50HZ Yuchai YC6A205-D30 120kW/150kVA Diesel Generator Set

50HZ Yuchai 120kW/150kVA Diesel Generator Set
1. Complete Technical Parameter Table
The following table compiles official factory calibrated data, original Yuchai engine core specifications and universal industry standard parameters of the Yuchai YC6A205-D30 diesel generator set. All technical indicators are verified through professional bench testing and long-term field operation validation, covering generator set power performance, six-cylinder diesel engine structural parameters, pure copper alternator configuration and daily operating standards. This full parameter sheet is applicable for equipment selection, engineering bidding, on-site installation guidance, system commissioning and routine maintenance management for industrial production, municipal infrastructure, commercial standby power and field off-grid power supply projects.
Parameter Item | Technical Data |
Generator Set General Parameters | |
Generator Set Model | YC6A205-D30 Yuchai Diesel Generator Set |
Rated Frequency | 50Hz |
Prime Power (kW/kVA) | 120kW/150kVA |
Standby Power (kW/kVA) | 132kW/165kVA |
Rated Speed | 1500r/min |
Rated Voltage | 380V/400V Three-phase Four-wire |
Power Factor | 0.8 (Lagging) |
Full Load Fuel Consumption | 35.3L/H |
Starting Mode | DC24V Electric Start (Optional ATS Automatic Transfer Switch) |
Diesel Engine Parameters | |
Engine Brand | YUCHAI (Guangxi Yuchai Original Industrial Power) |
Engine Model | YC6A205-D30 |
Engine Structure | 6-cylinder In-line, Water-cooled, Four-stroke, Turbocharged & Intercooled |
Bore × Stroke | 110mm × 132mm |
Total Displacement | 7.26L |
Compression Ratio | 17.5:1 |
Fuel Supply System | Bosch High-pressure Common Rail Electronic Injection |
Engine Prime Power | 152kW/1500r/min |
Engine Standby Power | 167kW/1500r/min |
Cylinder Structure | Wet-type Cylinder Sleeve, Easy Maintenance |
Emission Standard | China Non-road Stage III |
Engine Oil Capacity | 22L |
Alternator Parameters | |
Excitation Type | Brushless, Self-excited |
Insulation Grade | H Grade |
Protection Grade | IP23 |
Voltage Regulation Mode | AVR Automatic Voltage Regulation |
Winding Material | 100% Pure Copper Wire |
Overall Unit Performance | |
Safety Protection Function | Low oil pressure, high water temperature, overload, short circuit, overspeed automatic alarm and shutdown |
Cooling Method | Closed Circulating Water Cooling |
Open-type Operating Noise | 80-90dB |
Applicable Working Environment | -15℃~45℃, altitude ≤1000m |
Optional Configuration | Silent Canopy, Mobile Trailer, Remote Monitoring System, Parallel Operation Cabinet, ATS Automatic Switch |
2. Product Features
The Yuchai YC6A205-D30 120kW/150kVA diesel generator set is a high-performance six-cylinder industrial power generation device built on Yuchai classic 6A series turbocharged engine platform. As a hot-selling 150kVA diesel generator in the medium and high-power power supply market, this unit adopts the original Yuchai YC6A205-D30 six-cylinder power core, matched with Bosch high-pressure common rail electronic fuel injection system and turbocharged intercooled air intake technology. Compared with four-cylinder generator sets of the same power level, it delivers stronger torque output, more sufficient power reserve and more stable continuous operation performance, effectively solving the common problems of insufficient surge resistance and easy power attenuation of conventional 120kW diesel generator sets under long-term high-load working conditions.
In terms of power supply stability, the unit supports 120kW long-term uninterrupted prime power operation and 132kW short-time emergency standby power output. With 152kW rated engine power reserve, it retains abundant power margin to cope with instantaneous startup impact of multiple high-power mechanical equipment and frequent load switching. Whether operating stably at rated load for 24 hours or undertaking sudden overload emergency power supply, the unit always maintains standard 50Hz frequency and three-phase 380V balanced voltage output without obvious fluctuation or drift. Matched with industrial-grade brushless self-excited pure copper alternator and high-precision AVR automatic voltage regulator, the current fluctuation rate is controlled within an ultra-low range. Equipped with H-grade ultra-high temperature resistant insulation materials, the alternator can effectively resist heat aging and insulation breakdown caused by long-duration high-load operation, providing reliable and safe power protection for industrial precision instruments and large engineering electrical devices.
