256kW 320kVA Cummins Generator Set 6LTAA9.5-G1

Generator Set Specifications

Specification	Technical Data
Product Name	256kW 320kVA Cummins Generator Set 6LTAA9.5-G1
Genset Model	TPD350C5-1 / 256kW Cummins Land Type Diesel Generator
Prime Power (PRP)	256 kW / 320 kVA
Standby Power (ESP)	282 kW / 352 kVA
Engine Model	Cummins 6LTAA9.5-G1
Recommended Alternator	Stamford UCDI274N / Leroy Somer TAL-A46-C
Rated Voltage	400V / 230V (Customizable to 380V, 415V, 440V, 480V)
Rated Frequency	50Hz
Rated Speed	1500 RPM
Rated Current	462 Amps at 400V, 3-phase
Power Factor	0.8 (Lagging)
Phase & Connection	3 Phase, 4 Wire
Cooling Method	Closed water-cooled radiator system
Starting System	24V DC electric start
Control System	Deep Sea DSE7320 MKII
Voltage Regulation	AVR automatic voltage regulation, ±1.0%

Engine Specifications

Specification	Technical Data
Engine Manufacturer	Cummins
Engine Model	6LTAA9.5-G1
Engine Type	6-cylinder in-line, 4-stroke diesel engine
Aspiration	Turbocharged and Aftercooled
Displacement	9.5 Liters
Bore × Stroke	114 mm × 145 mm
Compression Ratio	16.6 : 1
Rated Speed	1500 RPM
Gross Engine Output	Approx. 287 kWm
Fuel System	Direct injection fuel system
Governor Type	Electronic governor
Cooling System	Water-cooled radiator system
Lube Oil Capacity	27.6 Liters
Coolant Capacity	Approx. 43 Liters
Fuel Consumption (100% Load)	66.0 Liters/hour
Fuel Consumption (75% Load)	50.0 Liters/hour
Fuel Consumption (50% Load)	34.0 Liters/hour

Alternator Specifications

Specification	Technical Data
Alternator Brand	Stamford
Recommended Model	UCDI274N (or equivalent Leroy Somer TAL-A46-C)
Rated Output	320 kVA / 256 kW
Rated Voltage	400V / 230V
Rated Frequency	50Hz
Power Factor	0.8 lagging
Excitation System	Brushless, self-excited
AVR Model	AS440 / Equivalent
Voltage Regulation	±1.0%
Insulation Class	Class H
Protection Grade	IP23
Winding Pitch	2/3 pitch
Bearing Type	Single bearing

This 256kW Cummins Generator Set is engineered for reliable land use applications, delivering stable prime and standby power for factories, hospitals, shopping centers, telecom projects, and infrastructure facilities.
Powered by the robust Cummins 6LTAA9.5-G1 Generator Set engine, this unit offers strong load acceptance, dependable continuous performance, and long service life in industrial environments.
The advanced fuel delivery and electronic governing system improve combustion efficiency, helping this 320kVA Cummins Diesel Generator achieve excellent fuel economy and low operating costs.
Equipped with a high-quality Stamford alternator, the genset provides stable voltage output, low waveform distortion, and dependable protection for sensitive electrical equipment.
The integrated Deep Sea DSE7320 MKII controller offers full monitoring, AMF functionality, fault shutdown protection, and user-friendly operation for industrial standby power applications.
Available in both Cummins Open Type Generator and Cummins Silent Type Generator versions, this model can be configured for indoor engine room installations or outdoor low-noise use.
As a dependable 256kW Land Use Diesel Generator, this genset is ideal for industrial plants, construction sites, rental fleets, emergency backup systems, and commercial buildings.
Compact structure, strong base frame, and convenient maintenance access make this 320kVA Industrial Standby Generator a practical and efficient power solution.

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)

2780 mm

Width (W)

1120 mm

Height (H)

1830 mm

Dry Weight

2300 kg

Silent Type

Length (L)

3850 mm

Width (W)

1400 mm

Height (H)

2100 mm

Dry Weight

3250 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

256kW 320kVA Cummins Generator Set 6LTAA9.5-G1

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