Details
Authentic CCEC Cummins NTA855-G2 Engine for Generator Sets
Sourcing a reliable power source for heavy-duty generator applications requires an engine that balances raw power with exceptional durability. The Cummins NTA855-G2 is a specialized 14L Cummins G-Drive engine designed specifically for consistent power generation. As an original Cummins NTA855-G2 supplier in China, HekoPower provides this robust engine assembly to genset packagers and industrial operators worldwide.
This Cummins industrial power engine is engineered to deliver a rated output of 284kW (380HP) at 1500RPM for prime power applications, and up to 313kW (420HP) at 1800RPM. Unlike standard vehicular engines, the NTA855-G2 generator engine is optimized to handle sudden load changes, making it the premier choice for critical standby and continuous power solutions.
Tech Specs of Cummins NTA855-G2
General Engine Data
Engine Model: Cummins NTA855-G2
Type: 6 Cylinders in Line, 4 Stroke Diesel
Displacement: 14 L
Bore * Stroke: 140 * 152
Net Weight: 1410 Kg
Overall Dimension: 1980mm*900mm*1600mm
Key Performance Data
Rated Power/Standby Output(1500 RPM): 284 kW/380HP, 321 kW/430HP
Torque @Rated/Standby Output (1500 RPM): 1808/2044 N.m @ 1500 rpm
Rated Power/Standby Output(1800 RPM): 313 kW/420HP, 347 kW/465HP
Torque @Rated/Standby Output (1800 RPM): 1661/1841 N.m @ 1800 rpm
Rated Speed: 1500/1800 rpm
Low Idle Speed: 575-650 rpm
Fuel Consumption @ 1500 rpm: 68-77 L/Kw.h
Fuel Consumption @ 1800 rpm: 81-89 L/Kw.h
More Technical Data
Fuel System: Cummins PT Pump, Direct Injection
Aspiration: Turbocharged & Aftercooled
Electrical System (Starter Motor/Alternator): 24V/900A
Governor Type: Mechanical Control
Compression Ratio: 14:1
Lowest Starting Temp (Without auxiliary system): -12℃
Coolant Volume (Engine Only): 20.8 L
Cooling Method: Water Cooled
Real-World Application Scenarios for the NTA855-G2
Many buyers purchase engines based purely on spec sheets, but understanding how the engine performs in the field is critical. The Cummins N855-G series is highly adaptable to various environmental and industrial demands.
Critical Infrastructure and Backup Power
When mains power fails, the transition to generator power must be instantaneous and flawless. We frequently supply the Cummins NTA855-G2 for data center generators where uptime is non-negotiable. The mechanical governor control and rapid response time of this engine ensure that server racks remain powered without harmful voltage dips. Similarly, utilizing the Cummins NTA855-G2 for hospital backup power guarantees that life-saving equipment remains operational during grid blackouts.
Heavy Industry and Remote Operations
Industrial environments require engines that can withstand heavy dust, continuous operation, and challenging climates. The Cummins NTA855-G2 for mining power station applications is particularly popular because of its rugged 6-cylinder inline design and simple mechanical architecture. Maintenance crews in remote locations prefer this engine because it does not rely on overly complex electronic control modules that are difficult to diagnose in the field.
Furthermore, we supply the Cummins NTA855-G2 for construction site gensets and telecom generators. These sites often run on continuous power supply schedules rather than standby. The robust cooling system allows the Cummins NTA855-G2 for tropical climate operation to perform without overheating. Additionally, the turbocharged diesel engine design ensures consistent air intake, making the Cummins NTA855-G2 for high altitude areas incredibly efficient compared to naturally aspirated alternatives.
Technical Comparison: NTA855-G2 vs Standard Genset Engines
A common question we receive from clients looking to buy a Cummins NTA855-G2 for a generator is how it compares to other models in the market or older NT855 variants.
The primary advantage lies in its aspiration and cooling. The NTA855-G2 is a turbocharged and aftercooled engine. This setup significantly increases the air density entering the cylinders. Compared to standard naturally aspirated engines of similar displacement, the NTA855-G2 provides a much higher power-to-weight ratio. The Cummins NTA855-G2 engine dimensions (1980mm x 900mm x 1600mm) remain compact, yet it easily drives a 350kVA generator set.
