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-ME280 | 280 HP @ 2300 RPM | 1098 Nm @ 1800 RPM | C7.1-ME350 | 350 HP @ 2500 RPM | 1231 Nm @ 1800 RPM | ||
| C7.1-ME400 | 400 HP @ 2600 RPM | 1357 Nm @ 1900 RPM | C7.1-ME425 | 425 HP @ 2700 RPM | 1382 Nm @ 1900 RPM | ||
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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
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
Caterpillar C7.1-ME350 Marine Main Engine
Rated Power: 261 HP @ 2500 RPM
Engine Type: I-6, 4-Troke-Cycle-Diesel
Bore x Strock: 105 mm x 135 mm
Aspiration: Turbocharged-Aftercooled
Emission Standard: IMO II
Caterpillar C7.1-ME400 Marine Main Engine
Rated Power: 298 HP @ 2600 RPM
Engine Type: I-6, 4-Troke-Cycle-Diesel
Bore x Strock: 105 mm x 135 mm
Aspiration: Turbocharged-Aftercooled
Emission Standard: IMO II
Caterpillar C7.1-ME425 Marine Main Engine
Rated Power: 317 HP @ 2700 RPM
Engine Type: I-6, 4-Troke-Cycle-Diesel
Bore x Strock: 105 mm x 135 mm
Aspiration: Turbocharged-Aftercooled
Emission Standard: IMO II
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