50HZ Cummins QSK95-G4 2690kW/3363kVA Diesel Generator Set

50HZ Cummins 2690kW/3363kVA Diesel Generator Set
1. Technical Parameter
Parameter Category | Detailed Item | Technical Data |
Unit Power Performance | Rated Frequency | 50Hz |
Prime Power (kW/kVA) | 2690kW / 3363kVA | |
Standby Power (kW/kVA) | 3010kW / 3763kVA | |
100% Full Load Fuel Consumption | 645L/H | |
Engine Core Parameters (QSK95-G4) | Engine Brand & Model | Cummins QSK95-G4 G-Drive Ultra-High Power Industrial Engine |
Engine Structure | 16-Cylinder 60° V-type, 4-Stroke, Turbocharged & Low Temperature Aftercooled (LTA) | |
Fuel System | Cummins Modular Common Rail System (MCRS) Full Electronic Injection | |
Control System | Full Authority Electronic Control (FAEC) Intelligent Governing System | |
Bore × Stroke | 190mm × 210mm | |
Total Displacement | 95.3L | |
Compression Ratio | 15.5:1 | |
Rated Speed | 1500RPM | |
Cooling System | Heavy-duty Dual-loop Closed Water Circulation Cooling Package | |
Lubrication Mode | Full Pressure Circulating Lubrication System | |
Starting System | 24V DC Negative Ground Electric Starting, High-torque Starting Motor | |
Charging Alternator | 140A Built-in Battery Charging Alternator | |
Air Intake System | High-efficiency Pulse Turbocharger & Dual-stage Dry Air Filtration | |
Filter Configuration | Triple-element Fuel Filter with Water Separator, Full-flow High-efficiency Lube Filter | |
Dry Weight | 13290kg | |
Overhaul Service Life | Up to 20,000 Hours | |
Max Engine Output Power | 3150kW | |
Emission Standard | EPA Tier 2 Compliant, Optional Low-NOx Upgrade | |
Industrial Certification | ISO3046, ISO8528 Certified | |
Alternator Configuration | Excitation Type | Brushless, Self-excited |
Insulation Grade | H Grade | |
Protection Grade | IP23 | |
Steady-State Voltage Regulation Accuracy | ≤±1% | |
Frequency Stability | ≤0.5% | |
General Operating Parameters | Rated Voltage | 400V/230V, 3 Phase 4 Wire |
Power Factor | 0.8 Lagging | |
Continuous Operation Capacity | 24-hour Non-stop Full-load Prime Operation | |
Short-term Overload Capacity | 110% Rated Load Overload Operation |
2. Core Product Features
The Cummins QSK95-G4 2690kW/3363kVA diesel generator set is Cummins flagship ultra-high horsepower industrial power generation equipment, built on the advanced QSK95 large-bore engine platform. As a top-tier 3363kVA prime power diesel generator widely recognized for super-large industrial power supply and hyperscale data center projects, this model adopts the latest Modular Common Rail fuel system and full-authority electronic control technology. It delivers industry-leading continuous power stability, extreme load impact resistance and long-cycle operational reliability, making it the most reliable solution for full-time prime power operation and mission-critical emergency standby power in high-demand industrial scenarios.
In terms of power performance and load adaptability, this heavy-duty Cummins diesel generator set features a 16-cylinder 60° V-type layout and 95.3L ultra-large displacement structure, generating extremely high torque reserve at low and medium speeds. Equipped with low-temperature aftercooled turbocharging technology, the engine maintains sufficient air intake efficiency and complete fuel combustion even under 100% full-load 24-hour continuous operation. The 2690kW stable prime power rating supports long-duration uninterrupted heavy-load operation, fully meeting the extreme power demand of large mining equipment, offshore engineering facilities and super industrial automated production lines. Meanwhile, the 3010kW/3763kVA ultra-high standby power reserve provides massive safety margin, effectively resisting instantaneous load surges and large equipment startup current shocks, ensuring minimal voltage and frequency fluctuation during frequent dynamic load switching.
In terms of fuel efficiency and operational intelligence, the QSK95-G4 engine is equipped with Cummins exclusive MCRS modular common rail fuel injection system, replacing traditional mechanical fuel supply structures. The full electronic control system intelligently adjusts fuel injection pressure, timing and fuel volume in real time according to on-site load changes, achieving precise fuel atomization and efficient combustion. With a standardized full-load fuel consumption of 645L/H, the unit balances ultra-high power output and operational economy, reducing carbon deposition and unnecessary fuel waste during long-term high-power operation. Matched with triple-element high-precision fuel filtration and water separation system and full-flow lubrication filtration device, it adapts to various grades of industrial diesel on site, effectively reducing fuel system blockage and mechanical failure rates.
