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Cummins NT855-DM Marine Auxiliary Engine | 205 kW (275 HP) @1500 RPM

Cummins NTA855-DM Marine

Cummins NT855-DM Marine Auxiliary Engine | 205 kW (275 HP) @1500 RPM

Power:

Prime Power: 205 kW (275 HP): Overload Power (110%): 226 kW (302 HP)

Rating type:

Prime Power/ Overload

Type:

6-cylinder inline, 4-stroke diesel

Application:

Marine Propulsion

Packing Size:

2160×1390×1910MM

Weight:

2100KG

HS Code:

840810

Technical Specification of Cummins NT855-DM Marine Auxiliary Engine | 205 kW (275 HP) @1500 RPM

Engine Model

Cummins NT855-DM205

Fuel System

Cummins PT Direct Injection

Rated Power

205 kW (275 HP) @1500 RPM

Peak Engine Torque

Prime: 962 lb.ft.[ 1305N·m ]; Overload: 1061lb.ft.[ 1439N·m ]

Rated Speed

1500 RPM

Compression Ratio

14.5:1

Rating Type

Prime Power/ Overload

Fuel Consumption at Rated Speed

Prime: 48.0 L/h (12.7 gal/h); Overload: 54.0 L/h (14.0 gal/h)

Bore

140mm [5.5 in]

Cooling system

Heat exchanger & Sea water pump

Stroke

152mm [6.00in]

Firing Order

1-5-3-6-2-4

Aspriration

Turbocharged

Dry Weight

1270 kg (2800 lbs)

Displacement

14 L (855 in³)

Emission

IMO Tier I

General Information of Cummins NT855-DM Marine Auxiliary Engine | 205 kW (275 HP) @1500 RPM

📦 Product Description

The Cummins NT855-DM, delivering 205 kW (275 HP) @1500 RPM, is designed for continuous-duty marine auxiliary applications such as shipboard generator sets and auxiliary power supply. Whether powering navigation systems, hotel loads, deck machinery, or emergency pumps, this engine ensures stable operation in harsh marine environments.

With IMO Tier I certification (MARPOL Annex VI), it meets global environmental regulations while delivering fuel efficiency and predictable maintenance, making it an excellent fit for cargo ships, tugs, offshore support vessels, and workboats.


📊 Detailed Key Specifications

  • Engine Model: Cummins NT855-DM205
  • Configuration: Inline 6-cylinder, 4-stroke diesel
  • Displacement: 14 L (855 in³)
  • Bore × Stroke: 140 × 152 mm (5.50 × 6.00 in)
  • Aspiration: Turbocharged
  • Compression Ratio: 14.5:1
  • Fuel System: Cummins PT Direct Injection (mechanical)
  • Prime Power: 205 kW (275 HP) @1500 RPM
  • Overload Power (110%): 226 kW (302 HP) (1 hr in 12 hrs, max 25 hrs/yr)
  • Rated Torque: 1300 Nm (prime) / 1430 Nm (overload)
  • Exhaust System: Wet
  • Type: Freshwater jacket water cooling (heat exchanger or keel cooled)
  • Oil Capacity: 50 L (13.2 gal)
  • Starting System Voltage: 24V DC
  • Dry Weight (Engine Only): 1270 kg (2800 lbs)
  • Dry Weight (w/ Heat Exchanger): 1385 kg (3050 lbs)
  • Dimensions (L × W × H): Approx. 1750 × 880 × 1450 mm
  • Emissions: IMO Tier I Certified (MARPOL Annex VI)
  • Performance Rating: ISO 3046 & ISO 8528-5 compliant

  • 🛢 Fuel Consumption

    • 110% Load: 54.0 L/h (14.0 gal/h) – 0.203 kg/kWh
    • 100% Load: 48.0 L/h (12.7 gal/h) – 0.199 kg/kWh
    • 75% Load: 36.8 L/h (9.7 gal/h) – 0.203 kg/kWh
    • 50% Load: 25.3 L/h (6.7 gal/h) – 0.209 kg/kWh
    • 25% Load: 13.5 L/h (3.6 gal/h) – 0.225 kg/kWh


Advantages for Fleet Operators & Engineers

  • Continuous Power Reliability: Ideal for generator sets supporting 24/7 shipboard loads.
  • Fuel Efficiency: Optimized SFC reduces fleet operating costs over long voyages.
  • IMO Tier I Certified: Fully compliant for unrestricted global trade routes.
  • Ease of Maintenance: Inline-6 design with accessible filters and service points.
  • Global Support: Backed by Cummins’ worldwide marine service and spare parts network.


🔧 Differentiating Technical Highlights

  • PT Fuel Injection: Ensures precise metering and consistent combustion efficiency.
  • Turbocharged Design: Delivers high torque at low RPM for heavy auxiliary demands.
  • Compact Footprint: Engineered for retrofits and confined engine rooms.
  • JW Cooling: Maintains optimal temperatures even in tropical seawater conditions.


🚢 Applications

  • Marine generator sets (continuous or prime duty)
  • Auxiliary power for cargo ships, tugs, OSVs, and workboats
  • Hydraulic deck equipment (winches, cranes, pumps)
  • Emergency and fire pump systems

    📦Request a Detailed Quote for Your Needs

    Each and every product manufactured is tested, inspected and is guaranteed to meet the performance specitications.

Download of Cummins NT855-DM Marine Auxiliary Engine | 205 kW (275 HP) @1500 RPM Datasheet

Model

Power

Emission

Datasheet

Drawing

Service Manual

Cummins NT855-DM205

Prime Power: 205 kW (275 HP): Overload Power (110%): 226 kW (302 HP)

IMO Tier I

Download

Download

Model

Cummins NT855-DM205

Power

Prime Power: 205 kW (275 HP): Overload Power (110%): 226 kW (302 HP)

Emission

IMO Tier I

Datasheet

Drawing

Download

Service Manual

Download

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