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Caterpillar C9.3 Marine Main Engine

The Caterpillar C9.3 marine main engine series is an I-6, 4-stroke cycle diesel engine, 115.0 mm (4.5 in) bore, 149.0 mm (5.8 in) stroke, 9.3 liters (567.5 in³) displacement. Common Rail Fuel System Common rail fuel system for optimal combustion and low emissions with 12V or 24V electrical system.

Caterpillar C9.3 marine main engine series has a rated speed range of 1800-2300 RPM and a rated power range of 375-476 bhp (280-355 bkW).
The Caterpillar C9.3 marine main engine series is EPA Tier 3 and IMO II certified. Additionally, the propulsion engines are rated EU Stage IIIA and the auxiliary and genset engines are CCNR Stage II certified.
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 for the most cost-effective and reliable system solutions.

If you are in need of engine model that not available on our website for the moment, please contact EMAC sales team for technical details and related documents, our well trained sales and engineering team will help you with all products and techical documents available here at DCEC.

General Specifications of C9.3 Series

Engine Type:I-6, 4-Stroke-Cycle-Diesel
Displacement:9.3 L
Bore * Stroke:115 mm * 149 mm
Advertised Power:355 HP @ 2300 RPM
Peak Torque:N/A
Rated Speed:2300 RPM
Emissision:IMO II
Aspiration Method:Turbocharged-Aftercooled
Wet Weight:1045-1122 kg (2304-2474 lb)
Dimission Standards:1470 mm * 1028 mm * 1060 mm
caterpillar C9.3 Marine Engine Catalogue

Engine Model

Rated Power

Peak Torque

Engine Model

Rated Power

Peak Torque

C9.3-ME375375 HP @ 1800 RPMN/AC9.3-ME416416 HP @ 2100 RPMN/A
C9.3-ME476476 HP @ 2300 RPMN/A
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Caterpillar C9.3 Series Marine Main Engine

This is the list of all series of Caterpillar C9.3 Series Marine Main Engine.
Click here to find marine main engines by type (Fuel System & Emission Standard).

Caterpillar C9.3-ME375 Marine Main Engine

Caterpillar C9.3-ME375 Marine Main Engine

Rated Power: 280 HP @ 1800 RPM
Engine Type: I-6, 4-Stroke-Cycle-Diesel
Bore x Strock: 115 mm x 149 mm
Aspiration: Turbocharged-Aftercooled
Emission Standard: IMO II

Caterpillar C9.3-ME416 Marine Main Engine

Caterpillar C9.3-ME416 Marine Main Engine

Rated Power: 310 HP @ 2100 RPM
Engine Type: I-6, 4-Stroke-Cycle-Diesel
Bore x Strock: 115 mm x 149 mm
Aspiration: Turbocharged-Aftercooled
Emission Standard: IMO II

Caterpillar C9.3-ME476 Marine Main Engine

Caterpillar C9.3-ME476 Marine Main Engine

Rated Power: 355 HP @ 2300 RPM
Engine Type: I-6, 4-Stroke-Cycle-Diesel
Bore x Strock: 115 mm x 149 mm
Aspiration: Turbocharged-Aftercooled
Emission Standard: IMO II

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