Details
Cummins NT855-DM205 Marine Auxiliary Engine (205 kW / 275 HP)
Vessel operators looking to power 205 kW ship generator diesel engine systems require absolute mechanical reliability. The genuine CCEC NT855-DM205 marine auxiliary engine, manufactured by the Chongqing Cummins Engine Plant, is engineered specifically to handle continuous heavy-duty loads on the water. Delivering a stable 205 kW (275 HP) at 1500 RPM, this 14L 6-cylinder diesel engine is an industry standard for onboard generator sets.
As a primary CCEC NT855-DM205 supplier and exporter, HekoPower provides original Cummins NT855-DM205 units built to withstand the rigors of maritime operations. Featuring mechanical fuel delivery and robust saltwater cooling systems, this NT855-DM205 marine generator engine ensures your cargo ship, workboat, or offshore support vessel has dependable power for navigation, hotel loads, and deck machinery.
Tech Specs of Cummins NT855-DM205
General Engine Data
General Engine Data
Engine Model: Cummins NT855-DM205
Type: 6 Cylinders in Line
Displacement: 14 L
Bore * Stroke: 140 * 152
Net Weight (with flywheel & alternator): 1380 Kg
Overall Dimension: 1453mm*947mm*1296mm
Engine Configuration No.: D092642MX02
Key Performance Data
Rated Power/Standby Power: 205 kW/275HP,226 kW/302HP
Rated Speed: 1500 rpm
Low Idle Speed: 575-650 rpm
Fuel Consumption (Running Speed): ≤ 225 g/kW.hr
Torque/Rated Speed: 1305 N.m @ 1500 rpm
More Technical Data
Certification: CCS/IMO Certificates
Aspiration: Turbocharged/Wet exhaust manifold
Compression Radio: 14.5:1
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
Cooling Method: Water cooling
Technical Performance and Operating Profile
At the core of the NT855-DM205 diesel engine is its 14-liter displacement block. The NT855-DM205 bore and stroke measure 140mm by 152mm, achieving a 14.5:1 compression ratio that maximizes combustion efficiency under steady generator loads. When running at its rated 1500 RPM, the NT855-DM205 torque reaches a formidable 1305 N.m.
Thermal management is handled by a factory-integrated NT855-DM205 heat exchanger and NT855-DM205 seawater pump. This wet exhaust configuration safely dissipates heat away from the engine room, reducing the risk of overheating during long voyages. Shipped under the specific configuration code NT855-DM205 D092642MX02, the unit is delivered ready for installation in confined hull spaces.
Marine engineers heavily scrutinize fuel economy when sizing auxiliary units. The NT855-DM205 fuel consumption profile is highly optimized for the 60% to 80% load ranges typical of marine gensets. Evaluating the NT855-DM205 fuel consumption at 75% load reveals excellent efficiency, minimizing the NT855-DM205 fuel consumption per hour and extending the vessel's operational range between bunkering. The standard NT855-DM205 performance curve demonstrates stable voltage output and minimal frequency dipping even when sudden heavy deck equipment loads are applied.
Technical Comparisons: Sizing Your Auxiliary Power
Choosing the exact power node for your onboard generator sets requires looking closely at how the NT855-DM205 compares to both its immediate siblings and larger displacement alternatives.
When evaluating the NT855-DM180 vs DM205, the decision usually comes down to deck machinery demand. The DM180 is often sufficient for basic hotel loads, but the Cummins 205 kW marine auxiliary engine provides the necessary overhead for vessels operating hydraulic winches or heavy refrigeration compressors. Conversely, in the NT855-DM205 vs DM230 comparison, the 205 kW Cummins marine engine offers a sweeter spot for fuel economy if your peak electrical demand rarely exceeds 200 kW, preventing the wet-stacking issues that occur when a DM230 is run under-loaded.
For higher power requirements, fleet managers sometimes look at 19-liter blocks. However, choosing the NT855-DM205 marine engine over a KTA19-G2 offers significant footprint advantages. The 14L 6-cylinder marine auxiliary engine 205kW package is considerably lighter, reducing deadweight and freeing up critical engine room space while still delivering the required 275 HP Cummins marine engine performance.
