Details
Genuine CCEC Cummins NTA855-M240 Marine Propulsion Engine
The Cummins NTA855-M240 stands as a legendary workhorse in commercial maritime operations. Developed by the Chongqing Cummins Engine Company (CCEC), this 14-liter, 6-cylinder in-line engine delivers a reliable 179kW (240HP) at 1800RPM. As an established Cummins marine engine supplier in China, HekoPower provides this Cummins NTA855-M240 complete engine built to strict international marine standards, offering global vessel operators a rugged, non-electronic powertrain designed for unforgiving saltwater environments.
Tech Specs of Cummins NTA855-M240
General Engine Data
Engine Model: Cummins NTA855-M240
Type: 6 Cylinders in Line
Displacement: 14 L
Bore * Stroke: 140 * 152
Net Weight (with flywheel & alternator): 1385 Kg
Overall Dimension: 1453mm*947mm*1296mm
Engine Configuration No.: D092347MX02
Key Performance Data
Rated Power: 179 kW/240HP
Rated Speed: 1800 rpm
Low Idle Speed: 575-675 rpm
High Idle Speed: 1962-2106 rpm
Rating Type: Continuous Running Power
Fuel Consumption (Running Speed): ≤ 47 L/hr
Max Torque/Speed: 1044 N.m @ 1300 rpm
More Technical Data
Certification: CCS/IMO Certificates
Governor Type: Mechanical Control
Aspiration: Turbocharged/Aftercooled
Compression Radio: 14.5:1
Fuel System: Cummins Pressure Time (PT Pump)
Starting System: Electrical Start (24V/100AMP)
Lowest Starting Temp Without auxiliary system: -12℃
Cooling Method: Sea water pump, Heat exchanger, Water cooled
Turbocharged and Heat Exchanger Cooling System
Unlike automotive adaptations, this Cummins NTA855-M240 turbocharged marine engine utilizes a specialized water-cooled turbocharger setup to keep engine room temperatures safely low. The Cummins NTA855-M240 heat exchanger cooling engine configuration relies on an integrated, high-capacity marine heat exchanger with a sea-water pump. This design keeps raw salt water separate from your internal engine coolant, preventing scale buildup and internal corrosion within the engine block jacket.
PT Mechanical Fuel Injection Advantage
A core reason international buyers seek out the Chongqing Cummins NTA855-M240 is its mechanical fuel injection engine design. Utilizing the proprietary Cummins PT (Pressure-Time) fuel system, this model eliminates sensitive electronic control units (ECUs), common-rail wiring harnesses, and fragile sensors. It tolerates varying marine diesel qualities far better than modern common-rail engines, making it easier to service at sea with basic mechanical tools.
Real Application Scenarios for the 240HP Rating
The 179kW power curve of this specific NTA855 variant is uniquely calibrated. It is not an engine meant for high-speed planning hulls; instead, it is built as a Cummins NTA855-M240 continuous duty engine designed to run at 100% load, 24 hours a day, without thermal stress.
Trawlers and Commercial Fishing Vessels
The Cummins NTA855-M240 engine for commercial fishing boats offers the low-end torque required to haul heavy nets. When operating as a Cummins NTA855-M240 engine for trawlers, the engine maintains a steady RPM against heavy currents, ensuring consistent winch power and hydraulic pump performance without bogging down.
Workboats, Tugboats, and Barges
For harbor logistics, the Cummins NTA855-M240 engine for tug boats and general workboats provides the high bollard pull necessary to move heavy cargo hulls. Its structural rigidity handles sudden load spikes smoothly when shifting from forward to reverse gear during docking maneuvers.
Inland and Coastal Fleet Operations
This model is highly favored as an inland waterway propulsion engine for river barges and a coastal vessel engine for passenger transport. The Cummins NTA855-M240 engine for passenger ferries provides an optimal balance between running costs and safety, ensuring schedules are met without high fuel overheads.
Maintenance Schedules and Fuel Optimization
To keep your heavy duty marine diesel engine running efficiently for decades, adhering to a strict operation profile and service baseline is essential.
Real-World Fuel Consumption Profile
Evaluating the NTA855-M240 marine engine fuel consumption data sheet reveals high efficiency within its sweet spot between 1400 RPM and 1600 RPM. At full continuous duty load (179kW at 1800RPM), the average Cummins NTA855-M240 fuel consumption hovers around 45 to 48 liters per hour. Running the engine within its optimal mid-range torque band can reduce consumption down to roughly 34 liters per hour, saving significant operating capital over long journeys.
Crucial Marine Maintenance Milestones
To protect your investment and avoid premature failures, follow this streamlined Cummins NTA855-M240 maintenance schedule:
- Every 250 Hours: Replace engine oil and change both fuel and lube filters. Inspect the zinc anodes inside the heat exchanger to prevent galvanic corrosion.
- Every 1500 Hours: Check and adjust PT injector clearances and valve lashes. Inspect the sea-water pump impeller for wear or missing blades.
- Every 3000 Hours: Clean the heat exchanger core bundles and test the turbocharger axial play to ensure optimal boost pressure.
Sourcing and Replacing the NTA855-M240
When a vessel is down, every day in drydock costs thousands of dollars. Sourcing a complete unit or replacement assembly requires a dependable logistical partner.
Ordering Options: Complete Engine vs. Long Block
HekoPower operates as a comprehensive Cummins marine engine OEM exporter. If your engine block, crankshaft, and cylinder heads are still intact, we can supply specialized sub-assemblies to lower your rebuild expenses. However, for older ships undergoing a total conversion, purchasing a factory-tested Cummins NTA855-M240 propulsion engine complete with marine cooling components ensures immediate plug-and-play installation.
Factory Lead Time, Stock, and Global Shipping Logistics
As a global Cummins marine engine supplier in China, we keep regular Cummins NTA855-M240 stock availability to meet urgent emergency replacement needs. Our standard Cummins NTA855-M240 replacement engine lead time and shipping timeline takes roughly 20 business days for final marine classification certifications and custom packaging. We handle sea freight logistics directly from major Chinese ports, delivering your engine directly to your shipyard with export crates lined against moisture.
Cummins N855-M Series (N855 Marine Engine), marine propulsion engines for commercial and recreational applications, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes NTA855-M350, NTA855-M400, NTA855-M450, NTA855-M200, NTA855-M220, NTA855-M240, NTA855-M250, NTA855-M270, NTA855-M300. All engines complete with sea water pump, heat exchanger, CCS/IMO certificates.
Frequently Asked Questions
Where can I buy a genuine CCEC Cummins NTA855-M240 diesel engine?
You can buy authentic units directly through HekoPower, a trusted genuine CCEC Cummins NTA855-M240 supplier. Every engine comes with a verifiable factory serial number, official CCEC performance test sheets, and an international warranty.
How does the NTA855-M240 differ from the NTA855-M300 version?
The differences lie entirely in the internal fuel pump calibration, injector cup sizes, and turbocharger boost settings. The M240 is detuned to 240HP to maximize continuous component lifespan and fuel thriftiness, whereas the M300 is tuned for higher power outputs.
Does this engine comply with current global marine emission standards?
The CCEC NTA855 mechanical series is generally optimized for IMO Tier I or specific regional non-emission regulated waters due to its mechanical nature. Contact our sales department to verify if this model meets your specific flag state registry rules.
Can HekoPower supply matching marine gearboxes?
Yes. As a full-service Chongqing Cummins marine engine distributor, we can provide a complete propulsion package. This includes matching Advance, Twin Disc, or Dong-I marine gearboxes with ratios configured specifically for your vessel's propeller pitch.
