3508C

Why Choosing It

Electronic Control Unit (ECU) A3

 

• One of the most advanced electronic control systems available for Cat marine engines.
• Faster and with a higher memory capacity than ADEM 2
• Compatible with various display systems on demand
• Does not require fuel cooling
• Improved input/output capability
• Rugged marine design and IP66 connectors
• Award-winning circuit design

 

Instrument Panel Mounted on the Engine

 

• Integrated MPD display for fast response and efficient local control
• Local speed control on demand
• Optional single cylinder exhaust temperature analyzer with data link for remote support
• Local emergency stop, warning indicator, horn
• Plug & Run connections allow attachment to the right or left side of the engine

 

Marine Power Display (MPD)

 

• Graphic display of engine operating parameters in analog, digital or bar format
• Sturdy waterproof construction
• Fully user configurable screens
• Marine Classification Society Approved
• Diagnostic messages and alarms
• Event priority and three-level diagnostics
• Multilingual functionality
• LCD display with night mode
• ISO symbols for identifying parameters

 

High efficiency and capacity turbochargers

 

• Standard marine configuration with twin turbochargers.
• Greater power conservation for higher part load performance at constant ratings
• Turbochargers tuned for high power and excellent fuel consumption

 

Engine Mounted Cat© Plate Heat Exchanger

 

• SCAC (Separate Circuit Aftercooled)
• Single heat exchanger for jacket water and aftercooler system • Single inlet and outlet connections for seawater
• Lightweight and compact
• Factory installed fittings and tubing

 

Rigid wiring

 

• High durability: long service life
• Flexibility for custom wiring additions
• Compatible with firefighting foam
• Cost-effective replacement for special wiring
• Marine Classification Society Approved

 

Power Distribution Box

 

• Isolates control power from alternator/starter/jacket water heater power
• Can also be mounted not on the engine
• Allows the end user to choose up to three independent power sources
• It has built-in circuit breakers for easy troubleshooting

 

Applications of the Marine Classification Society

 

• ABS/DNV/LR/GL/CCS/BV/RINA

 

Electronic functions

 

• Data in 3D histograms of engine operation (load, rpm, time)
• Load feedback signal for CPP operation
• Electronic torque limiting for repower equipment and torque limited applications
• Programmable droop
• Adjustable controller gains
• Condition-based maintenance
• Monitoring functions
• Serial data bus communications
• Primary and secondary A3 controllers on all propulsion engines

 

Wheelhouse Panels Cat

 

• Cat Wheelhouse Panels with or without Marine Power Display (MPD)
• Easily connected to the motor connector
• Ability to use full functionality main panels and reduced functionality secondary panels

 

Unit injectors

 

• System designed and built by Caterpillar
• “Drop-in” installation
• No threaded fuel fittings
• High-pressure internal injectors do not require double-wall piping or leak collection devices

Power Grip

 

• PTO adapters available
• Auxiliary transmissions for power take-offs for hydraulic pumps and compressors

 

Gear Pumps Mounted on the Engine

 

• Standard engine mounted aftercooler pump
• Standard engine mounted jacket water pump
• High-capacity, gear-driven, engine-mounted seawater pump available on request

 

Engine Support System

 

• Rigid support points
• Elastic mounting on request

 

Hull overhaul

 

• Easily removable side covers
• Accessible bearing caps

Technical Features

 

NOMINAL POWER

Power range

775-1.100 bhp (578-820 bkW)

TECHNICAL SPECIFICATIONS OF THE ENGINE

 

Speed range	1.200-1.600 rpm
Emissions	IMO II, EU IW
Aspiration	TTA
Bore	170 mm
Stroke	190 mm
Displacement	34.5 l
Rotation from the flywheel side	Anti-clockwise or clockwise
Configuration	4-stroke diesel configuration, V 8

DIMENSIONS AND WEIGHTS

 

Minimum dry weight	4960 kg
Length	2117 mm
Height	1829 mm
Width	1703 mm

Standard Equipment

The engine includes standard equipment, already included in the purchase package. They are:

 

FUEL SYSTEM

• Fuel filter, right, with restriction indicators.

• Fuel delivery pump.

