📦 Product Description

When operating cargo ships, tugs, or offshore supply vessels, dependable auxiliary power is critical for navigation, cargo handling, and onboard safety. The Cummins NTA855-DM, rated at 313 kW (420 HP) @1800 RPM, ensures continuous, fuel-efficient generator power for ships facing heavy-duty demands.

Built on Cummins’ proven 14L, 6-cylinder turbocharged and aftercooled (JWAC) platform, it offers rugged reliability, IMO Tier I compliance, and predictable maintenance cycles, making it ideal for global marine operators.

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📊 Key Specifications

General Engine Data

• Model: Cummins NTA855-DM313
• 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

Power & Performance

• Prime Power: 313 kW (420 HP) @1800 RPM
• Overload Power (110%): 347 kW (465 HP) – 1 hr in 12 hrs
• Rated Torque: 1,841 Nm (1,358 lb-ft)

Fuel Consumption

• 110% Load: 86.0 L/h (23.0 gal/h) – 0.211 kg/kWh
• 100% Load: 78.0 L/h (20.6 gal/h) – 0.212 kg/kWh
• 75% Load: 59.7 L/h (15.8 gal/h) – 0.216 kg/kWh
• 50% Load: 41.0 L/h (10.8 gal/h) – 0.222 kg/kWh

• 25% Load: 21.8 L/h (5.8 gal/h) – 0.238 kg/kWh

Cooling System

• Type: Jacket Water Aftercooled (JWAC)
• Coolant Flow: 62 L/min (16.4 gal/min)
• Heat Rejection to Coolant: 224–250 kW (12,750–14,230 BTU/min)

• Seawater Pump Flow: 50 L/min (13.2 gal/min)

Lubrication & Electrical

• Oil Capacity: 47 L (12.4 gal)
• Starting System: 24V electric starter

• Idle Speed Range: 575–650 RPM

Dimensions & Weight

• Dry Weight (Engine Only): 1,315 kg (2,896 lbs)

• Dry Weight (w/ Heat Exchanger): 1,420 kg (3,128 lbs)

Compliance

• Emissions: IMO Tier I

• Standards: ISO 3046, ISO 8528-5

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✅ Advantages for Fleet Operators & Engineers

• Continuous Power Reliability: Prime-rated for 24/7 marine generator use.
• Fuel-Efficient: Optimized combustion reduces fleet OPEX.
• IMO Tier I Certified: Fully compliant for international voyages.
• Maintenance-Friendly: Inline-6 layout simplifies access and servicing.

• Proven Durability: N-series design trusted worldwide for demanding marine operations.

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🔧 Differentiating Features

• 10% overload capability for peak power needs.
• JWAC cooling system ensures thermal stability in tropical conditions.
• Robust PT fuel injection system for efficient, clean combustion.

• Compact design for ease of retrofit and engine room integration.

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🚢 Applications

• Continuous-duty marine generator sets
• Auxiliary power for cargo ships, OSVs, and tugs
• Hydraulic deck equipment (winches, cranes)

• Emergency and fire pump power systems

📦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.