There is a common misconception that electronic fuel injection is always superior in modern shipbuilding. In reality, the Cummins NT855-DM205 PT fuel pump reliability remains a massive advantage for commercial operators. The NT855-DM205 PT fuel system is entirely mechanical. If a vessel takes on contaminated fuel or experiences severe electrical failures at sea, the mechanical PT pump allows the crew to troubleshoot and keep the NT855-DM205 auxiliary engine running using standard hand tools, an impossibility with modern common-rail electronic engines.
Real-World Application Scenarios
The versatility of the CCEC NT855-D(M)205 makes it a cornerstone for various maritime sectors.
For commercial shipping, it serves as an exceptionally reliable NT855-DM205 cargo ship auxiliary engine. Cargo vessels often run twin or triple generator setups, and synchronizing multiple Cummins 275 HP 1500 RPM engine units ensures seamless power handoffs during port approaches.
In the commercial fishing sector, the NT855-DM205 fishing vessel generator engine powers high-draw freezing holds and deck haulers. The robust heat exchanger system easily handles the debris-heavy seawater often encountered in shallow coastal trawling. Similarly, when deployed as an NT855-DM205 offshore support vessel engine or an NT855-DM205 workboat generator engine, its heavy block construction absorbs the intense vibrations and shock loads associated with dynamic positioning and towing operations.
Retrofit, Replacement, and Maintenance Guidance
Many shipowners are currently looking to replace aging generator power. If you plan to replace an NT855-DM180 with an NT855-DM205, the upgrade is remarkably straightforward. Because both engines share the same 14L block footprint, the Cummins NT855-DM205 installation dimensions and weight (roughly 1380 kg) align perfectly with existing engine mounts. This NT855-DM205 marine generator replacement minimizes shipyard fabrication costs.
For larger refits, using this 205kW marine auxiliary engine for cargo ship retrofit projects—such as choosing to replace a KTA19 with a Cummins NT855-DM205 auxiliary setup when load demands have decreased—requires minor adjustments to exhaust piping, but yields massive long-term fuel savings. As a dedicated NT855-DM205 replacement engine and NT855-DM205 retrofit engine provider, HekoPower can supply the necessary dimensional drawings to your marine surveyor.
Proper maintenance guarantees the longevity of your genuine CCEC NT855-DM205 engine. Regular inspection of the NT855-DM205 seawater pump impeller is critical, especially when operating in silty coastal waters. Furthermore, keeping the NT855-DM205 PT fuel system calibrated ensures maximum fuel atomization. When major service intervals arrive, HekoPower provides complete NT855-DM205 marine engine overhaul kit and spare parts packages, ensuring your crew has the exact piston rings, gaskets, and bearings needed for an in-hull rebuild.
The Cummins N855-DM Marine Auxiliary Series
As your operational needs expand, it helps to know the full scope of available power nodes. Cummins N855-DM Series marine auxiliary engines are built for both commercial and recreational applications, representing original products straight from the Chongqing Cummins Engine Plant (CCEC).
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.
Frequently Asked Questions (FAQ)
Is the NT855-DM205 CCS IMO Tier 2 certified engine compliant for international waters?
Yes, we provide the NT855-DM205 CCS certificate and IMO emissions documentation required by maritime registries, ensuring the engine clears international port state controls.
Where can I get the official NT855-DM205 datasheet and manuals?
If you are finalizing your engine room layout, you can contact our technical team to request the NT855-DM205 specifications PDF, complete NT855-DM205 performance data, and the factory NT855-DM205 service manual.
How do I buy a Cummins NT855-DM205 marine engine at wholesale rates?
As a direct exporter, HekoPower offers a highly competitive NT855-DM205 wholesale price. Whether you need a single unit for sale or multiple engines for a new shipbuilding contract, we provide the CCEC NT855-DM205 engine price inclusive of custom export packaging.
Does the NT855-DM205 marine engine price include the alternator?
The standard Cummins NT855-DM205 price quoted usually covers the bare engine with marine cooling accessories (heat exchanger, wet exhaust). If you require a complete 205 kW marine genset engine package, we can match it with premium alternators based on your specific voltage and frequency requirements.