In terms of structural durability and maintenance cost control, the QSK95-G4 industrial engine adopts thickened high-strength cast iron cylinder block, forged heavy-duty crankshaft and reinforced connecting rod assembly, greatly improving overall mechanical rigidity and vibration resistance during long-term high-intensity operation. The optimized dual-loop closed circulation cooling system and full-pressure lubrication system provide stable heat dissipation and uniform lubrication protection under high-temperature, dusty and heavy-load harsh working conditions, avoiding power attenuation and unexpected shutdown faults. The unit supports an ultra-long 20,000-hour major overhaul cycle, significantly reducing long-term downtime and comprehensive maintenance costs for large-scale power supply projects.
In terms of power generation safety and environmental adaptability, the matched brushless self-excited alternator removes traditional carbon brush and slip ring wearing parts, realizing long-term maintenance-free excitation operation and lowering daily inspection workload. Adopting premium H-grade ultra-high temperature resistant insulation materials, the alternator effectively prevents insulation aging and electrical breakdown caused by long-term high-load operation, ensuring stable power generation quality. The IP23 industrial protection grade can block outdoor dust, floating debris and splashing rainwater, adapting to outdoor generator rooms, open-air engineering sites and dusty mining workshops. Compliant with EPA Tier 2 emission standards and supporting optional Low-NOx upgrade, the unit features low smoke and low pollutant emissions, meeting strict green environmental assessment requirements of modern super projects.
In terms of scalable application capability, this electronically controlled ultra-high power generator supports multi-unit parallel grid connection to expand system power supply capacity, perfectly matching the cluster power demand of hyperscale data center parks and super-large industrial bases. Users can optionally configure silent acoustic canopy, mobile heavy-duty trailer chassis, ATS automatic transfer switch and remote cloud monitoring system to realize unattended automatic power switching, silent power generation and mobile emergency power supply, covering diversified ultra-high power application scenarios.
3. Main Application Scenarios
Thanks to its ultra-high continuous prime power output, extreme working condition adaptability, intelligent electronic control system and low-emission environmental performance, the Cummins QSK95-G4 2690kW diesel generator set is widely used in hyperscale IDC data center clusters, super-heavy industrial bases, offshore oil and gas engineering, national key super infrastructure and remote large-scale off-grid power supply projects, covering all high-standard power guarantee scenarios requiring 24/7 stable operation and ultra-high power capacity.
Hyperscale IDC Data Center Power Guarantee: As a flagship ultra-high power standby and prime power unit, this 3363kVA Cummins diesel generator set is the core power guarantee equipment for super-large cloud computing data centers, cross-regional communication core hubs and national digital infrastructure projects. It provides stable grid-connected standby power and peak-shaving power support for data center clusters, and can achieve seamless switching within milliseconds during mains failure. The 3763kVA super-high standby power margin ensures uninterrupted operation of server clusters, storage systems and network equipment, avoiding data loss and system paralysis risks.
Super-heavy Industrial Continuous Prime Power Supply: It serves as the main power source for large open-pit mining groups, offshore mineral development bases, large-scale metallurgical smelting plants and ultra-large chemical industrial parks. These heavy industrial scenarios require round-the-clock uninterrupted power supply with zero tolerance for power outage. The 2690kW stable continuous prime power can completely replace municipal grid power for long-term off-grid operation, ensuring continuous production of automated heavy-duty equipment and avoiding massive economic losses caused by production shutdown.
Offshore & Onshore Oil and Gas Field Engineering: This ultra-high power generator set is specially suitable for offshore drilling platforms, onshore oilfield operation bases and natural gas exploitation projects. Oil and gas field operation sites are usually far away from urban power grids with harsh environmental conditions. The QSK95-G4’s strong dust resistance, high-temperature resistance and stable full-load operation capability can provide long-term reliable power support for drilling equipment, processing systems and living supporting facilities of oil and gas projects.
National Key Super Engineering Construction: It is widely applied in large water conservancy hubs, cross-sea bridge projects, long-distance railway engineering and remote field exploration operations. Large-scale infrastructure construction projects have high requirements for power stability and equipment reliability. The unit’s ultra-high power output and harsh environment adaptability can meet the high-intensity power demand of large construction machinery and on-site integrated supporting systems, ensuring smooth progress of key engineering projects.
