50Hz Cummins 6BTAA5.9-G2 108kW/135kVA Diesel Generator Set

50Hz Cummins 108kW/135kVA Diesel Generator Set
1. Technical Parameter
Parameter Item | Technical Data |
Generator Set Model | Cummins 6BTAA5.9-G2 Diesel Generator Set |
Rated Frequency | 50Hz |
Prime Power (kW/kVA) | 108kW / 135kVA |
Standby Power (kW/kVA) | 116kW / 145kVA |
Full Load Fuel Consumption | 30L/H |
Rated Speed | 1500RPM |
Rated Voltage | 400V/230V, Three-phase Four-wire |
Power Factor | 0.8 Lagging |
Engine Brand | Genuine Dongfeng Cummins |
Engine Model | 6BTAA5.9-G2 |
Engine Structure | 6-cylinder, 4-stroke, In-line, Water-cooled, Turbocharged & Air-air Intercooled |
Bore * Stroke | 102mm * 120mm |
Displacement | 5.9L |
Compression Ratio | 16.5:1 |
Fuel System | North Oil PB Fuel Pump + GAC Electronic Governor |
Cooling System | Integrated Self-circulating Water Cooling Radiator |
Alternator Excitation Type | Brushless, Self-excited, Full Copper Winding |
Insulation Grade | H Grade |
Protection Grade | IP23 |
Voltage Regulation Mode | Automatic AVR Constant Voltage Regulation |
Starting Mode | 24V DC Electric Start |
Working Temperature Range | -20℃ ~ +45℃ |
Average Trouble-free Operation Hours | ≥1500 Hours |
Overhaul Service Life | ≥6000 Hours |
Emission Standard | China Stage II / Euro 2 Compliant |
2. Core Product Features
The Cummins 6BTAA5.9-G2 108kW/135kVA diesel generator set is an upgraded high-power industrial power generation equipment built on Cummins classic 5.9L six-cylinder platform. Adopting professional turbocharged and air-air intercooled technology, this model optimizes power output efficiency and high-temperature resistance compared with conventional turbocharged units. After years of on-site engineering verification, it features strong power reserve, stable full-load operation and low failure rate, and is a mainstream 135kVA industrial intercooled diesel generator widely used in medium and large industrial production, engineering construction and commercial emergency power supply fields.
2.1 Turbocharged Air-air Intercooled Design, Strong Power Reserve
Powered by genuine Dongfeng Cummins 6BTAA5.9-G2 inline six-cylinder water-cooled engine, the unit adopts advanced turbocharged air-air intercooled intake structure. Different from ordinary single turbocharged generators, the intercooled design can effectively reduce intake air temperature, solve the problem of power attenuation under long-term high-load and high-temperature operation, and make fuel combustion more sufficient and uniform. The 5.9L large-displacement six-cylinder structure brings more stable power output and stronger anti-load impact capability. The rated prime power reaches 108kW/135kVA, and the emergency standby power is up to 116kW/145kVA, which can easily cope with sudden peak load surge and long-term variable load continuous operation. Matched with full-copper brushless self-excited alternator and high-precision AVR automatic voltage regulation system, the unit maintains ultra-low voltage and frequency fluctuation, ensuring stable 50Hz standard power supply quality for industrial precision equipment.
2.2 Electronic Fuel Regulation, Stable Full-load Fuel Consumption
This upgraded G2 model is equipped with North Oil PB precision fuel pump and GAC electronic governor, realizing intelligent fuel supply adjustment and precise speed regulation according to real-time load changes. The full-load fuel consumption is stably controlled at 30L/H, with high fuel combustion utilization rate and no invalid fuel waste. Compared with mechanical governor generators of the same power, it has more stable fuel consumption performance and smaller speed regulation error. For industrial parks, construction projects and large breeding bases that require long-term standby power and intermittent off-grid power generation, the standardized and transparent fuel consumption data is convenient for daily operation cost accounting and budget control. As a practical 108kW high-power industrial backup generator, it balances high power performance and economic operation, with outstanding comprehensive cost performance.
