50HZ Yuchai YC4D80-D34 45kW/56kVA Diesel Generator Set

50HZ Yuchai   45kW/56kVA Diesel Generator Set

1. Full Technical Parameter Table

The following table lists the official factory parameters and universal industry standard configurations of the Yuchai YC4D80-D34 diesel generator set. All data is verified by professional bench tests and actual operating conditions, covering complete unit power indicators, diesel engine core parameters, alternator performance and conventional operating specifications. It can be directly used for equipment selection, project bidding, on-site installation, commissioning and daily operational maintenance guidance.

2. Product Features

The Yuchai YC4D80-D34 45kW/56kVA diesel generator set is a high-performance medium-power power generation equipment built on Yuchai classic 4D-T3 engine platform. As a hot-selling 56kVA diesel generator in the industrial and engineering market, this unit adopts original Yuchai turbocharged power configuration, with large market retention and mature and stable performance. It effectively solves the problems of insufficient power surge resistance, unstable voltage output and high failure rate of ordinary medium-power generator sets, and is widely recognized in standby power and temporary power supply fields.

In terms of power performance, the unit supports 45kW long-term continuous prime power operation and 49.5kW emergency standby power output. The reasonable power margin design enables the equipment to adapt to long-term full-load working conditions, and can stably cope with instantaneous startup impact of multiple mechanical devices and electrical loads without voltage drop or frequency drift. Equipped with high-quality brushless self-excited alternator and high-precision AVR automatic voltage regulator, the 50Hz fixed-frequency three-phase voltage output is always balanced and stable. Matched with H-grade ultra-high temperature resistant insulation materials, the alternator can avoid insulation aging and circuit breakdown caused by long-duration high-load operation, providing reliable power protection for precision instruments and industrial electrical equipment.

Low maintenance cost and strong environmental adaptability are the core advantages of this Yuchai 45kW standby diesel generator set. Different from traditional brushed generators that require regular carbon brush replacement and maintenance, the brushless self-excited structure eliminates wearable vulnerable parts, realizing long-term maintenance-free operation. It greatly reduces daily equipment maintenance workload and later operating costs, which is very suitable for unattended long-term standby power scenarios. The IP23 professional protection grade can effectively block outdoor dust, debris and splashing rainwater, adapting to open-air placement and harsh construction site working environments. The unit is equipped with two-stage fuel filter with alarm function, which effectively improves fuel filtration accuracy and ensures stable fuel supply for long-term operation.

In terms of fuel economy and operational reliability, the YC4D80-D34 turbocharged diesel engine adopts high-pressure common rail fuel injection technology and optimized ω-shaped combustion chamber design. The full-load fuel consumption is stably controlled at 14.8L/H, with sufficient fuel combustion and low waste, maintaining good energy-saving performance in long-term variable-load operation. The four-cylinder in-line water-cooled structure runs smoothly with low vibration, effectively reducing mechanical loss and extending the overall service life of the unit. The closed circulating water cooling system ensures continuous and efficient heat dissipation, and the unit will not overheat and shut down even in high-temperature summer working environments.

The whole machine adopts integrated compact base design with reasonable internal layout and small floor space, supporting fixed indoor installation and mobile trailer refitting. Whether it is long-term fixed emergency standby power for factories and communities, or short-term mobile temporary power for engineering construction, it can meet the demand perfectly. Complying with non-road National Stage III and European Stage IIIA emission standards, the unit has low exhaust pollution and meets environmental protection requirements of various regions. With Yuchai’s strict factory quality inspection and perfect after-sales service system, this 56kVA diesel generator has low failure rate and high cost performance, which is a cost-effective medium-power power generation equipment in the industry.

3. Application Scenarios

With stable power output, strong load adaptability, low operating failure rate and environmental compliance, the YC4D80-D34 Yuchai diesel generator set covers multiple mainstream scenarios such as industrial emergency standby power, engineering temporary power supply, outdoor field off-grid power generation and commercial civil backup power, and is widely used in various industries with medium-power stable power demand.

3.1 Industrial Production Emergency Standby Power

This 45kW diesel generator is widely used for backup power supply of small and medium-sized processing factories, mechanical workshops, food processing plants, constant-temperature cold storage and industrial supporting facilities. For industrial production equipment that cannot tolerate long-term power outage, the unit can start quickly and switch power supply seamlessly after municipal grid failure, effectively avoiding product scrapping, equipment shutdown loss and production progress delay caused by sudden power interruption, ensuring the continuous and stable operation of industrial production lines.

3.2 Construction & Municipal Engineering Temporary Power

It is the preferred temporary power supply equipment for urban road renovation, municipal pipeline construction, water conservancy projects, bridge engineering and indoor and outdoor decoration projects. The strong surge resistance and stable voltage output can fully meet the power demand of welding machines, cutting equipment, concrete vibrators, construction machinery and on-site construction lighting. The dust-proof and vibration-resistant body structure adapts to harsh construction site environments, and the flexible mobile installation mode supports frequent site transfer, effectively improving construction power supply efficiency and project progress.

