Cummins N855-M350 Marine Engine
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Cummins N855-M350 Marine Engine
Category:
Power:
261 kW (350 HP)
Rating type:
Continuous Duty
Type:
In-line 6-cylinder, 4-stroke
Application:
Marine Propulsion
Packing Size:
2160×1100×1900mm
Weight:
2100 kg
HS Code:
840810
Technical Specification of Cummins N855-M350 Marine Engine
Engine Model
Cummins N855-M350
Fuel System
PT Fuel System (Mechanical)
Rated Power
261 kW (350 HP)
Peak Engine Torque
1523 Nm @ 1500 RPM
Rated Speed
1800 RPM
Compression Ratio
14.5:1
Rating Type
Continuous Duty
Fuel Consumption at Rated Speed
68.9 L/h (18.2 gal/h)
Bore
140mm [5.5 in]
Cooling system
Jacket Water + LTA Aftercooling
Stroke
152mm [6.00in]
Firing Order
1-5-3-6-2-4
Aspriration
Turbocharged/ Low Temperature Aftercooled
Dry Weight
1302 kg
Displacement
14.0 L (857 in³)
Emission
IMO Tier I
General Information of Cummins N855-M350 Marine Engine
🧩 Product Description
The Cummins N855-M350 marine engine is a 14-liter, 6-cylinder, turbocharged diesel engine rated at 350 HP @1800 RPM, engineered for continuous-duty applications. Built on Cummins’ trusted N-series platform, this Power engine combines long-lasting reliability with stable power output for vessels requiring uninterrupted service.
Manufactured by Chongqing Cummins Engine Co., Ltd., the N855-M350 power unit is widely used in tugboats, ferries, pilot boats, and other demanding marine operations where power, endurance, and compliance matter.
⚙️ Specifications
- Engine Model: Cummins N855-M350
- Configuration: In-line 6-cylinder, 4-stroke
- Displacement: 14.0 L (857 in³)
- Bore x Stroke: 140 mm x 152 mm
- Aspiration: Turbocharged with Low Temperature Aftercooling (LTA)
- Fuel System: PT Fuel System (Mechanical)
- Rated Power: 261 kW (350 HP) @ 1800 RPM
- Peak Torque: 1523 Nm @ 1500 RPM
- Compression Ratio: 14.5:1
- Dry Weight (Engine Only): 1302 kg
- Dry Weight (with HE system): 1441 kg
- Fuel Consumption @ 1800 RPM: 68.9 L/h (18.2 gal/h)
- Emission Compliance: IMO Tier I / MARPOL 73/78 Annex VI
- Cooling System: Jacket Water + LTA Aftercooling
- Starting System: Mechanical Governor, 24V optional
🌟 Product Advantages
- Continuous Duty Rating: Designed for full-time operation under constant load, ideal for commercial marine applications.
- High Reliability: Proven Cummins N-series architecture for low failure rates and long service intervals.
- IMO Tier I Certified: Compliant with international marine emission standards.
- Simple Mechanical Design: PT mechanical fuel system offers easy maintenance and global parts availability.
-
Stable Power Curve: Delivers full-rated power at 1800 RPM with smooth torque performance.
🔧 Key Features
- Turbocharged with Aftercooling for better combustion efficiency
- High peak torque (1523 Nm) provides excellent bollard pull and acceleration
- Mechanical fuel system reduces complexity and allows easier field servicing
- Durable cast iron block and forged components built for harsh marine conditions
- Compatible with keel cooling or heat exchanger setups
-
Fully supported by Cummins global service and parts network
🚢 Applications
- Tugboats & Pushboats
- River & Coastal Ferries
- Cargo and Utility Vessels
- Fishing and Dredging Boats
- Pilot & Government Patrol Boats
-
Workboats in offshore and inland waters
📦 Product Availability
The Cummins N855-M350 marine propulsion engine is available for:
- Worldwide export and technical support
- Custom configuration with gearboxes, keel cooling, or generator sets
-
Genuine Cummins spare parts and lifecycle support
📩 Contact us today for pricing, lead time, or tailored solutions for your marine power needs.
Download of Cummins N855-M350 Marine Engine Datasheet
Model
Power
Emission
Datasheet
Drawing
Service Manual
Model
Cummins N855-M350
Power
261 kW (350 HP) @ 1800 RPM
Emission
IMO Tier I
Datasheet
Drawing
Download
Service Manual
Download
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