280kW 350kVA Cummins Generator Set NTA855-G2

Generator Set Specifications

Specification	Technical Data
Product Name	280kW 350kVA Cummins Generator Set NTA855-G2
Genset Model	TPD350C5-3 Land Type Cummins Diesel Generator Set
Prime Power	280 kW / 350 kVA
Standby Power	308 kW / 385 kVA
Engine Model	Cummins NTA855-G2
Recommended Alternator	Stamford HCI444E / HCI444FS
Rated Voltage	400V / 230V
Voltage Options	380V, 415V, 440V, 480V available upon request
Rated Frequency	50Hz
Rated Speed	1500 RPM
Rated Current	505.2 A at 400V, 3-phase
Power Factor	0.8 lagging
Phase & Wire	3 Phase, 4 Wire
Connection Type	Star / Y connection
Cooling Method	Closed water-cooled radiator system
Starting System	24V DC electric start
Control System	Deep Sea DSE7320 MKII digital controller
Governor Type	Mechanical governor, electronic governor optional
Voltage Regulation	AVR automatic voltage regulation, ±1.0%
Fuel Type	Diesel
Fuel Tank	Base fuel tank optional for silent type
Application	Industrial power supply, factory backup power, construction site power, data center standby power, commercial building emergency power
Open Type Dimension	3000 × 1100 × 1850 mm
Open Type Weight	2760 kg
Silent Type Dimension	4000 × 1400 × 2150 mm
Silent Type Weight	4400 kg

Engine Specifications

Specification	Technical Data
Engine Manufacturer	Cummins
Engine Model	NTA855-G2
Engine Type	6-cylinder in-line, 4-stroke diesel engine
Aspiration	Turbocharged and aftercooled
Displacement	14.0 L
Bore × Stroke	140 mm × 152 mm
Compression Ratio	14.0 : 1
Rated Speed	1500 RPM
Rated Engine Output	Approx. 317 kWm for generator drive application
Fuel System	Cummins PT fuel system
Governor Type	Mechanical governor / electronic governor optional
Cooling System	Radiator water-cooled system
Starting Voltage	24V DC
Battery Charging Alternator	24V DC charging alternator
Lube Oil Capacity	Approx. 38.6 L
Coolant Capacity	Approx. 60 L, depending on radiator configuration
Fuel Consumption at 100% Load	Approx. 72–76 L/h
Fuel Consumption at 75% Load	Approx. 55–58 L/h
Fuel Consumption at 50% Load	Approx. 38–42 L/h
Air Intake Flow	Approx. 520 L/s
Exhaust Gas Flow	Approx. 980 L/s
Exhaust Gas Temperature	Approx. 500–540°C
Engine Feature	Heavy-duty Cummins NTA855 series engine with strong torque output, stable performance, and easy maintenance

Alternator Specifications

Specification	Technical Data
Alternator Brand	Stamford
Recommended Alternator Model	Stamford HCI444E / HCI444FS
Rated Output	350 kVA / 280 kW
Rated Voltage	400V / 230V, customizable
Rated Frequency	50Hz
Rated Speed	1500 RPM
Power Factor	0.8 lagging
Phase	3 Phase
Excitation System	Brushless, self-excited
PMG Option	PMG available for better motor-starting performance
AVR Model	SX460 / AS440 / MX341 depending on configuration
Voltage Regulation	±1.0% standard, ±0.5% optional
Insulation Class	Class H
Protection Grade	IP23 standard
Optional Protection Grade	IP44 / IP55 available upon request
Winding Pitch	2/3 pitch for harmonic reduction
Bearing Type	Single bearing, double bearing optional
Cooling Method	Self-ventilated
Waveform Distortion	Low waveform distortion for stable industrial power output
Application	Suitable for 280kW Cummins generator set, 350kVA industrial diesel generator, and heavy-duty standby power systems