3.3 Outdoor Field Operation Off-grid Power Supply

The unit is very suitable for field geological exploration, forest fire prevention inspection, outdoor emergency rescue, remote mountain area construction and agricultural plant protection operations. In remote areas without municipal grid coverage, it can be used as an independent mobile power station to provide long-term stable 380V three-phase power for field detection instruments, communication relay equipment and operational auxiliary facilities. The reliable DC24V electric start system ensures smooth startup in low-temperature and dry field environments, with strong environmental tolerance.

3.4 Commercial & Agricultural Civilian Backup Power

It is commonly applied in community property, commercial plazas, hotels, supermarkets, intelligent agricultural greenhouses and large-scale poultry and livestock breeding farms. It can provide stable emergency power guarantee for building lighting, monitoring systems, weak current equipment and agricultural constant-temperature breeding equipment during grid power failure or power limit periods, avoiding economic losses and equipment operation stagnation caused by power outages, and ensuring the normal operation of civilian and agricultural facilities.

4. Core Purposes

The core purpose of the Yuchai YC4D80-D34 45kW/56kVA diesel generator set is to provide stable emergency standby power and reliable off-grid mobile power supply for industrial, engineering, commercial and agricultural fields, solve power supply risks caused by municipal grid instability, sudden power failure and no grid coverage, and ensure the continuous, safe and efficient operation of various medium-power electrical equipment. It is a multi-functional environmental-friendly universal power generation equipment integrating emergency backup and temporary power generation.

Firstly, it undertakes critical industrial emergency power backup tasks. As a high-performance 56kVA standby diesel generator, it has sufficient standby power reserve and fast response speed. It can automatically start and complete power switching in a short time after sudden grid power failure, effectively avoiding industrial production shutdown losses and safety accidents caused by power interruption, and protecting the normal operation of factory production lines and industrial supporting equipment.

Secondly, it provides sustainable off-grid power support for remote and engineering scenarios. In field operations, mountain construction and unpowered remote areas, the unit acts as an independent mobile power generation system, outputting standard 50Hz frequency and stable three-phase voltage, fully meeting the professional power demand of engineering machinery, precision detection instruments and operational equipment, and solving the power supply bottleneck of off-grid construction and operation teams.

Thirdly, it balances power performance, environmental protection and long-term operating economy. With calibrated 14.8L/H full-load fuel consumption and Yuchai’s mature turbocharged energy-saving combustion technology, the unit maintains low comprehensive operating cost while ensuring strong power output. It complies with national and international environmental protection emission standards, with low exhaust emissions and wide application adaptability. 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 a classic upgraded medium-power generator set of Yuchai 4D series, it fills the market gap of high-cost-performance 45kW power generation equipment. It perfectly matches the power demand of small and medium-sized industrial enterprises, engineering construction teams, property communities and modern agricultural breeding users, and has become one of the most widely used and highly recognized general-purpose diesel generator sets in the medium-power market.

5. FAQ - Common Frequently Asked Questions

Q1: What is the actual fuel consumption of YC4D80-D34 generator set under different working loads?

A1: The official factory calibrated full-load (100% load) fuel consumption of this Yuchai 56kVA diesel generator set is 14.8L/H. In actual on-site operation, fuel consumption changes linearly with the working load. Under 50% light load, the fuel consumption is about 7.2-7.8L/H; under 75% conventional daily working load, the fuel consumption is controlled at 10.5-11.2L/H. Adopting high-pressure common rail fuel injection and optimized combustion technology, the fuel combustion is fully optimized with stable fuel consumption curve. There will be no sudden oil consumption surge during long-term operation, which can effectively control daily power generation costs for users with long-term standby and intermittent power generation needs.

Q2: What are the practical advantages of the brushless self-excited alternator equipped on this unit?

A2: This Yuchai 45kW diesel generator adopts professional brushless self-excited alternator, which has obvious practical advantages over traditional brushed alternators. Firstly, it cancels wearable carbon brush components, realizing truly maintenance-free daily operation, eliminating regular replacement and maintenance costs of carbon brushes, and reducing on-site equipment management pressure. Secondly, matched with intelligent AVR automatic voltage regulation technology, the voltage output is ultra-stable with negligible current fluctuation, which can well protect precision instruments, industrial control systems and electrical equipment from burnout damage. Thirdly, the fully enclosed structure cooperates with H-grade ultra-high temperature insulation and IP23 protection grade, with excellent dust-proof, rain-proof and high-temperature resistance, adapting to various complex and harsh working environments such as construction sites and field operation scenes.

Q3: How is the environmental adaptability and startup stability of the YC4D80-D34 generator set?

A3: This medium-power Yuchai generator set has excellent environmental adaptability and startup reliability. It adopts standard DC24V electric start system, which can achieve one-time successful startup in conventional low-temperature, dry and cold environments without manual auxiliary start. The applicable ambient temperature ranges from -15℃ to 45℃, covering most domestic seasonal temperature changes. The closed circulating water cooling system can effectively control the unit operating temperature, avoiding overheating shutdown during long-term full-load operation in high-temperature summer environments. Equipped with two-stage alarm fuel filter, it can adapt to poor fuel quality in construction sites and field environments. The IP23 protection grade resists daily dust erosion and splashing rainwater, supporting outdoor open-air placement and indoor fixed installation, with strong scene compatibility.