📦 Product Description 

When operating cargo ships, tugs, or offshore vessels, uninterrupted auxiliary power is essential. The Cummins NTA855-DM, rated at 284 kW (380 HP) @1500 RPM, provides dependable power for shipboard generators and critical onboard systems—from navigation to cargo handling.

Backed by IMO Tier I compliance and Cummins’ proven 14L, 6-cylinder turbocharged platform, this engine ensures fuel efficiency, predictable maintenance, and global service support, making it ideal for fleets navigating worldwide trade routes.

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📊 Detailed Specifications

General Engine Data

• Engine Model: Cummins NTA855-DM284
• Configuration: Inline 6-cylinder, 4-stroke diesel
• Displacement: 14 L (855 in³)
• Bore × Stroke: 140 × 152 mm (5.50 × 6.00 in)
• Aspiration: Turbocharged & Aftercooled (JWAC)
• Compression Ratio: 14.0:1
• Fuel System: Cummins PT Direct Injection
• Exhaust: Wet

Power & Performance

• Prime Power: 284 kW (380 HP) @1500 RPM
• Overload Power (110%): 321 kW (430 HP) – 1 hr in 12 hrs
• Rated Torque: 2043 Nm (1507 lb-ft)

Fuel Consumption

• 110% Load: 79.0 L/h (21.0 gal/h) – 0.209 kg/kWh
• 100% Load: 70.0 L/h (18.5 gal/h) – 0.210 kg/kWh
• 75% Load: 53.5 L/h (14.1 gal/h) – 0.214 kg/kWh
• 50% Load: 36.7 L/h (9.7 gal/h) – 0.220 kg/kWh

• 25% Load: 19.7 L/h (5.2 gal/h) – 0.236 kg/kWh

Cooling System

• Type: Jacket Water Aftercooled (JWAC)
• Coolant Flow Rate: 50 L/min

• Heat Rejection to Coolant: 206 kW (11,726 BTU/min)

Lubrication & Electrical

• Oil Capacity: 50 L (13.2 gal)
• Starting System: 24V electric starter

• Idle Speed Range: 575–650 RPM

Dimensions & Weight

• Dry Weight (Engine Only): 1315 kg (2896 lbs)

• Dry Weight (w/ Heat Exchanger): 1420 kg (3128 lbs)

Compliance

• Emissions: IMO Tier I

• Performance Standards: ISO 3046 & ISO 8528-5

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✅ Advantages for Fleet Owners & Engineers

• Continuous Power Reliability: Designed for 24/7 marine generator duty.
• Fuel-Efficient Operation: Low SFC reduces fleet OPEX.
• Global Compliance: IMO Tier I certified for international trade routes.
• Ease of Maintenance: Inline-6 layout and PT fuel system simplify servicing.

• Proven Durability: Trusted N-series platform ensures dependable performance.

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🔧 Differentiating Features

• 10% overload capability for peak demand coverage.
• JWAC cooling system for stable operation in high seawater temperatures.
• Robust PT fuel injection ensures clean, consistent combustion.

• Compact design suitable for retrofits and constrained engine rooms.

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🚢 Applications

• Shipboard generator sets (continuous duty)
• Auxiliary electrical systems on cargo ships, tugs, OSVs
• Hydraulic deck equipment (winches, cranes)

• Emergency/fire pump backup

📦Request a Detailed Quote for Your Needs

Each and every product manufactured is tested, inspected and is guaranteed to meet the performance specitications. Backed by Cummins’ worldwide service network, the NTA855-DM offers OEM parts.