Cummins N855-DM Marine Auxiliary Engine | 284 kW (380 HP)
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Cummins N855-DM Marine Auxiliary Engine | 284 kW (380 HP)
Category:
Power:
Prime: 284 kW (380 HP); Overload: 312 kW (430 HP)
Rating type:
Prime Power/ Overload
Type:
6-cylinder inline, 4-stroke
Application:
Marine Propulsion
Packing Size:
2160×1390×1910MM
Weight:
2100KG
HS Code:
840810
Technical Specification of Cummins N855-DM Marine Auxiliary Engine | 284 kW (380 HP)
Engine Model
Cummins N855-DM284
Fuel System
Cummins PT (Pressure-Time) Direct Injection
Rated Power
284 kW (380 HP)
Peak Engine Torque
Prime: 1805 Nm (1332 lb-ft); Overload: 2042 Nm (1506 lb-ft)
Rated Speed
1500 RPM
Compression Ratio
14.5:1
Rating Type
Prime Power/ Overload
Fuel Consumption at Rated Speed
83.9 L/h (22.17 gal/h)
Bore
140mm [5.5 in]
Cooling system
Heat exchanger & Sea water pump
Stroke
152mm [6.00in]
Firing Order
Aspriration
Turbocharged / LTA
Dry Weight
1314 kg (2896 lbs)
Displacement
14 L (855 in³)
Emission
IMO Tier II
General Information of Cummins N855-DM Marine Auxiliary Engine | 284 kW (380 HP)
📦 Product Description
The Cummins N855-DM (284 kW @1500 RPM) is engineered for continuous-duty marine generator sets and shipboard auxiliary power. Built on Cummins’ proven 14-liter, 6-cylinder platform, it combines turbocharging and low-temperature aftercooling (LTA) for efficient combustion and dependable performance.
With IMO Tier II compliance, this engine meets international emission standards, making it ideal for cargo vessels, tugs, and offshore support ships requiring stable auxiliary power under variable loads.
📊 Key Specifications
- Engine Model: Cummins N855-DM284
- Configuration: 6-cylinder inline, 4-stroke, marine auxiliary diesel
- Displacement: 14 L (855 in³)
- Bore × Stroke: 140 mm × 152 mm (5.5 × 6.0 in)
- Aspiration: Turbocharged / Low-Temperature Aftercooled (LTA)
- Exhaust Type: Wet
- Compression Ratio: 14.5:1
- Fuel System: Cummins PT (Pressure-Time) Direct Injection
- Prime Power (1500 RPM): 284 kW (380 HP)
- Overload Power (110%): 312 kW (430 HP)
- Rated Torque (Prime): 1805 Nm (1332 lb-ft)
- Overload Torque (110%): 2042 Nm (1506 lb-ft)
- Fuel Consumption @100% Load: 83.9 L/h (22.17 gal/h)
- Fuel Consumption @75% Load: 62.1 L/h (16.4 gal/h)
- Fuel Consumption @50% Load: 44.0 L/h (11.6 gal/h)
- Fuel Consumption @25% Load: 27.0 L/h (7.1 gal/h)
- Specific Fuel Consumption: 0.210 kg/kWh
- Air Intake Flow: 333 L/s (705 cfm)
- Exhaust Gas Flow: 785 L/s (1664 cfm)
- Exhaust Gas Temperature: 440°C (824°F)
- Cooling System Type: Freshwater (heat exchanger or keel cooled)
- Cooling System Capacity: 45 L (11.9 gal)
- Lube Oil Capacity: 36 L (9.5 gal)
- Oil Pressure @ Rated Speed: 345–414 kPa (50–60 psi)
- Starting System Voltage: 24V electric starter (optional 12V)
- Dry Weight (Engine Only): 1314 kg (2896 lbs)
- Dry Weight (With HX): 1431 kg (3155 lbs)
- Dimensions (L × W × H): 1750 × 880 × 1450 mm (68.9 × 34.6 × 57.1 in)
- Emission Compliance: IMO Tier II
- Governing: Mechanical, Variable Speed, ±3% regulation
- Cold Start Capability: –12°C (10°F) without aid
✅ Advantages at a Glance
- Optimized for Medium Vessels: Reliable auxiliary power for cargo ships, tugs, and OSVs.
- Fuel-Efficient Performance: Low SFC of 0.210 kg/kWh reduces operating costs.
- IMO II Compliant: Meets MARPOL Annex VI standards for global operations.
-
Compact & Service-Friendly: Inline 6-cylinder design simplifies installation and maintenance.
🔧 Technical Highlights
- PT Direct Injection Fuel System: Delivers precise metering and responsive performance.
- LTA Cooling: Designed to perform in tropical seawater conditions with stable heat management.
- Wet Exhaust Configuration: Ideal for safe marine installations.
-
ISO 15550 & ISO 8528-5 Compliance: Certified rating and performance standards.
🚢 Applications
- Shipboard generator sets for cargo ships and tankers
- Auxiliary power for tugs and offshore support vessels
- Hydraulic deck machinery and winches
-
Emergency and fire pump systems
📦 Product Availability
Available worldwide through authorized Cummins Marine distributors, with options for heat exchanger or keel cooling, classification approvals, and integrated marine control panels.
📦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 N855-DM Marine Auxiliary Engine | 284 kW (380 HP) Datasheet
Model
Power
Emission
Datasheet
Drawing
Service Manual
Cummins N855-DM284
Prime: 284 kW (380 HP); Overload: 312 kW (430 HP)
IMO Tier II
Download
Download
Model
Cummins N855-DM284
Power
Prime: 284 kW (380 HP); Overload: 312 kW (430 HP)
Emission
IMO Tier II
Datasheet
Drawing
Download
Service Manual
Download
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