Urban Core Infrastructure & Emergency Power Reserve: The unit is used as emergency backup power for urban rail transit hubs, large financial centers, Grade-A tertiary hospitals and government emergency command centers. When municipal grid trips, equipment failures or routine power maintenance occur, it can quickly take over power supply to guarantee normal operation of medical rescue equipment, public safety systems and urban core service facilities, ensuring stable operation of urban lifeline infrastructure.
Remote Off-grid Power Supply & Grid Peak Shaving: It is the preferred power supply equipment for remote islands, plateau industrial bases and large field operation areas without grid coverage. During peak power consumption periods with tight municipal grid capacity, the unit can serve as a high-power peak-shaving unit to fill grid power gaps, relieve regional power supply pressure and solve enterprise production restrictions caused by power rationing.
4. Core Product Purpose
The core purpose of the Cummins QSK95-G4 2690kW/3363kVA diesel generator set is to provide flagship-level ultra-stable continuous prime power support and ultra-high capacity emergency standby power guarantee for hyperscale digital infrastructure and super-heavy industrial key projects, solving the industry pain points of insufficient power reserve, poor full-load durability and low safety margin of conventional high-power generator sets.
As a super-large industrial 24/7 prime power generation unit, the QSK95-G4 relies on 95.3L ultra-large displacement and 2690kW high-stable continuous power output to provide long-term off-grid main power and grid-connected peak-shaving power for super industrial parks and mining bases with insufficient municipal grid capacity. The advanced MCRS common rail fuel system and full-authority electronic control system ensure efficient and stable operation under long-term variable-load and harsh working conditions, meeting the high-efficiency and low-consumption operation standards of modern ultra-heavy industry.
As a 3763kVA high-capacity emergency standby power device, the ultra-high standby power reserve and fast dynamic response performance fully comply with the strict power safety specifications of hyperscale data centers and national key infrastructure. It realizes instant startup and seamless mains switching during grid faults, effectively avoiding major losses such as data center system paralysis, industrial production suspension and public facility operation interruption, greatly improving the emergency risk resistance capability of key national projects.
As an intelligent scalable high-power power supply solution, the unit supports multi-unit parallel expansion and intelligent unattended operation, with real-time fault self-diagnosis and adaptive load adjustment functions. It effectively relieves municipal grid peak power pressure, helps industrial enterprises and data center parks avoid power rationing restrictions, and maximizes operational safety, environmental benefits and long-term economic returns of ultra-high power supply projects.
5. Common FAQ
Q1: What are the core advantages of QSK95-G4 compared with QSK78 and QSK60 series generators?
The QSK95-G4 is Cummins top-tier flagship ultra-high power model, adopting a 95.3L 16-cylinder large-bore platform, which is significantly upgraded compared with QSK78 and QSK60 series. It uses advanced MCRS modular common rail fuel injection technology, delivering higher fuel control precision and better full-load combustion stability. With higher 2690kW prime power and 3763kVA standby power rating, it provides larger power reserve and stronger anti-impact capability, more suitable for hyperscale data centers and super-heavy industrial full-time heavy-load operation. Meanwhile, it retains the 20,000-hour ultra-long overhaul cycle and supports Low-NOx emission upgrade, with better comprehensive environmental adaptability and longer service life in harsh scenarios.
Q2: What is the scientific and stable operating load range for this 3363kVA diesel generator set?
Based on Cummins official factory calibration standards and long-term on-site operation experience of ultra-large projects, the recommended stable continuous operating load of this unit is controlled between 50% and 85% of the 2690kW rated prime power. This load range enables the MCRS common rail system and electronic control system to operate in the optimal matching state, minimizing mechanical wear, carbon accumulation and ineffective fuel consumption while maintaining optimal power stability and fuel economy. In emergency mains failure scenarios, the unit supports 110% short-term overload operation relying on 3763kVA standby power, but continuous overload operation exceeding 1 hour is strictly prohibited to avoid damage to the fuel system and H-grade alternator insulation structure.
Q3: What harsh working environments can this IP23 brushless ultra-high power generator adapt to?
The QSK95-G4 ultra-high power generator is professionally calibrated for extreme industrial working conditions, with excellent environmental adaptability and operational reliability. The IP23 protection grade effectively resists outdoor dust, floating debris and splashing rainwater, adapting to open-air engineering sites, mining yards and outdoor fixed generator rooms. The H-grade high-temperature resistant alternator maintains stable power generation efficiency under long-term high-load and high-temperature environments. Matched with dual-stage high-efficiency air filtration, water separation device and heavy-duty dual-loop cooling system, it can operate stably in high-temperature, high-dust, high-altitude and humid harsh environments, fully meeting the long-term power supply needs of offshore engineering, super mining and hyperscale data center projects.

