Cummins NTA855-M350 Marine Diesel Engine | Proven Power. Built to Last.

Specifications

• Engine Model: NTA855-M350
• Engine Type: Inline-6 Cylinder, 4-Stroke Diesel
• Bore x Stroke: 140mm x 152mm (5.5 in x 6.0 in)
• Displacement: 14L (855 in³)
• Rated Power: 261kW (350HP) @ 1800 rpm
• Max Torque: 1538 N·m (1134 lb·ft) @ 1500 rpm
• Compression Ratio: 14.5:1
• Aspiration: Turbocharged/Aftercooled
• Fuel System: Full Authority PT Fuel System
• Certifications: IMO Annex VI of MARPOL73/78 guidelines

Production Description

• The Cummins NTA855 Marine Engine is designed for continuous duty operation and long life. It features a robust engine block with metric O-ring seals and edge molded gaskets to eliminate fluid leaks. The engine is equipped with a full power take-off from the front of the crankshaft. The single-piece piston design includes hardened liners and nitride-coated rings for exceptional durability.

Product Advantages

• Enhanced Fuel Economy: The full authority PT fuel system optimizes combustion for improved fuel economy, reduced emissions, and minimal smoke.
• Corrosion Protection: The cooling system includes a Cummins corrosion resistor to protect against cooling system corrosion.
• Optimized Performance: The engine is equipped with WCTT (Holset) HT3B turbochargers and water pump aftercooling for efficient operation and performance optimization.
• Extended Service Intervals: Fleetguard spin-on oil filters provide extended service intervals and less maintenance. The standard capacity (34.0 L [9.0 gal]) or large capacity (36.0 L [9.5 gal]) oil pan allows for longer oil change intervals.
• Prelub System: the prelub system prevents damage caused by dry starts.

Key Features

• Robust Design: Designed for continuous duty operation and long life.
• Emissions Compliance: Compliant with IMO Annex VI of MARPOL73/78 guidelines.
• Cooling Options: Keel cooled or engine mounted plate-type heat exchanger available.
• Premium Fuel Injectors: Utilizes ceramic components for increased durability.
• Electrical System: 24-volt, 100 amp alternator with isolated ground components.

Applications

• The NTA855 marine engine is ideal for a wide range of marine applications requiring continuous service at full power, including：Fishing Boats; Tugboats; Transport Barges; Pilot Vessels; Marine Generator Sets; Offshore Support Vessels; Ferries and Utility Boats.

Product Availability

•  Africa Middle East, Asia Pacific, Europe, Latin America, North America

For your convenience, we also offer global supply and shipping of the Cummins NTA855-M Marine Engine with flexible configuration options based on your vessel’s specifications.

• Available in stock for standard models
• Customization and auxiliary options (gearbox, marine accessories) available upon request
• Our team factory-tests every engine and offers full warranty and technical support.