2.3 Brushless Maintenance-free Structure, Low Operation Failure Rate
The whole power generation system adopts mature brushless self-excited excitation design, completely eliminating vulnerable parts such as carbon brushes and slip rings in traditional brushed generators. This structural optimization fundamentally reduces mechanical wear and daily maintenance frequency, realizing long-term maintenance-free stable operation in conventional working environments. The H-grade ultra-high temperature resistant insulation material can resist long-term high-temperature aging, moisture erosion and electrical breakdown, greatly extending the service life of alternator windings. The IP23 dust-proof and splash-proof protection grade can effectively isolate daily dust accumulation, debris invasion and light rain splash interference, adapting to indoor generator room fixed installation and outdoor awning temporary placement. The integrated cast iron cylinder block and forged steel crankshaft structure improve overall structural rigidity, with strong shock resistance and durability, greatly reducing later maintenance labor and material costs.
2.4 Complete Intelligent Protection, Excellent Environmental Adaptability
This Cummins 135kVA turbocharged intercooled generator set is equipped with a full set of intelligent safety protection mechanisms, including low oil pressure alarm shutdown, high water temperature overheat protection, overload protection, overvoltage and undervoltage protection and overspeed automatic protection. Once abnormal working conditions occur, the unit will automatically alarm and cut off power supply to avoid equipment burnout and safety accidents. The standard 24V DC electric start system ensures high one-time start-up success rate, supporting manual start and automatic mains linkage switching operation. The self-circulating water cooling system guarantees stable heat dissipation in high-temperature environments, enabling normal operation in the temperature range of -20℃ to +45℃. Compliant with Euro 2 and China Stage II emission standards, the unit has low exhaust emissions and meets environmental protection operation requirements of industrial parks, commercial zones and outdoor engineering sites.
3. Main Application Scenarios
With large power reserve, stable high-load operation performance and strong environmental adaptability, the Cummins 6BTAA5.9-G2 108kW/135kVA diesel generator set covers medium and large industrial manufacturing, long-cycle field engineering, large-scale agricultural breeding and processing, commercial cluster emergency backup and municipal public facility power guarantee fields. It is the preferred reliable equipment for 135kVA industrial continuous power supply and 145kVA emergency standby power generation.
3.1 Medium and Large Industrial Manufacturing Enterprises
It is widely applicable to large mechanical processing bases, hardware manufacturing factories, packaging production lines, food processing plants, light industrial manufacturing and chemical auxiliary workshops. Modern industrial continuous production has extremely high requirements for power supply stability and continuity. Sudden power grid failure, seasonal power rationing and routine grid maintenance power cuts will directly lead to production line shutdown, equipment idling and huge economic losses. This six-cylinder intercooled generator has strong overload resistance and fast load response speed, which can quickly take over power supply to ensure the normal operation of production equipment, workshop ventilation systems, water supply and drainage equipment and on-site intelligent monitoring systems, effectively guaranteeing uninterrupted industrial production.
3.2 Long-cycle Outdoor Field Engineering Projects
For municipal key infrastructure construction, large-scale road and bridge engineering, water conservancy and hydropower projects, remote mining operations and field exploration projects without complete power grid coverage, this turbocharged intercooled diesel generator set serves as the core main power supply equipment. Its 5.9L large-displacement six-cylinder structure supports long-term high-load continuous operation, which can meet the stable power demand of medium and large construction machinery, field office equipment, engineering monitoring systems and staff living supporting facilities, perfectly solving the power supply blank of long-cycle off-grid engineering projects.
3.3 Large-scale Agricultural Breeding & Processing Industrial Parks
It is an ideal power supply device for large livestock and poultry breeding farms, aquatic breeding bases and agricultural product deep processing parks. The breeding and agricultural processing industry is highly dependent on stable power supply. Short-term power outage will cause hypoxia death of livestock and aquatic products, deterioration of processing raw materials and batch economic losses. The unit can operate stably for a long time, continuously supplying power for constant temperature breeding equipment, ventilation aeration systems, refrigeration and fresh-keeping equipment and agricultural processing machinery, ensuring the stable and efficient operation of agricultural and breeding bases throughout the year.
3.4 Commercial Clusters & Large Property Supporting Projects
Suitable for large shopping mall plazas, high-grade office buildings, hotel groups and large residential community properties. These commercial and residential clusters have dense electrical equipment and large total power consumption, and power supply interruption will affect commercial operation efficiency and residents' daily life. In peak power consumption tension periods and sudden power outage emergencies, the unit can automatically start and switch power supply, ensuring the normal operation of fire control linkage systems, elevator emergency equipment, public lighting and central air conditioning systems, maintaining stable commercial service and community public operation order.
