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Caterpillar C18-479 Marine Main Engine

The Caterpillar C18-479 marine main engine series is an I-6, 4-Stroke-Cycle-Diesel engine with a 145 mm (5.7 in) bore, 183 mm (7.2 in) stroke and 18.0 L (1098 cu in) displacement. Lube oil system with replaceable oil filter: 45 L (12 gal) with common rail fuel system and electronic (A5E2 V2 ECM) governor.
The Caterpillar C18-479 marine main engine series has a rated speed range of 1800 RPM and a rated power range of 479 bhp (357 bkW).
Caterpillar C18-479 marine main engine series complies with US EPA Tier 3/IMO II emission certifiCaterpillarion (commercial), RCD 2016, EU Stage IIIA emission standards, CCNR Stage II standards by following EU Stage IIIA standards, and the intake air is turbocharged cold.
Combustion air temperatures up to 50 °C (122 °F) measured at the turbocharger air compressor inlet, seawater temperatures up to 32 °C (89.6 °F) and fuel temperatures up to 40 °C ( 104 °F).
As a partner of Caterpillar marine main engine for many years, EMAC is a professional power system solution provider. We provide global customers with one-stop power system-sales solutions from power system design to power system supply, from installation to commissioning, and from after-sales. Program. With sales service support for spare parts supply, EMAC is your reliable powertrain partner, offering you the best cost-effective and reliable system solutions.

Advantages of Cat C18-479 Marine Main Engine

  • Engine Design : Proven reliability and durability, 45 °C ambient capability*, Robust diesel strength design prolongs life and lowers owning and operating costs, Broad operating speed range.

  • Custom Packaging : Trust a Cat factory custom package to meet your exact petroleum application needs. Cat engines, generators, enclosures, controls, radiators, transmissions — anything your project requires — can be custom designed and matched to create a one-of-a kind solution. Custom packages are globally supported and are covered by a one-year warranty after startup.

  • Full Range of Attachments : Large variety of factory-installed engine attachments reduces packaging time.

  • Testing : Every engine is full-load tested to ensure proper engine performance.

  • Over 80 Years of Engine Manufacturing Experience : Over 80 years of natural gas engine production Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products.

Technical Specifications

Basic Introduction of Caterpillar C18-479 Marine Main Engine

Engine Model:C18-479
Engine Type:Inline 6, 4-Stroke-Cycle Diesel
Displacement:18 L
Rated Power / Speed:479 HP @ 1800 RPM
Aspiration Method:Turbocharged Aftercooled (TA)
Emission Standard:UN ECE R96 Stage IIIA
Bore * Stroke:1145 mm (5.7 in) * 183 mm (7.2 in)
Packing Size(L * W * H):1854 mm * 1134 mm * 1300 mm
Weight , Net Dry:1950 kg (4299 lb)
Lead Time:15-30 Working Days
Payment Terms:T/T ,L/C

Engine Model

Rated Power



C18-ME454454 HP @ 1800 RPMA Rating – EM0082-00Turbocharged and Aftercooled
C18-ME479479 HP @ 1800 RPMA Rating – EM0083-00Turbocharged and Aftercooled
C18-ME600600 HP @ 1800 RPMA Rating – EM0075-00Turbocharged and Aftercooled

General Engine Specifications of CAT C18-ME479 Marine Main Engine

Basic Engine SpecificationsI-6, 4-Stroke-Cycle-DieselEmission IMO II Compliant
Displacement18.0 L (1098 in³)Bore*Stroke145 mm (5.7 in)*183 mm (7.2 in)
Rated Engine Speed1800 RPMAspirationTurbocharged and Aftercooled Aspiration
Fuel SystemMEUI Fuel SystemRefill Capacity – Lube Oil System49 L (13 gal) Shallow Pan
Refill Capacity – Cooling System45 L (12 gal)Refill Capacity – Lube Oil System68 L (18 gal) Deep Pan
Length1854 mm (73.0 in)Width1134 mm (44.6 in)
Height1300 mm (51.2 in)Weight, Dry (Approx)1950 kg (4299 lb)

