50HZ Yuchai YC4D105-D34 60kW/75kVA Diesel Generator Set

50HZ Yuchai 60kW/75kVA Diesel Generator Set
1. Full Technical Parameter Table
The following table compiles official factory calibrated data and universal industry standard configurations of the Yuchai YC4D105-D34 diesel generator set. All technical indicators are verified through bench testing and long-term field operation, covering complete generator set performance, original diesel engine core parameters, alternator configuration and daily operating specifications. This standardized parameter sheet supports equipment selection, project bidding, on-site installation, commissioning and routine maintenance for industrial, engineering and commercial users.
Parameter Item | Technical Data |
Generator Set General Parameters | |
Generator Set Model | YC4D105-D34 Yuchai Diesel Generator Set |
Rated Frequency | 50Hz |
Prime Power (kW/kVA) | 60kW/75kVA |
Standby Power (kW/kVA) | 66kW/82.5kVA |
Rated Speed | 1500r/min |
Rated Voltage | 380V/400V Three-phase Four-wire |
Power Factor | 0.8 (Lagging) |
Full Load Fuel Consumption | 19.6L/H |
Starting Mode | DC24V Electric Start |
Diesel Engine Parameters | |
Engine Brand | YUCHAI (Guangxi Yuchai Original Power) |
Engine Model | YC4D105-D34 |
Engine Structure | 4-cylinder In-line, Water-cooled, Four-stroke, Turbocharged Direct Injection |
Bore × Stroke | 108mm × 115mm |
Displacement | 4.214L |
Compression Ratio | 16.7:1 |
Cylinder Structure | Wet-type Cylinder Sleeve |
Fuel System | High-pressure Common Rail Electronic Injection |
Governor Type | Electronic Intelligent Governing |
Emission Standard | China Non-road Stage III |
Firing Order | 1-3-4-2 |
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 | 76-88dB |
Applicable Working Condition | -15℃~45℃, altitude ≤1000m |
Optional Configuration | ATS Automatic Transfer Switch, Silent Canopy, Mobile Trailer |
2. Product Features
The Yuchai YC4D105-D34 60kW/75kVA diesel generator set is a high-performance medium-large power generation equipment built on Yuchai mature 4D-T3 industrial engine platform. As a popular 75kVA diesel generator widely adopted in industrial production and large-scale engineering projects, this unit is equipped with original YC4D105-D34 turbocharged diesel engine, featuring reinforced mechanical structure and upgraded fuel injection system. It delivers stable power output, strong load impact resistance and long-duration continuous operation capability, solving the problems of insufficient power reserve and poor stability of ordinary 60kW diesel generator sets under high-load and complex working conditions.
In terms of power supply performance, the unit supports 60kW long-term stable prime power operation and 66kW emergency standby power output. The professional power margin design allows the equipment to withstand instantaneous startup surge of multiple high-power mechanical devices and frequent load fluctuations without obvious voltage drop or frequency drift. Matched with high-quality brushless self-excited alternator and high-precision AVR automatic voltage regulator, the unit outputs standard 50Hz three-phase balanced voltage all the time. Adopting H-grade ultra-high temperature resistant insulation materials, the alternator effectively resists heat aging and insulation breakdown caused by long-term high-load operation, providing safe and stable power guarantee for industrial precision instruments, production line equipment and engineering electrical facilities.
Low maintenance pressure and excellent environmental adaptability are the core practical advantages of this Yuchai 60kW standby diesel generator set. Different from traditional brushed generators that require regular carbon brush inspection and replacement, the brushless self-excited structure completely cancels wearable vulnerable parts, realizing long-term maintenance-free daily operation. It greatly reduces on-site equipment maintenance workload and later operational costs, making it very suitable for unattended factory standby power and long-term outdoor power supply scenarios. The IP23 professional protection grade can effectively block outdoor dust, debris and splashing rainwater, adapting to open-air placement and harsh construction site environments. The reinforced cylinder block and crankshaft structure enhances the unit’s vibration resistance and overall structural stability, ensuring reliable operation in high-intensity working scenarios for years.
In terms of fuel economy and operational reliability, the YC4D105-D34 engine adopts high-pressure common rail electronic fuel injection technology and optimized ω-type direct injection combustion chamber design. With full-load fuel consumption stably controlled at 19.6L/H, the fuel burns fully and evenly, maintaining stable fuel-saving performance during long-term variable-load operation. The four-cylinder in-line water-cooled structure runs smoothly with low vibration, reducing mechanical loss during operation. The closed circulating water cooling system ensures continuous and efficient heat dissipation, avoiding overheating shutdown failure even in high-temperature summer environments with continuous full-load operation. Meanwhile, the complete 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 protecting the unit and improving operational safety.
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 needs of long-term fixed emergency standby power for industrial plants and short-term mobile temporary power for large-scale engineering construction. Complying with non-road National Stage III emission standards, the unit has low exhaust pollution and meets environmental protection requirements of various industrial parks and construction zones. Backed by Yuchai’s strict factory quality inspection and nationwide after-sales service network, this 75kVA diesel generator has low failure rate, strong versatility and high cost performance, standing out among similar medium-large power generation equipment.
3. Application Scenarios
With strong high-load resistance, fast transient response, stable power output and diverse installation forms, the YC4D105-D34 Yuchai diesel generator set covers multiple core scenarios including industrial emergency standby power, large engineering temporary power supply, outdoor field off-grid power generation and commercial public facility backup power, fully adapting to various complex working environments with medium and high power demand.
