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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 / Diesel Electric Propulsion Engine (IMO III)

  • Specification Summary

  • Minimum Rating 781 bkW
  • Maximum Rating 994 bkW
  • Aspiration Turbocharged-aftercooled
  • Displacement 32.1 l

Product Details

Power Rating

Minimum Rating 781 bkW
Maximum Rating 994 bkW

Engine Specifications

Aspiration Turbocharged-aftercooled
Displacement 32.1 l
Stroke 162 mm
Rotation Counterclockwise from flywheel end
Bore 145 mm
Configuration Vee 12, 4-stroke-cycle diesel
Emissions IMO III emissions certified (SCR required)
Cooling Heat exchanger or keel cooled
Flywheel Housing SAE No. 0 with SAE No. 18 flywheel (136 teeth)
Rated Engine Speed 1500 rpm
Governor Electronic (A5 ECM)
Oil Change Interval 750 hrs - deep pan
Refill Capacity Lube Oil System w/ oil filter change: 146 L (38.5 gal) - deep pan

Dimensions & Weights

Maximum Engine Dry Weight 3248 kg
Minimum Height 1507 mm
Minimum Engine Dry Weight 3152 kg
Minimum Width 1451 mm
Maximum Length 2280 mm
Minimum Length 2130 mm
Maximum Width 1455 mm
Maximum Height 1613 mm

Clean Emissions Module (CEM) - Dimensions

6 Brick Z-Flow - Weight 565 kg
6 Brick U-Flow - Width 1445 mm
6 Brick U-Flow - Length 2159 mm
6 Brick U-Flow - Height 597 mm
Dosing Cabinet - Width 477 mm
6 Brick Z-Flow - Height 597 mm
Dosing Cabinet - Weight 95 kg
6 Brick Z-Flow - Length 3751 mm
6 Brick U-Flow - Weight 560 kg
Dosing Cabinet - Length 949 mm
Dosing Cabinet - Height 579 mm
6 Brick Z-Flow - Width 1106 mm
  • AIR INLET SYSTEM
    •  Separate circuit aftercooled (SCAC)
    •  Closed crankcase fumes disposal
  • Separate circuit aftercooled (SCAC)
    • Closed crankcase fumes disposal
      • CONTROL SYSTEM
        •  24V control system
      • COOLING SYSTEM
        •  Heat exchanger or Keel Cooling
        •  Watercooled exhaust manifold and turbocharger
        •  Hard seawater lines – no flexible hoses
        •  Flanges for cooling connections, ANSI or DIN
      • FUEL SYSTEM
        •  Duplex fuel filters with hybrid fuel lines
        •  Shipped loose primary fuel filter with water separator
        •  Fuel transfer and priming pump
      • Duplex fuel filters with hybrid fuel lines
        • Shipped loose primary fuel filter with water separator
          • Fuel transfer and priming pump
            • LUBE SYSTEM
              •  Oil fill, simplex filter and dipstick
              •  Deep or shallow sump oil pan
            • MOUNTING SYSTEM
              •  Adjustable front support mounting system
            • GENERAL
              •  Right or left hand service sides
              •  Customer wiring and service tool connector
            • Right or left hand service sides
              • Customer wiring and service tool connector
                • ALARM AND PROTECTION
                  •  MECP I control panel
                  •  MECP III control panel with Cat® Alarm and Protection System
                • MECP I control panel
                  • MECP III control panel with Cat® Alarm and Protection System
                    • EXHAUST SYSTEM
                      •  Water-in-fuel and exhaust temperature sensors
                      •  Muffler
                    • Water-in-fuel and exhaust temperature sensors
                      • Muffler
                        • CHARGING SYSTEM
                          •  Charging alternator
                        • FUEL SYSTEM
                          •  Manual or electric fuel priming pump
                          •  Fuel cooler
                        • LUBE SYSTEM
                          •  Duplex oil filters
                        • POWER TAKE-OFFS
                          •  Front drives including stub shaft and pump drive
                          •  Rear SAE A or B pump drives
                        • STARTING SYSTEM
                          •  Starting motors – air, electric or redundant
                        • Starting motors – air, electric or redundant

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