Performance of CAT C18-ME479 Marine Main Engine

Max PowerRPMBHPg/hrbkWg/bkW-hrProp DemandRPMBHPg/hrbkWg/bkW-hr

coming soon

Standard Engine Equipment of CAT C18-ME479 Marine Main Engine

Separate Circuit Aftercooler (SCAC)Fuel Filter, Front ServiceWatercooled Exhaust Manifold and TurbochargerElectronic Diagnostics and Fault Logging
Heavy-Duty Inlet Air FilterFuel Transfer and Priming PumpsCenter Sump Oil Pan, Deep or ShallowFront Support Adjustable Mounting System
Heat Exchanger or Keel CoolingHybrid Fuel LinesOil Filler, Filter, and Dipstick, Front ServiceFront Damper Guard
SCAC and JW Shunt Tanks with Sight GlassElectronic Fuel / Air Ratio ControlMEUI Fuel SystemCustomer Wiring and Service Tool Connector

Optional Equipment of CAT C18-ME479 Marine Main Engine

Exhaust System1. Dry BendInstrument1. Dashboard: Marine Power Display, Color Marine Power Display, Color Mpd (Marine Power Display) Dual Display Harness, Mpd Wiring Connector Kit
2. Water-Cooled Elbow2. Oem Wiring Harness
3. Expansion Joint3. Wiring Harness Between Engines
4. Flange4. Meter
5. Silencer5. Transmission Sensor
6. Spark Extinguishing Muffler6. Oil Level Sensor
Lubrication System1. Duplex Oil FilterInstall The System1. Vibration Isolator
2. Transmission Oil Cooler2. Front Support
3. Sump Pump3. Rear Support
Air Intake System1. Air Intake AdapterCooling System1. Auxiliary Expansion Tank Flange Kit
Charging System1. Battery ChargerFuel System1. Duplex Fuel Filter
2. Charging The Alternator2. Fuel Hose
3. Alternator Installation Assembly3. Fuel Cooler
4. Ammeter4. Primary Fuel Filter
Control System1. Mecp IProtection System1. Classification Societies and Solas
2. Caterpillar Alarm Systems and Protection2. Classification Societies and Fire Performance
Starting System1. 24 V Single Starter MotorPower Output1. The Pto (Power Take Off) Option Requires Torsional Vibration Analysis
2. Air Starter Motor2. Crankshaft Pulley
3. Air Starting Accessories3. Front Short Shaft
4. Start Aid – Jw Heater4. Hydraulic Pump Drive Adapter
5. Battery Pack – 24 Volt – Dry5. Front Closed Clutch

Modifiable of CAT C18-ME479 Marine Main Engine

Air Intake System1. Installation Position of Air FilterStarting System1. 12V Starter Motor for 12V Electric System
2. Upgrade to  Heavy-Duty Type Air Fitler2. Upgrading to Specified Brand and Speicifications of  Starter Motor
Exhuast System1. Can Modify Installation Position and Direction of TurbochargerCharging System1. 12V Charging Alternator for 12V Electric System
2. Water-Cooled Exhuast Manifold2. Explosion-Proof Charging Alternator
3. Water-Cooled Turbocharger3. Upgrading to Specified Brand and Speicifications of Charging Alternator
Cooling System1. Can Modify Engine Into Keel Cooling SystemEngine Auiliary Accessories1. Additional Auxiliary Systems Can Be Added for Special Applications
Lubricating System1. Oil Pan PositionPower Output System1. Can Modify Size of Flywheel Housing and Flywheel
2. Number of Dipstick2. Dual-Ear Flywheel Housing (for Twin-Starter System)
3.  Position of Dipstick Can Choose From 6 Positions3. Some of Models Can Modify Flywheel Housing Into Pto Integrated Type
4. Can Modify Oil Filter to Be Remote Installation4. Engine Have Connecting Port of Ptos, That Able to Provide Power Output
Engine Mounting System1. Can Modify Engine Mouting BracketFuel System1. Upgrade to Fuel Fitler That Integrated with Fuel Transfer Pump and Fuel Pre-Hearter

Note: All Above Data are Just for Referenece, All Data Might Change Without Notices or Update, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

The picture of Sale Manual showing the accessories and scopes of supply.

Engine Sale Manual

The picture of Installation Drawing showing the accessories and scopes of supply.

Installation Drawing

The picture of Installation Manual showing the accessories and scopes of supply.

Installation Manual

The picture of Operation Manual showing the accessories and scopes of supply.

Operation Manual

The picture of Engine Parts Catalogue showing the accessories and scopes of supply.

Parts Catalogue

The picture of Test Report and Certifcate showing the accessories and scopes of supply.

Report & Certifcate

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