50HZ YUCHAI YC6MJ600-D30 360kW/450kVA Diesel Generator Set

50HZ YUCHAI 360kW/450kVA Diesel Generator Set
1. Technical Parameter
Parameter Category | Parameter Item | Technical Data |
Overall Genset Parameters | Brand | YUCHAI |
Matching Engine Model | YC6MJ600-D30 | |
Prime Power (kW/kVA) | 360kW/450kVA | |
Standby Power (kW/kVA) | 400kW/500kVA | |
Rated Frequency | 50Hz | |
Rated Voltage | 400/230V, Three-phase four-wire | |
Rated Speed | 1500rpm | |
100% Full Load Fuel Consumption | 97.3L/H | |
Diesel Engine Parameters | Engine Brand & Model | YUCHAI YC6MJ600-D30 |
Engine Structure | 6-cylinder inline, 4-stroke, water-cooled, turbocharged & intercooled | |
Bore × Stroke | 131mm × 145mm | |
Total Displacement | 11.73L | |
Valve Configuration | 4 valves per cylinder | |
Fuel Injection System | Electronic High-pressure Common Rail System | |
External Characteristic Minimum Fuel Consumption | ≤195g/kW·h | |
Compression Ratio | 16.8:1 | |
Cylinder Structure | Wet removable cylinder liner | |
Starting Mode | 24V DC Electric Starting | |
Lubrication Method | Pressure & splash composite lubrication | |
Emission Standard | Non-road National Stage III | |
No-derating Altitude | ≤1500m | |
Low-temperature Startup Performance | Stable cold start at -25℃ | |
Working Sequence | 1-5-3-6-2-4 | |
Engine Rated Power | 441kW | |
Major Overhaul Cycle | ≥12000 Hours | |
Alternator Parameters | Excitation Type | Brushless Self-excited |
Insulation Grade | H Grade | |
Protection Grade | IP23 | |
Voltage Regulation Accuracy | ≤0.5% | |
Power Quality Standard | G3 Industrial Grade | |
General Operational Parameters | Overall Unit Weight | Approx 3000kg |
Overall Dimension (L×W×H) | 3150×1300×1760mm | |
Operating Noise (7m Distance) | ≤102dB |
2. Core Product Features
The YUCHAI YC6MJ600-D30 360kW/450kVA diesel generator set is a mature medium-heavy duty industrial power generation equipment built on Yuchai reliable MJ-series engine platform. Optimized for long-hour full-load continuous operation and frequent emergency power switching demands, this 450kVA 50Hz brushless diesel generator balances sufficient power reserve, moderate fuel consumption and strong operational stability. It solves common power supply instability and high maintenance cost problems of medium and large industrial projects, and has become a mainstream high-power power supply solution widely used in industrial production, municipal infrastructure and commercial emergency power guarantee fields.
2.1 Reinforced Heavy-duty Structure for Long-term Full-load Stability
Powered by the original Yuchai YC6MJ600-D30 industrial dedicated power engine with a rated engine power of 441kW, this genset adopts a high-rigidity cast iron cylinder block and alloy forged crankshaft structure, effectively resisting mechanical fatigue and thermal wear during long-term full-load operation. The inline six-cylinder four-stroke design matches four valves per cylinder and turbocharged intercooled intake system, ensuring sufficient air inflow and uniform fuel combustion to maintain consistent and stable power output under long-duration heavy-load working conditions. The wet removable cylinder liner design greatly simplifies daily maintenance and parts replacement work without tedious engine disassembly. Matched with premium brushless self-excited alternator, it completely abandons the traditional carbon brush friction structure, eliminating common faults such as carbon brush wear, electric spark interference and frequent shutdown maintenance. With H-grade high-temperature resistant insulation materials and IP23 dustproof and rainproof protection grade, the whole machine runs reliably in high-temperature, humid and dusty industrial harsh environments with extremely low failure rates.
2.2 High-precision Common Rail System with Controlled Fuel Consumption
This industrial generator is equipped with a professional electronic high-pressure common rail fuel injection system, which can intelligently adjust fuel injection volume and timing according to real-time load fluctuations. Precise fuel control realizes full fuel combustion and minimizes fuel waste, with a stable full-load fuel consumption of 97.3L/H and an external characteristic minimum fuel consumption rate of ≤195g/kW·h. The optimized intake and exhaust structure effectively reduces exhaust smoke and carbon deposition, fully complying with Non-road National Stage III emission standards. During daily operation, it features low noise, low pollution and low carbon emissions, which can smoothly pass environmental assessment inspections of industrial parks and urban key construction projects, realizing a perfect balance between high-efficiency power generation and green environmental protection operation.
