Commercial Propulsion Engines

  • Specification Summary

  • Power Range 660-1450 bhp (492-1081 bkW)
  • Speed Range 1600-2300 rpm
  • Emissions IMO II, EU IW
  • Aspiration TTA
product-C32 ACERT IMO II Commercial Propulsion Engines
The C32 ACERT 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 ACERT marine engine is supported by the extensive Cat global dealer network and Caterpillar’s standard warranty.

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

Dimensions & Weights

Minimum Dry Weight 3152 kg
Minimum Length 2121 mm
Maximum Length 2284 mm
Minimum Height 1547 mm
Maximum Height 1587 mm
Minimum Width 1528 mm
Maximum Width 1528 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

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

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

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

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

Dual Elbow

Flexible Fitting

Dual Muffler

Muffler Spark Arresting

Flange

Fuel System

 Water Separator

Water Separator

Instrumentation

 OEM Wiring Harness

 Engine to Engine Harness

 Instrument Panels

 Exhaust Temperature Sensors

 Wiring Harness

 Gauges

 Transmission Sensors

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

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)

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

Front Enclosed Clutches

Rear Hydraulic Pump Drive

GENERAL

 Fumes Disposal

CONTROL SYSTEM

 Instrument Panels

 CATERPILLAR ALARM AND PROTECTION

 Fuel and Oil Shielding