When looking at the Cummins NTA855-G2 1500RPM / 1800RPM specifications, the versatility becomes clear. Operating at 1500RPM, the engine provides 284kW of steady power suitable for 50Hz markets. By adjusting the governor for 1800RPM operation, it serves 60Hz markets effortlessly. This dual-capability simplifies inventory for any heavy duty generator engine supplier or OEM packager.
Expert Maintenance and Replacement Tips
Maximizing the lifespan of your 317kW Cummins diesel engine requires strict adherence to maintenance protocols. While the engine is famously durable, neglecting specific systems will lead to premature wear.
Fuel System Upkeep
The heart of this engine is the mechanical direct injection system. NTA855-G2 PT fuel pump system maintenance is critical. The PT (Pressure-Time) pump is distinct to Cummins and relies heavily on clean fuel for internal lubrication. We strongly advise replacing fuel filters strictly according to the Cummins NTA855-G2 maintenance interval. Water contamination in the fuel is the leading cause of PT pump failure, so ensuring your fuel tanks have proper water separators is vital for long-term reliability.
Cooling System Management
The Cummins NTA855-G2 cooling system uses a water-cooled method with a capacity of 20.8 liters for the engine block alone. To prevent cavitation and liner pitting, operators must use the correct supplemental coolant additives. During a routine Cummins NTA855-G2 backup generator engine replacement, always flush the external radiator and inspect the water pump drive belts. Overheating is rarely a flaw of the engine itself; it is almost always linked to neglected coolant maintenance or blocked radiator fins.
Understanding Fuel Efficiency
Operational costs are a major factor for continuous power applications. Reviewing the NTA855-G2 fuel consumption data reveals excellent efficiency for its class. The NTA855-G2 fuel consumption rate at prime power hovers around 68 to 77 liters per hour at 1500RPM. Keeping the engine adequately loaded prevents wet stacking and ensures you achieve these optimal consumption rates.
Sourcing Your Engine Through HekoPower
Finding a reliable heavy-duty diesel engine supplier is just as important as selecting the right engine model. HekoPower stands out as an established industrial Cummins diesel engine manufacturer and distributor.
We provide transparent wholesale CCEC Cummins NTA855-G2 price structures for global buyers. Whether you are a genset packager looking for a Cummins generator engine OEM supplier or an end-user needing an original Cummins NTA855-G2 engine assembly for replacement, we streamline the procurement process. As an experienced Cummins NTA855-G2 export supplier, we handle the complex logistics of international shipping, ensuring your heavy machinery arrives securely and on schedule.
Cummins N855-G Series, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes NT855-G, NT855-GA, NT855-G1, NT855-G1A, NT855-G1B, NTA855-G2, NTA855-G2A, NTA855-G3, NTA855-G4, NTA855-G7, NTA855-G7A.
Frequently Asked Questions (FAQs)
What makes this engine suitable for standby power?
The Cummins NTA855-G2 standby power engine rating allows it to run at higher outputs for short durations during utility outages. Its mechanical fuel system and robust starter motor ensure it can accept a full rated load in a single step, which is a mandatory requirement for emergency backup systems.
Is this a genuine CCEC product?
Yes. Every unit we supply is a genuine CCEC Cummins NTA855-G2 manufactured by the Chongqing Cummins Engine Plant. We guarantee authenticity and provide the necessary factory documentation for every engine dispatched.
How do I ensure genset compatibility?
The Cummins NTA855-G2 genset compatibility is excellent due to its standard SAE flywheel housing. It pairs seamlessly with major alternator brands like Stamford, Leroy Somer, and Marathon. We can assist in verifying housing sizes to ensure direct coupling with your existing alternator.
Can I get the technical manual for this engine?
Absolutely. We provide comprehensive documentation for our clients. If you require the NTA855-G2 technical datasheet and PDF manual for installation planning or maintenance reference, please contact our sales team directly, and we will dispatch the digital files immediately.
What is the lead time for wholesale orders?
Our status as a primary wholesale Cummins NTA855-G2 engine distributor allows us to maintain excellent stock levels. Lead times generally range from 15 to 30 business days depending on the current production cycles and your specific export destination. Please submit an inquiry with your required quantity for an exact timeline.
