimum Height 1547 mm
Minimum Length 2121 mm
Minimum Width 1528 mm
  • AIR INLET SYSTEM
    •  Separate circuit after-cooled (SCAC)
    •  Air cleaner
    •  Turbocharger, jacket water cooled
    •  Turbocharger inlet, 152 mm (6 in) OD straight connection
  • CONTROL SYSTEM
    •  Programmable Low Idle (550 - 750 rpm)
    •  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
    •  70-pin customer connector
    •  Throttle Input signal options
    •  0 - 5 Volts
    •  4 - 20 mA
    •  PWM (Pulse Width Modulated)
  • Programmable Low Idle (550 - 750 rpm)
    • 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
              • 70-pin customer connector
                • Throttle Input signal options
                  • 0 - 5 Volts
                    • 4 - 20 mA
                      • PWM (Pulse Width Modulated)
                        • COOLING SYSTEM
                          •  Separate Circuit After-Cooling (SCAC) for both HEX and 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, when selected for Hex cooled engines
                          •  Sea water Pump & JW Heat Exchanger Connection: 76.2 mm (3in) ID Standard 4 Bolt ANSI Flange Connection
                          •  Keel Connections: 76.2 mm (3in) ID Standard 4 Bolt
                          •  SCAC and JW shunt tanks for maintaining proper pump inlet pressures
                        • EXHAUST SYSTEM
                          •  Water-cooled exhaust manifold & turbocharger
                          •  4 Bolt 130 mm (5.12 in) diameter flanged outlet
                        • Water-cooled exhaust manifold & turbocharger
                          • 4 Bolt 130 mm (5.12 in) diameter flanged outlet
                            • FLYWHEELS & FLYWHEEL HOUSINGS
                              •  SAE standard rotation (CCW facing exciter end)
                              •  Flywheel Housing: SAE No. 0, Flywheel: 18 inch, 136 teeth
                            • 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: r driven
                                  •  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 - 33 inches wide
                                • 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
                                • EXHAUST SYSTEM
                                  •  Dry Elbows
                                  •  Flexible Fitting
                                  •  Flange
                                  •  Muffler
                                  •  Muffler Spark Arresting
                                • Dry Elbows
                                  • Flexible Fitting
                                    • Flange
                                      • Muffler
                                        • Muffler Spark Arresting
                                          • AIR INLET SYSTEM
                                            •  Air Inlet Adapter
                                          • Air Inlet Adapter
                                            • CHARGING SYSTEM
                                              •  Battery Chargers
                                              •  Charging Alternators
                                              •  Ammeter
                                            • Battery Chargers
                                              • Charging Alternators
                                                • Ammeter
                                                  • CONTROL SYSTEM
                                                    •  Load Sharing Attachment
                                                    •  Instrument Panels
                                                    •  Caterpillar Alarm Protection
                                                    •  Fuel and Oil Shielding
                                                  • FUEL SYSTEM
                                                    •  Water Separator
                                                  • GENERAL
                                                    •  FUMES DISPOSAL SYSTEM
                                                  • FUMES DISPOSAL SYSTEM
                                                    • INSTRUMENTATION
                                                      •  Instrument Panels
                                                      •  OEM Wiring Harness
                                                      •  Engine to Engine Harness
                                                      •  Gauges
                                                      •  Transmission Sensors
                                                      •  Exhaust Temperature Sensors
                                                    • LUBE SYSTEM
                                                      •  Duplex Oil Filters
                                                      •  Sump Pump
                                                    • POWER TAKE-OFFS
                                                      •  Rear Hydraulic Pump Drive
                                                    • Rear Hydraulic Pump Drive
                                                      • STARTING SYSTEM
                                                        •  Electric Starting Motors - Single 24 Volt
                                                        •  Air Starting Motor
                                                        •  Dual Starting Motors (Electric and Air)
                                                        •  Air Start Accessories
                                                        •  Starting Aids - JW Heaters
                                                        •  Battery Sets - 24 Volt - Dry
                                                      • MOUNTING SYSTEM
                                                        •  Front Support
                                                        •  Rear Support
                                                        •  Isolators Mounts
                                                        •  Adapter Kits
                                                      • Front Support
                                                        • Rear Support
                                                          • Isolators Mounts
                                                            • Adapter Kits
                                                              • PACKING
                                                                •  Engine Protective Cover
                                                                •  Storage Preservation
                                                                •  Export Packing
                                                              • Engine Protective Cover
                                                                • Storage Preservation
                                                                  • Export Packing
                                                                    Catepillar Equipments

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