2.3 Excellent Transient Response and Wide Environmental Adaptability
As a high-performance 400kW standby power diesel generator, this unit has superior dynamic load adaptability and ultra-fast transient response capability. It can instantly cope with sudden load surges and grid voltage fluctuations, with voltage regulation accuracy controlled within 0.5%, effectively stabilizing three-phase voltage and frequency output. The G3 industrial-grade power quality fully meets the power supply requirements of precision industrial control equipment, automated production lines and public electrical facilities, avoiding equipment damage and production losses caused by power fluctuation. In harsh working conditions, it supports reliable cold start at -25℃ without auxiliary heating devices, suitable for winter outdoor construction and alpine region power supply. It maintains non-derating stable operation at altitudes up to 1500 meters, with the turbocharged intercooled system automatically adapting to low-pressure plateau environments. The IP23 professional protection structure resists dust, floating debris and light rain erosion, supporting long-term open-air placement and unattended continuous operation.
2.4 Low Lifecycle Cost and Outstanding Comprehensive Cost Performance
The Yuchai MJ-series heavy-duty engine adopts mature modular industrial design with compact layout and fewer vulnerable parts, greatly reducing daily failure risks and operational maintenance pressure. The brushless alternator design removes regular carbon brush replacement and routine debugging work, cutting down daily maintenance workload and long-term operational costs significantly. Backed by Yuchai’s nationwide complete after-sales service network and sufficient spare parts supply system, users can access convenient technical support and on-site maintenance services with low after-sales thresholds. The ultra-long major overhaul cycle of over 12000 hours minimizes equipment shutdown time and improves overall operational efficiency. Whether used for fixed indoor standby power or mobile field main power supply, this 360kW industrial diesel generator maintains stable long-term performance with remarkable cost performance advantages in the medium and high-power generator market.
3. Main Application Scenarios
Benefiting from stable 360kW prime continuous power, 400kW emergency peak power reserve and excellent multi-condition adaptability, the YUCHAI YC6MJ600-D30 diesel generator set covers heavy industrial production, municipal core infrastructure, large commercial complexes, field heavy-duty engineering and urban emergency power guarantee fields. It is the preferred high-power power supply equipment for medium and large-scale high-load power demand projects.
3.1 Heavy Industrial Park and Large Factory Emergency Backup Power
This 450kVA three-phase industrial diesel generator is widely deployed as core emergency backup power for heavy manufacturing bases, chemical industrial parks, metallurgical plants, new energy production workshops and large mining enterprises. For fully automated production lines, heavy processing machinery and precision industrial control instruments that cannot withstand sudden power outages, the unit achieves rapid startup and automatic power switching once the municipal grid fails. It effectively avoids massive production shutdowns, product scrapping and equipment burnout losses, ensuring uninterrupted industrial production. Additionally, it serves as the main power source for remote industrial zones and mining areas with unstable grid power or insufficient power capacity, meeting long-term heavy-load off-grid power generation demands.
3.2 Large Commercial and Public Infrastructure Power Guarantee
With ultra-stable power output and high operational reliability, the genset is an ideal standby power solution for super high-rise office buildings, large shopping mall clusters, five-star hotel groups, tertiary hospitals, university campuses and urban public service centers. It provides 24-hour uninterrupted emergency power support for critical facilities including hospital emergency rescue systems, building fire linkage equipment, large data center monitoring systems and public power distribution systems. It effectively eliminates safety hazards and operational losses caused by sudden power failures, ensuring stable operation of urban public infrastructure and large commercial facilities.
3.3 Municipal and Field Heavy-duty Engineering Main Power Supply
In municipal key projects, bridge and tunnel construction, water conservancy and hydropower engineering, railway transit construction and remote field exploration projects without stable grid coverage, this Yuchai heavy-duty generator acts as the primary power supply equipment. It steadily provides continuous power for large engineering machinery, high-power welding equipment, field assembly lines and temporary office facilities. Its excellent low-temperature startup performance and plateau non-derating capability enable stable operation in complex and harsh field environments, making it essential power guarantee equipment for large-scale infrastructure and field engineering teams.