• Injectors with electronically controlled initialisation

INSTRUMENTATION

• Graphics unit (Marine Power Display) for analog or digital display of

LUBRICATION SYSTEM

• Crankcase breather, top mount

• Oil filter, right, with clogging indicators

• Filler neck and oil dipstick, RH

• Standard oil pan (500 hour engine oil change interval)

• Oil pump, gear driven

SUPPORT SYSTEM

• Rails, Motor Mount, Handrail Type, 203 mm x 203 mm (8 x 8 in)

POWER TAKE-OFFS

• Accessory control

• Front housing, two sides

PROTECTION SYSTEM

• The A4 ECU electronic monitoring system offers customer programmable engine power reduction strategies to ensure protection against adverse operating conditions

• The AIII electronic monitoring system offers the customer programmable engine power reduction strategies to protect it from adverse operating conditions

• Emergency stop button (located in the electronic instrument cluster) Safety stop protection:

GENERAL INFORMATIONS

• Vibration damper and protection

• Lifting rings

• Engine painted Caterpillar Yellow with black guides

• NOTE: Engines intended for heat exchanger cooling do NOT include a heat exchanger.

FLYWHEEL AND RESPECTIVE HOUSING

• Flywheel, SAE No. 0, 151 teeth.

• Flywheel housing, SAE No. 0.

AIR INTAKE SYSTEM

• Aftercooler core with separate circuit, with corrosion-resistant coating (air side)

• Air filter, for normal uses

• Twin turbochargers, straight connection O.D. of 152 mm (6 in)

CONTROL SYSTEM

• Dual electronic control of the Caterpillar A-III, SX engine with electronic unit injector fuel system

• Hard wire harness (10A DC power required to drive the electronic engine control module)

COOLING SYSTEM

• Oil heat exchanger

• Thermostats and Case, Full Open Temperature 92°C (198°F)

• Jacket water pump, gear driven, centrifugal

• Auxiliary fresh water pump with SCAC motors

• Auxiliary seawater pump, Centrifugal, Not self-priming

• Expansion tank

EXHAUST SYSTEM

• Gas-tight dry exhaust manifolds with heat shields.

• Twin turbochargers with water-cooled bearings and heat shield.

• Exhaust gas outlet, vertical, 203 mm (8 in) round flanged outlet.

Equipment on Demand

Upon request, the following equipment can be added to the engine:

 

CHARGING SYSTEM

• Charger, 10 A

• Charging alternators

COOLING SYSTEM

• Water level switch indicator

• Coolant level sensors

• Connections

• Keel cooling conversions

• Heat exchangers

• Auxiliary water pumps

• Removing the seawater pump

• Coolant bypass tanks

• Air separator

• Marine gear cooling

INSTRUMENTATION

• PL1000T communication module

• User interface

• Thermocouples

• Remote panel display

• Remote cylinder temperature display

• Wheelhouse instrument panels

• Marine gear sensors

• Engine Vision display system

SUPPORT SYSTEM

• Engine mounts

• Anti-vibration insulators

POWER TAKE-OFFS

• Front housing accessories

• Flexible connection and protections

• Left front upper position:

• Front right upper position:

• Upper right rear position:

• Lower front left position:

• Left rear lower position:

• Front housing accessory drive

• Upper left accessory drive

• Right upper accessory drive

• Front power take-offs

• Crankshaft pulleys

• Removable damper protection

AIR INTAKE SYSTEM

• Remote intake air adapters

CONTROL SYSTEM

• Throttle position sensor

• Throttle position signal conversion

• Removing the throttle position sensor

• Local speed accelerator control

• Throttle synchronization

EXHAUST SYSTEM

• Exhaust gas outlet

• Flexible fittings

• Elbows

• Flange

• Exhaust flange and expanders

• Silencers

LUBRICATION SYSTEM

• Oil Cup

• Oil pan accessories

• Extraction pumps

• Lubricating oil

PROTECTION SYSTEM

• Intake air stops

• Switches and contactors

• Explosion relief valve

• Sensors

SPECIAL EQUIPMENT

• Special fittings with chrome covers

• Chromed relief valves

• Black air filters

• Yacht Class finish

STARTING SYSTEM

• Starter motors or rotation device

• Air Starter Options:

• Starting aids

• Battery packs – 24 V – dry

• Battery racks

GENERAL INFORMATIONS

• Tool kit

• Caterpillar Datalink wire

PACKAGING

• Protection with heat shrink film

• Storage protection with glycolic solution/vapour corrosion inhibitor

• Storage protection with vapor corrosion inhibitor

• Export packaging