C32 IMO II

SPECS SUMMARY

Power Range	660-1450 bhp (492-1081 bkW)
Speed Range	1600-2300 rpm
Emissions	IMO II, EU IW
Aspiration	TTA

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.

Specifications

Power Range	660-1450 bhp (492-1081 bkW)
Speed Range	1600-2300 rpm
Emissions	IMO II, EU IW
Aspiration	TTA
Bore	5.71 in (145 mm)
Stroke	6.38 in (162 mm)
Displacement	1959 in³ (32.1 l)
Rotation from Flywheel End	Counterclockwise
Minimum Dry Weight	6950 lb (3152 kg)
Minimum Length	77.8 in (2121 mm)
Maximum Length	83.5 in (2284 mm)
Minimum Height	60.9 in (1547 mm)
Maximum Height	62.5 in (1587 mm)
Minimum Width	60.17 in (1528 mm)
Maximum Width	60.17 in (1528 mm)
Configuration	Vee 12, 4-Stroke-Cycle Diesel

Benefits and 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

Standard Equipment

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