3.4 Urban Emergency Rescue and Special Scenario Power Supply
The unit is commonly used for urban natural disaster emergency relief, power grid overhaul emergency power supply, large communication base station cluster backup power, scenic area peak power supply and remote regional power supply. When extreme weather, grid faults or large-scale power outages occur, it starts up quickly and puts into operation to sustain basic urban operational power demands. It also meets high-load temporary power needs for large outdoor exhibitions, temporary engineering construction and emergency rescue sites, featuring strong scenario compatibility and practical value.
4. Core Product Purpose
The core purpose of the YUCHAI YC6MJ600-D30 360kW/450kVA diesel generator set is to deliver stable, energy-saving and low-maintenance heavy-load power supply solutions for medium and large industrial and commercial high-load projects. The 360kW prime power rating is designed for long-term continuous bearing of industrial heavy-load equipment, fully meeting daily off-grid main power supply and long-duration continuous power generation requirements of large enterprises, mining areas and large-scale engineering projects. The 400kW standby power reserves sufficient peak capacity to handle sudden power failure emergencies and instantaneous heavy-load power surges, solving common industry pain points such as municipal grid instability, regional power shortages and economic losses caused by unexpected power interruptions.
As a cost-effective 50Hz industrial brushless self-excited heavy-duty diesel generator set, this model focuses on industrial-grade heavy-load reliability and long-term operational economy. Adopting Yuchai mature MJ-series medium-heavy duty engine technology and high-stability brushless alternator configuration, it enhances equipment anti-interference ability and harsh environment resistance while reducing long-term operation and maintenance costs for users. It not only satisfies high-load power demands of heavy industrial production and large commercial complex operation, but also provides reliable power guarantee for harsh field engineering construction and urban comprehensive emergency rescue scenarios, standing as a practical and durable high-power generation device integrating stability, energy saving and cost performance.
5. Common FAQ
Q1: What is the actual usage difference between prime power and standby power of YC6MJ600-D30 generator set?
Prime power (360kW/450kVA) refers to the continuous usable rated power of the genset, supporting long-term cyclic full-load operation. It is mainly applied to daily main power supply, long-term off-grid power generation and stable heavy-load industrial production operation. Standby power (400kW/500kVA) is short-term emergency peak power, exclusively used for sudden grid power failure or instantaneous heavy-load surge scenarios. It only allows short-duration emergency operation and cannot run continuously at full load for a long time. Prolonged overloaded operation will accelerate aging of core engine components and shorten the unit’s overall service life. In actual engineering applications, professional operators usually control the operating load within 80% of prime power to ensure long-term stable and efficient operation.
Q2: Why is brushless self-excited alternator more suitable for long-term industrial operation?
The YC6MJ600-D30 generator set adopts industrial-grade brushless self-excited alternator, which completely abandons the traditional carbon brush and slip ring friction structure. This design fundamentally eliminates frequent faults such as carbon brush wear, electric spark generation and regular replacement maintenance during long-term heavy-load operation, greatly reducing daily failure rate and maintenance workload. Matched with H-grade high-temperature resistant insulation and IP23 dustproof and rainproof protection grade, the alternator resists high-temperature aging and external environmental erosion effectively. The voltage regulation accuracy is controlled within ≤0.5%, avoiding voltage and frequency fluctuation and protecting precision electrical equipment and automated production lines from power quality damage. It is highly suitable for long-term unattended heavy-load operation in industrial workshops and outdoor harsh environments.
Q3: What kind of working environments can YC6MJ600-D30 diesel generator adapt to?
This Yuchai MJ-series heavy-duty industrial genset has passed strict extreme environment adaptation tests with excellent environmental tolerance. It achieves reliable cold start at -25℃ without auxiliary heating equipment, adapting to winter outdoor construction and industrial power supply in alpine cold regions. The unit maintains stable non-derating power output at an altitude of 1500 meters, and the turbocharged intercooled system automatically adjusts air intake and combustion status to adapt to plateau low-pressure working conditions. Supported by IP23 professional protection capability, it effectively resists outdoor dust, moisture and light rain erosion, supporting long-term open-air placement and unattended continuous operation for various complex industrial, municipal and field engineering scenarios.