3.1 Industrial Production Emergency Standby Power
This 60kW diesel generator is the preferred backup power equipment for medium-sized processing factories, mechanical manufacturing workshops, food processing plants, constant-temperature cold storage and industrial supporting facilities. For industrial production lines and precision processing equipment that cannot tolerate sudden power outage, the unit can start quickly and complete seamless power switching after municipal grid failure. Its excellent load impact resistance effectively avoids product scrapping, equipment shutdown damage and production progress delay caused by power interruption, ensuring the continuous and stable operation of industrial production systems.
3.2 Large Construction & Municipal Engineering Temporary Power
It is widely used for temporary power supply of large-scale road reconstruction, municipal pipeline renovation, water conservancy hub projects, bridge engineering and infrastructure construction. Sufficient power reserve and fast load response speed can fully meet the simultaneous power consumption of multiple welding machines, cutting equipment, engineering machinery and on-site large-area construction lighting. The dust-proof and vibration-resistant body structure adapts to harsh construction site environments, and the flexible mobile design supports frequent site transfer, greatly improving construction power supply efficiency and project construction progress.
3.3 Outdoor Field Operation Off-grid Power Supply
The unit is perfectly applicable for field geological exploration, large-scale forest fire prevention, outdoor emergency rescue engineering, remote mountain road construction and field scientific research operations. In remote areas without municipal grid coverage, it serves 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 operational auxiliary facilities. The reliable DC24V electric start system ensures smooth one-key startup in low-temperature and dry field environments with strong environmental tolerance.
3.4 Commercial & Public Facility Backup Power
It is commonly equipped for emergency standby power of large community clusters, commercial plazas, hotels, supermarkets, scenic area supporting facilities and communication base stations. 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 operational stagnation and public service paralysis caused by power outages, and ensuring the normal operation of urban public and commercial supporting facilities.
4. Core Purposes
The core purpose of the Yuchai YC4D105-D34 60kW/75kVA diesel generator set is to provide high-stability emergency standby power and high-reliability off-grid mobile power supply for industrial production, engineering construction and public service fields. It effectively solves various power supply risks such as municipal grid instability, sudden power failure and no grid coverage, and guarantees the continuous, safe and efficient operation of medium and high-power electrical equipment. It is a multi-functional universal power generation equipment integrating industrial standby and engineering temporary power generation.
Firstly, it undertakes key industrial emergency power backup tasks. As a high-performance 75kVA standby diesel generator, it has sufficient standby power reserve and fast transient response capability. It can automatically start and switch power supply in a short time after sudden grid power failure, effectively avoiding large-area industrial production shutdown losses and equipment safety accidents caused by power interruption, and protecting the stable operation of factory production lines and precision industrial equipment.
Secondly, it provides sustainable high-power off-grid power support for engineering and remote scenarios. In large-scale engineering construction and unpowered remote areas, the unit operates as an independent mobile power generation system, outputting standard 50Hz frequency and stable three-phase high-power voltage. It fully meets the simultaneous power demand of multiple engineering mechanical equipment, solving the power supply bottleneck of large-scale off-grid construction and field operation teams.
Thirdly, it balances strong power performance and long-term operational economy. With calibrated 19.6L/H full-load fuel consumption and Yuchai’s mature turbocharged 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 reduce equipment failure rate and later maintenance investment, realizing long-term stable and low-cost power generation operation.
Finally, as an upgraded classic model of Yuchai 4D series medium-large power generator sets, it fills the market gap of high-reliability 60kW industrial power generation equipment. It perfectly matches the power demand of medium-sized industrial enterprises, large engineering construction teams and public property management units, and has become one of the most cost-effective and widely recognized general-purpose diesel generator sets in the medium-large power market.
5. FAQ - Common Frequently Asked Questions
Q1: What is the actual fuel consumption of YC4D105-D34 generator set under different working loads?
A1: The official factory calibrated full-load (100% load) fuel consumption of this Yuchai 75kVA diesel generator set is 19.6L/H. In actual on-site operation, fuel consumption changes linearly with the working load. Under 50% light load, the fuel consumption is about 9.2-9.8L/H; under 75% conventional daily working load, the fuel consumption is controlled at 14.5-15.2L/H. Adopting high-pressure common rail fuel injection and optimized turbocharged combustion technology, the fuel burns fully and evenly with a stable fuel consumption curve. There will be no sudden fuel surge during long-term continuous operation, which helps users effectively control daily power generation costs for industrial standby and engineering temporary power supply.
Q2: What are the practical advantages of the brushless self-excited alternator equipped on this unit?
A2: This Yuchai 60kW diesel generator adopts industrial-grade brushless self-excited alternator, which has obvious practical advantages over traditional brushed alternators. Firstly, it eliminates wearable carbon brush components, realizing true maintenance-free daily operation, removing regular carbon brush replacement and routine maintenance costs, and greatly reducing on-site equipment management pressure. Secondly, matched with intelligent AVR automatic voltage regulation technology, the voltage output is ultra-stable with almost no current fluctuation, which can effectively protect industrial production equipment, precision instruments and electrical devices from burnout damage caused by unstable voltage. Thirdly, the fully enclosed structure paired with H-grade ultra-high temperature insulation and IP23 protection grade delivers excellent dust-proof, rain-proof and high-temperature resistance, adapting to various complex and harsh industrial workshops and construction site working environments.
Q3: How is the environmental adaptability and startup stability of the YC4D105-D34 generator set?
A3: This medium-large power Yuchai generator set features excellent environmental adaptability and ultra-high startup reliability. It adopts standard DC24V electric start system, enabling one-time successful startup in conventional low-temperature, dry and cold 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 effectively controls operating temperature, avoiding overheating shutdown during long-term full-load operation in high-temperature summer environments. The IP23 protection grade resists daily dust erosion and splashing rainwater, supporting outdoor open-air placement and indoor fixed installation. It runs stably in industrial production, engineering construction, field operation and public facility scenarios with strong universal compatibility.