Reliable 280kW Cummins Generator Set for Land Power: The 280kW 350kVA Cummins Generator Set NTA855-G2 is designed for industrial standby power, commercial emergency power, construction site power, and continuous land-based diesel generator applications.
Proven Cummins NTA855-G2 Diesel Engine: Powered by the well-known Cummins NTA855-G2 engine, this 350kVA Cummins diesel generator delivers strong torque, stable operation, long service life, and excellent reliability for demanding power environments.
Excellent Industrial Power Performance: The 280kW Cummins diesel generator set provides stable voltage and frequency output, making it suitable for factories, hospitals, office buildings, mining sites, telecom stations, data centers, and large commercial facilities.
Matched Stamford Alternator: Equipped with a recommended Stamford HCI444 series alternator, the generator set offers Class H insulation, brushless excitation, reliable AVR voltage regulation, and strong load acceptance for heavy-duty electrical equipment.
Deep Sea Smart Control System: The Deep Sea DSE7320 MKII controller provides digital monitoring of voltage, current, frequency, oil pressure, coolant temperature, battery voltage, running hours, alarms, and automatic shutdown protections.
Open Type and Silent Type Options: The open type Cummins generator set is compact and easy to maintain, while the silent type Cummins generator set includes an acoustic canopy for reduced noise, weather protection, and outdoor installation.
Fuel-Efficient Heavy-Duty Diesel Generator: The Cummins PT fuel system supports efficient combustion and reliable fuel delivery, helping reduce operating costs while maintaining high power output under demanding loads.
Easy Maintenance and Global Support: Cummins engines and Stamford alternators are widely supported worldwide, ensuring convenient access to spare parts, technical support, and maintenance services.
Strong Load Acceptance for Industrial Equipment: This 350kVA Cummins diesel generator is suitable for starting motors, pumps, compressors, HVAC systems, cranes, production lines, and other heavy industrial loads.

Bespoke Manufacturing

Engineered to Your Exact Specifications

From standard backup power to complex multi-megawatt parallel systems, we customize every aspect of your generator set to ensure peak performance in your specific operational environment.

Open Skid Type

Standard configuration for indoor plant rooms. Features a heavy-duty fabricated steel base frame with built-in anti-vibration mounts.

Silent Canopy

Weatherproof and highly sound-attenuated (down to 65dB(A) @ 7m). Built with cold-rolled steel and fire-retardant acoustic foam.

Mobile Trailer

Single or dual-axle designs with mechanical/air brakes and lighting systems. Ideal for mining, construction, and rental applications.

Containerized

ISO standard 20ft/40ft containers for high-capacity units (500kVA+). Offers ultimate protection and simplifies global shipping.

Core Components

Alternator Upgrades

Partnering with Stamford, Leroy Somer, and Mecc Alte. We offer custom configurations including:

PMG Excitation System
IP44/IP55 Protection
Anti-condensation Heaters
Heavy-duty Winding

Intelligent Controllers

Equipped with Deep Sea (DSE), ComAp, or SmartGen modules, enabling advanced power management:

Remote SCADA Monitoring
Auto Mains Failure (AMF)
Multi-unit Synchronization
Cloud-based Diagnostics

Comprehensive Solutions

Beyond hardware, our engineering team provides end-to-end services to ensure your power system integrates seamlessly into your project.

Extreme Climate Prep

Engine water/oil pre-heaters for cold regions, and sand-proof louvers with heavy-duty air filters for deserts.

Parallel & Sync Systems

Design and manufacture of synchronization panels to run multiple generator sets in parallel for large loads.

Custom ATS Panels

Automatic Transfer Switches tailored to your grid voltage, ensuring seamless switching during power outages.

Testing & Certification

Rigorous Factory Acceptance Testing (FAT) with load banks. Support for CE, ISO9001, and SGS third-party inspections.

Open Type

Length (L)

3000 mm

Width (W)

1100 mm

Height (H)

1850 mm

Dry Weight

2760 kg

Silent Type

Length (L)

4000 mm

Width (W)

1400 mm

Height (H)

2150 mm

Dry Weight

4400 kg

Dimensional & Assembly (DA) Drawing

Available upon request

Technical Data Sheet

Generator Set Specifications

Engine Specifications

Alternator Specifications

Engineered to Your Exact Specifications

Open Skid Type

Silent Canopy

Mobile Trailer

Containerized

Core Components

Alternator Upgrades

Intelligent Controllers

Comprehensive Solutions

Extreme Climate Prep

Parallel & Sync Systems

Custom ATS Panels

Testing & Certification

Open Type

Silent Type

Dimensional & Assembly (DA) Drawing

Before confirming this configuration

Get a Custom Quote

Request a quote

280kW 350kVA Cummins Generator Set NTA855-G2

Technical Data Sheet

Generator Set Specifications

Engine Specifications

Alternator Specifications

Engineered to Your Exact Specifications

Open Skid Type

Silent Canopy

Mobile Trailer

Containerized

Core Components

Alternator Upgrades

Intelligent Controllers

Comprehensive Solutions

Extreme Climate Prep

Parallel & Sync Systems

Custom ATS Panels

Testing & Certification

Open Type

Silent Type

Dimensional & Assembly (DA) Drawing

Before confirming this configuration

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Get a Custom Quote

Request a quote