80kW 100kVA Cummins Industrial Generator Set QSB3.9-G39

Generator Set Specifications

Specification	Technical Data
Product Name	80kW 100kVA Cummins Industrial Generator Set QSB3.9-G39
Genset Model	C100D5 / 80kW Cummins Land Type Diesel Generator
Prime Power (PRP)	80 kW / 100 kVA
Standby Power (ESP)	88 kW / 110 kVA
Engine Model	Cummins QSB3.9-G39
Recommended Alternator	Stamford UCI274C / Leroy Somer TAL-A44-B
Rated Voltage	400V / 230V (Customizable to 380V, 415V, 440V, 480V)
Rated Frequency	50Hz
Rated Speed	1500 RPM
Rated Current	144 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	QSB3.9-G39
Engine Type	4-cylinder in-line, 4-stroke diesel engine
Aspiration	Turbocharged and Charge Air Cooled
Displacement	3.9 Liters
Bore × Stroke	102 mm × 120 mm
Compression Ratio	17.3 : 1
Rated Speed	1500 RPM
Gross Engine Output	Approx. 95 kWm
Fuel System	High-pressure common rail fuel system
Governor Type	Electronic governor / ECM control
Cooling System	Water-cooled radiator system
Lube Oil Capacity	10.9 Liters
Coolant Capacity	Approx. 18 Liters
Fuel Consumption (100% Load)	22.0 Liters/hour
Fuel Consumption (75% Load)	16.5 Liters/hour
Fuel Consumption (50% Load)	11.5 Liters/hour

Alternator Specifications

Specification	Technical Data
Alternator Brand	Stamford
Recommended Model	UCI274C (or equivalent Leroy Somer TAL-A44-B)
Rated Output	100 kVA / 80 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 80kW Cummins Industrial Generator Set is expertly engineered for reliable land use applications, delivering stable prime and standby power for factories, hospitals, telecom stations, office buildings, and infrastructure projects.
Powered by the advanced Cummins QSB3.9-G39 Generator Set engine, this unit offers robust performance, fast load response, and dependable operation in demanding industrial environments.
The high-pressure common rail system helps this 100kVA Cummins Diesel Generator achieve highly efficient combustion, lower emissions, and excellent fuel economy.
Equipped with a premium Stamford alternator, the genset provides stable voltage output, low waveform distortion, and reliable protection for sensitive electrical equipment.
The integrated Deep Sea DSE7320 MKII controller offers full monitoring, AMF functionality, fault shutdown protection, and easy operation for industrial standby power systems.
Available in both Cummins Open Type Generator and Cummins Silent Type Generator versions, this model can be easily deployed in indoor power rooms or outdoor low-noise installations.
As a dependable 80kW Land Use Diesel Generator, this genset is ideal for industrial plants, commercial buildings, construction sites, emergency backup systems, and rental power use.
Compact structure, robust skid base, and convenient maintenance access make this 100kVA Industrial Standby Generator a highly practical and cost-effective 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)

2020 mm

Width (W)

750 mm

Height (H)

1400 mm

Dry Weight

980 kg

Silent Type

Length (L)

2700 mm

Width (W)

1000 mm

Height (H)

1650 mm

Dry Weight

1300 kg

Dimensional & Assembly (DA) Drawing

Available upon request

80kW 100kVA Cummins Industrial Generator Set QSB3.9-G39

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

80kW 100kVA Cummins Industrial Generator Set QSB3.9-G39

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