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Caterpillar C7.1 Marine Main Engine

The Caterpillar C7.1 marine main engine series is an I-6, 4-Stroke-Cycle-Diesel engine with a 105.0 mm (4.31 in) bore, 135.0 mm (5.31 in) stroke and 7.01 L (428 in³) displacement. Lube oil system with replaceable oil filter: 20 L (5.3 gal) with common rail fuel system and electronic (A5E2 V2 ECM) governor.
The Caterpillar C7.1 marine main engine series has a rated speed range of 2300-2700 RPM and a rated power range of 280-425 bhp (209-317 bkW).

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.
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 Caterpillar.

General Specifications of C7.1 Series

Engine Type:I-6, 4-Stroke-Cycle-Diesel
Displacement:7.01 L
Bore * Stroke:105 mm * 135 mm
Advertised Power:317 HP @ 2700 RPM
Peak Torque:1098- 1382 Nm @ 1800 – 1900 RPM 
Rated Speed:2700 RPM
Emissision:IMO II
Aspiration Method:Turbocharged-Aftercooled
Wet Weight:760 kg (1676 lb)
Dimission Standards:1095 mm * 798 mm * 876 mm

Engine Model

Rated Power

Peak Torque

Engine Model

Rated Power

Peak Torque

C7.1-ME280209 HP @ 2300 RPM1098 Nm @ 1800 RPMC7.1-ME350261 HP @ 2500 RPM1231 Nm @ 1800 RPM
C7.1-ME400298 HP @ 2600 RPM1357 Nm @ 1900 RPMC7.1-ME425317 HP @ 2700 RPM1382 Nm @ 1900 RPM

Caterpillar C7.1 Series Marine Main Engine

This is the list of all series of Caterpillar C7.1 Series Marine Main Engine.
Click here to find marine main engines by type (Fuel System & Emission Standard).

Caterpillar C7.1-ME280 Marine Main Engine

Caterpillar C7.1-ME280 Marine Main Engine

Rated Power: 209 HP @ 2300 RPM
Engine Type:I-6, 4-Stroke-Cycle-Diesel
Aspiration: Turbocharged-Aftercooled
Bore x Strock: 105 mm x 135 mm
Emission Standard: IMO II

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