3.5 Municipal Public Facilities & Emergency Rescue Guarantee
It can be used as emergency backup power for county-level hospitals, health centers, fire rescue stations, environmental monitoring stations and municipal emergency facilities. In sudden power outage emergencies, the unit can respond rapidly to provide stable power support for medical rescue equipment, fire alarm systems, environmental monitoring instruments and municipal emergency disposal equipment, ensuring the normal operation of public infrastructure and improving regional emergency response and public service guarantee capacity.
4. Core Product Purpose
Positioned as a high-power six-cylinder intercooled Cummins industrial diesel generator, the 6BTAA5.9-G2 model focuses on meeting long-term high-load continuous power supply and high-standard emergency power guarantee demands, with core purposes covering industrial emergency backup, off-grid main power supply, power grid peak regulation and key equipment safety power guarantee.
Firstly, it provides industrial and commercial sudden power failure emergency backup power supply. It is mainly used to respond to unplanned power grid outages, seasonal power rationing and routine power grid maintenance power cuts in industrial parks and commercial clusters. It can quickly switch to power supply state to avoid enterprise production shutdown, commercial service suspension and property operation paralysis, providing reliable power safety barrier for daily operation of various institutions.
Secondly, it acts as long-term prime power for off-grid and weak power grid areas. For remote mountainous areas, field engineering construction bases, mining operation sites and suburban areas with unstable grid voltage, the unit can operate 24 hours continuously as the main power generation equipment, stably outputting 108kW rated power to meet the long-term production, processing and living power demand of users.
Thirdly, it undertakes power grid peak shaving and auxiliary power supply. In summer and winter peak power consumption periods with tense regional power supply, the generator set can be started for auxiliary power supply to make up for the insufficient capacity of municipal power grid, relieve equipment overload operation pressure, and effectively avoid production delay and project stagnation caused by power shortage.
Finally, it provides high-precision power guarantee for key professional equipment. Relying on AVR constant voltage regulation technology and stable frequency output performance, it supplies high-quality power for industrial precision processing equipment, medical rescue devices, fire control systems and environmental monitoring instruments, avoiding equipment failure, data loss and safety accidents caused by power supply fluctuation.
5. Common FAQ
Q1: What is the practical difference between prime power and standby power of Cummins 6BTAA5.9-G2 generator?
The 108kW/135kVA prime power is the factory-calibrated long-term continuous operating power, supporting 24-hour uninterrupted stable operation, which is suitable for daily off-grid main power supply and long-term industrial standby scenarios. The 116kW/145kVA standby power belongs to short-term emergency peak power, only allowing 1-hour overload operation within 12 hours, and long-term operation under standby load is strictly prohibited in actual use. According to industrial operation experience, controlling the long-term operating load within 80% of prime power can effectively reduce engine wear, stabilize fuel consumption and extend the overall service life of the 135kVA turbocharged intercooled diesel generator set.
Q2: What are the core advantages of 6BTAA5.9-G2 intercooled model compared with ordinary turbocharged generators?
The biggest technical upgrade of the 6BTAA5.9-G2 model is the turbocharged air-air intercooled system. Ordinary single turbocharged generators are prone to intake air temperature rise and power attenuation after long-term high-load operation, especially in high-temperature environments. The intercooled structure of this unit can continuously cool the intake air, keep the air-fuel ratio stable, and maintain sufficient power output even under long-term high-load operation. Matched with electronic speed regulation and precision fuel supply system, it has more sensitive load response, lower frequency fluctuation and more stable overall performance, which is more suitable for long-cycle continuous operation of large industrial and engineering projects.
Q3: What installation and daily maintenance points should be noted for IP23 6BTAA5.9-G2 industrial generator?
This unit adopts IP23 dust-proof and splash-proof protection grade and H-grade high-temperature resistant insulation, adapting to indoor generator room fixed installation and outdoor awning protection placement, and can cope with complex working conditions such as construction site dust and light rain erosion. During installation, sufficient heat dissipation space must be reserved around the unit to avoid high-temperature shutdown caused by poor heat dissipation. In daily maintenance, regularly replace engine three filters and lubricating oil to ensure the sensitivity of the electronic fuel governor. Avoid long-term full-load overload operation in daily use, which can effectively reduce failure rate and keep the unit in optimal working state for a long time.