Low maintenance difficulty and excellent environmental adaptability are the core practical advantages of this Yuchai 120kW standby diesel generator set. The brushless self-excited excitation design completely eliminates wearable carbon brush components, realizing long-term maintenance-free daily operation, greatly reducing on-site equipment inspection workload and later operational investment. The engine adopts high-strength alloy cast iron cylinder block and wet-type cylinder sleeve structure, which features compact structure, strong rigidity and convenient partial disassembly and maintenance, avoiding overall engine dismantling and lowering daily maintenance costs. The IP23 professional dustproof and rainproof protection grade can effectively block outdoor dust, debris and splashing rainwater, adapting to open-air placement and muddy, dusty harsh construction site environments, perfectly suitable for unattended industrial standby power and outdoor field off-grid power supply scenarios.
In terms of operational reliability and fuel economy, the YC6A205-D30 engine adopts optimized turbocharged intercooled air intake and precise electronic fuel injection combustion logic, making fuel combustion more sufficient and uniform. The full-load fuel consumption is stably controlled at 35.3L/H, with stable fuel-saving performance in variable-load working conditions, effectively controlling long-term power generation operating costs. Complying with China Non-road Stage III emission standards, the unit has low exhaust pollution and meets environmental assessment requirements of various industrial parks and urban construction zones. The six-cylinder in-line water-cooled structure runs smoothly with low vibration and mechanical wear, extending the whole machine service life. The closed circulating water cooling system ensures continuous and efficient heat dissipation, completely avoiding overheating shutdown failure even in high-temperature summer environments with 24-hour full-load continuous operation. Meanwhile, the comprehensive intelligent safety protection system can automatically alarm and shut down in case of low oil pressure, high water temperature, overload, short circuit and overspeed, effectively preventing equipment damage and operational safety accidents.
The whole machine adopts integrated compact base design with reasonable internal layout and small floor space, supporting fixed indoor installation and mobile trailer refitting. It can meet the dual application needs of long-term fixed emergency standby power for large industrial plants and short-term mobile temporary power for key municipal engineering projects. Backed by Yuchai’s mature industrial power manufacturing technology and nationwide after-sales service network, this 150kVA diesel generator has low failure rate, stable operation and high cost performance, becoming a preferred medium and high-power power generation equipment for industrial and engineering users.
3. Application Scenarios
Benefiting from strong high-load resistance, fast transient response, ultra-stable power output and diverse flexible installation forms, the YC6A205-D30 Yuchai diesel generator set is widely applied in large industrial emergency standby power, municipal key engineering temporary power supply, outdoor field off-grid power generation and large commercial public facility backup power, covering all mainstream medium and high-power power demand scenarios in the industry.
3.1 Large Industrial Production Emergency Standby Power
This 120kW six-cylinder diesel generator serves as the core emergency backup power equipment for large mechanical manufacturing bases, chemical industrial parks, food processing enterprises, pharmaceutical factories and large constant-temperature cold storage warehouses. For large-scale production lines and precision industrial equipment that cannot withstand sudden power outage, the unit can start quickly and complete seamless power switching after municipal grid failure. Its strong high-load impact resistance effectively avoids batch product scrapping, mechanical equipment burnout and production progress stagnation caused by power interruption, ensuring the continuous and stable operation of industrial production systems and reducing economic losses caused by grid power failure.
3.2 Municipal & Key Infrastructure Engineering
It is the mainstream temporary power supply equipment for urban road renovation, water conservancy hub projects, bridge engineering, municipal pipeline upgrading, airport auxiliary engineering and rural infrastructure expansion. Sufficient six-cylinder power reserve and fast load response speed can fully meet the simultaneous power consumption of multiple large welding machines, cutting equipment, engineering machinery and on-site full-coverage construction lighting. The dust-proof and vibration-resistant body structure adapts to harsh construction site environments, and the optional mobile trailer design supports frequent cross-site transfer, greatly improving engineering power supply efficiency and project construction progress.
3.3 Outdoor Field Off-grid Power Supply
The unit is perfectly applicable for large-scale field geological exploration, forest ecological protection, outdoor emergency rescue engineering, remote mountain infrastructure construction and field scientific research base operation. In remote areas without municipal grid coverage, it acts as an independent mobile power station to provide long-term stable 380V three-phase high-power power for field detection instruments, communication relay equipment and large operational auxiliary facilities. The reliable DC24V electric start system ensures smooth one-key startup in low-temperature, dry and high-altitude field environments with strong environmental tolerance.
3.4 Large Commercial & Public Service Facility Backup Power
It is widely equipped for emergency standby power of large business districts, high-star hotels, large supermarkets, scenic area supporting facilities, communication base stations and hospital auxiliary power systems. During municipal grid power failure, peak power limit or line maintenance periods, the unit provides stable power guarantee for building lighting, monitoring systems, weak current equipment and public service facilities, avoiding public service paralysis and economic losses caused by power outages, and ensuring the normal operation of urban key public facilities.
