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Overview of Cummins NTA855-DM313 Diesel Engine
HekoPower is a professional supplier of CCEC original Cummins NTA855-DM313 diesel engines, specially designed for marine auxiliary and marine generator set applications. This is a 6-cylinder inline, 14L displacement, turbocharged and aftercooled engine rated at 313kW (420HP) at 1800RPM, widely used in fishing boats, cargo ships, offshore vessels, and 400kVA marine generator sets. Built by Chongqing Cummins Engine Company (CCEC), the NTA855-DM313 features high reliability, low fuel consumption, stable performance, and full compliance with marine classification certifications. As an authorized-level supplier, HekoPower provides genuine assembly, complete technical support, competitive pricing, and global after-sales service for the Cummins NTA855-DM313 marine auxiliary engine.
Tech Specs of Cummins NTA855-DM313
General Engine Data
Engine Model: Cummins NTA855-DM313
Type: 6 Cylinders in Line
Displacement: 14 L
Bore * Stroke: 140 * 152
Net Weight (with flywheel & alternator): 1410 Kg
Overall Dimension: 1453mm*947mm*1296mm
Engine Configuration No.: D093641MX02
Key Performance Data
Rated Power/Standby Power: 313 kW/420HP, 347 kW/465HP
Rated Speed: 1800 rpm
Low Idle Speed: 575-650 rpm
Fuel Consumption (Running Speed): ≤ 238 g/kW.hr
Torque/Rated Speed: 1841 N.m @ 1800 rpm
More Technical Data
Certification: CCS/IMO Certificates
Aspiration: Turbocharged/Aftercooled
Compression Radio: 14.0:1
Fuel System: Cummins Pressure Time (PT Pump)
Starting System: Electrical starting motor (12V/24V)
Lowest Starting Temp Without auxiliary system: -12℃
Engine Cooling System: Sea water pump, Heat exchanger, Wet exhaust manifold
Cooling Method: Water cooling
Fuel Efficiency and Performance
The Cummins NTA855-DM313 fuel consumption per hour at 1800RPM is ≤238g/kW·h, making it a fuel-efficient marine generator engine for long-duration operations.
Key advantages include:
- Optimized combustion via Cummins PT fuel system
- Stable output for 400kVA generator sets
- Excellent torque and load response
Applications of the 313kW Marine Auxiliary Engine
The NTA855-DM313 marine auxiliary engine is widely used in:
- Fishing boats requiring stable onboard power
- Cargo ships with 300kW auxiliary generator demand
- Offshore vessels needing continuous-duty diesel engines
- Marine generator sets for port and offshore operations
If you are selecting a marine auxiliary engine for a 400kVA generator set, the DM313 offers an ideal balance of power and efficiency.
NTA855-DM313 vs NTA855-DM317 Comparison
When comparing Cummins NTA855 313kW vs 317kW engines, key differences include:
- DM313: optimized for fuel efficiency and medium-load applications
- DM317: slightly higher output for heavy-duty demands
For most marine genset applications, the DM313 provides better fuel economy, making it a cost-effective solution.
How to Choose the Right Marine Auxiliary Engine
When selecting a 300kW marine auxiliary engine, consider:
- Required generator capacity (e.g., 400kVA)
- Fuel consumption and efficiency
- Engine durability for continuous duty
- Availability of spare parts and service
The Cummins NTA855-DM313 marine power unit is a proven solution for reliability and cost efficiency.
Why Choose HekoPower as Your Supplier
HekoPower is a professional supplier of genuine Cummins marine engines, offering:
- Original CCEC NTA855-DM313 engines with warranty
- Competitive Cummins NTA855-DM313 price and delivery time
- Full export documentation and global shipping
- Technical support and spare parts supply
Cummins N855-DM Series, Marine Auxiliary Engines for commercial and recreational applications, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes NT855-DM180, NT855-DM205, NT855-DM230, NT855-DM240, NTA855-DM264, NTA855-DM284, NTA855-DM287, NTA855-DM306, NTA855-DM313,NTA855-DM317. All engines complete with sea water pump, heat exchanger, CCS/IMO certificates.
If you are looking to buy genuine CCEC NTA855-DM313 engines, we ensure reliability and fast response.