4. Core Purposes
The core purpose of the Yuchai YC6A205-D30 120kW/150kVA diesel generator set is to provide high-stability emergency standby power and high-reliability off-grid mobile medium and high-power power supply for large industrial production, key engineering construction and urban public service fields. It solves various power supply risks such as municipal grid instability, sudden power failure, peak power limitation and no grid coverage, and guarantees the continuous, safe and efficient operation of medium and large high-power electrical equipment. It is a high-performance universal power generation equipment integrating industrial standby power and engineering temporary power generation.
Firstly, it undertakes critical emergency power backup tasks for large industrial enterprises. As a high-performance 150kVA six-cylinder standby diesel generator, it has abundant power reserve and ultra-fast transient response capability. It can automatically start and complete power switching in a short time after sudden grid power failure, effectively avoiding large-area industrial production shutdown losses and mechanical equipment safety accidents caused by power interruption, and protecting the stable operation of large factory production lines and precision industrial systems.
Secondly, it provides sustainable high-power off-grid power support for key engineering and remote field scenarios. Relying on six-cylinder turbocharged intercooled power core, the unit operates stably under long-term high-load conditions, outputting standard 50Hz frequency and stable three-phase voltage. It fully meets the simultaneous high-load power demand of multiple large engineering mechanical equipment, solving the long-term power supply bottleneck of large-scale off-grid construction and field operation teams.
Thirdly, it balances high-power performance and long-term operational economy. With calibrated 35.3L/H full-load fuel consumption and Yuchai’s mature energy-saving combustion technology, the unit maintains controllable comprehensive operating costs while delivering strong high-load power output. The brushless maintenance-free design and IP23 high-standard protection structure greatly reduce equipment failure rate and later maintenance investment, realizing long-term stable and low-cost high-intensity power generation operation.
Finally, as a classic high-power model of Yuchai 6A series generator sets, it fills the market gap of high-reliability 120kW industrial power generation equipment. It perfectly matches the power demand of large industrial enterprises, key engineering construction teams and urban public property management units, and has become one of the most cost-effective and widely recognized medium and high-power diesel generator sets in the industry market.
5. FAQ - Common Frequently Asked Questions
Q1: What is the actual fuel consumption of YC6A205-D30 generator set under different working loads?
A1: The official factory calibrated full-load (100% load) fuel consumption of this Yuchai 150kVA diesel generator set is 35.3L/H. In actual on-site operation, fuel consumption changes linearly with the working load. Under 50% light load, the fuel consumption is about 17.2-18.0L/H; under 75% conventional daily working load, the fuel consumption is controlled at 26.5-27.3L/H. Adopting Bosch high-pressure common rail precise fuel injection and turbocharged intercooled combustion technology, fuel burns fully and evenly with a stable fuel consumption curve. There will be no sudden fuel surge during long-term continuous high-load operation, helping industrial and engineering users accurately control daily power generation operating costs.
Q2: What are the core advantages of YC6A205-D30 six-cylinder generator compared with four-cylinder 120kW generators?
A2: The Yuchai YC6A205-D30 six-cylinder diesel generator has obvious comprehensive advantages over traditional four-cylinder generator sets with the same 120kW/150kVA power level. Firstly, the six-cylinder in-line structure delivers stronger torque output and more sufficient power reserve, with better load impact resistance, and can cope with long-term high-load continuous operation and frequent load changes more stably. Secondly, the operation is smoother with lower vibration and noise, reducing mechanical wear and extending the service life of the whole machine. Thirdly, the wet-type cylinder sleeve design supports partial disassembly and maintenance, which is more convenient and cost-effective for daily after-sales maintenance compared with integrated four-cylinder engines. In addition, it features higher structural rigidity and stronger durability, adapting to more complex and harsh working environments.
Q3: How is the startup reliability and environmental adaptability of the YC6A205-D30 generator set?
A3: This six-cylinder medium and high-power Yuchai generator set has excellent startup stability and environmental tolerance. It adopts standard DC24V electric start system with optional ATS automatic start function, supporting one-key quick startup in low-temperature, dry and high-altitude environments without manual auxiliary operation. The applicable ambient temperature ranges from -15℃ to 45℃, adapting to seasonal temperature changes in most domestic regions. The closed circulating water cooling system ensures efficient and continuous heat dissipation, avoiding overheating shutdown during 24-hour continuous full-load operation in high-temperature summer environments. The IP23 professional protection grade resists daily dust erosion and splashing rainwater, supporting outdoor open-air placement and indoor fixed installation, with strong universal compatibility for industrial production, engineering construction, field operation and public facility scenarios.

