50HZ Yuchai YC4V55Z-D20 30kW/37.5kVA Diesel Generator Set

50HZ Yuchai   30kW/37.5kVA Diesel Generator Set

1. Complete Technical Parameter Table

The following table integrates the official standard parameters and universal industry configuration data of the Yuchai YC4V55Z-D20 diesel generator set. All indicators are based on factory test calibration, covering unit power parameters, diesel engine configuration, alternator performance and conventional operating parameters, which supports equipment selection, on-site installation, daily operation and routine maintenance reference.

2. Product Features

The Yuchai YC4V55Z-D20 30kW/37.5kVA diesel generator set is a hot-selling medium-power power generation device built on Yuchai mature four-cylinder turbocharged engine platform. As a mainstream 37.5kVA diesel generator widely used in engineering, civil and agricultural scenarios, this unit features sufficient actual power, stable operation and low failure rate, solving the common problems of insufficient power output and poor load adaptability of ordinary medium-sized generator sets on the market.

In terms of power performance, the unit is equipped with Yuchai original YC4V55Z-D20 turbocharged diesel engine, with 30kW continuous prime power and 33kW standby power reserve. The reasonable power margin ensures long-term full-load stable operation, and it can easily cope with instantaneous startup surge of mechanical equipment and electrical loads. Matched with brushless self-excited alternator and high-precision AVR automatic voltage regulation system, the 50Hz fixed-frequency output keeps three-phase voltage balanced without flicker or fluctuation. The H-grade insulation material greatly improves high-temperature aging resistance, effectively avoiding insulation damage and circuit faults caused by long-duration high-load operation.

Durability and easy maintenance are core advantages of this Yuchai 30kW diesel generator set. Different from traditional brushed generators, the brushless self-excited structure eliminates vulnerable carbon brush components, realizing long-term maintenance-free operation, which greatly reduces daily maintenance workload and later operating costs for users. The IP23 professional protection grade can effectively block dust, debris and splashing rainwater, adapting to outdoor open-air working conditions and harsh construction site environments. The integrated water-cooled heat dissipation system ensures continuous and stable heat dissipation without over-temperature shutdown even in high-temperature summer environments.

In terms of fuel economy and practicality, the unit adopts electronic fuel governor and optimized direct injection combustion technology. The full-load fuel consumption is stably controlled at 10.2L/H, achieving a good balance between power output and energy-saving performance. The four-cylinder in-line water-cooled structure runs smoothly with low vibration and low noise, bringing better on-site operation experience. The complete intelligent four-protection system can automatically alarm and shut down in case of low oil pressure, high water temperature, overload and short circuit, which maximizes equipment safety and avoids accidental damage and safety hazards.

Compact structure and strong universality make this 37.5kVA diesel generator highly adaptable to diverse usage needs. The whole machine adopts integrated base design with small floor space, supporting fixed installation for long-term standby power supply and mobile trailer refitting for temporary power use. Relying on Yuchai’s mature power technology and strict factory testing, the unit has stable quality, strong environmental adaptability and high cost performance, and is one of the most cost-effective medium-power diesel generator sets in the current market.

3. Application Scenarios

With stable power output, reliable quality and diverse adaptability, the YC4V55Z-D20 Yuchai diesel generator set covers emergency standby power, engineering temporary power, field off-grid power supply and agricultural breeding power guarantee, and is widely recognized in multiple industry scenarios.

3.1 Commercial & Civil Emergency Standby Power

This 30kW standby diesel generator is widely used in office buildings, shopping malls, community property, hotels, supermarkets and office parks. When municipal grid power failure, power limit or sudden outage occurs, the unit can start quickly and switch power supply seamlessly, providing stable power support for lighting systems, monitoring equipment, weak current systems and office facilities. It effectively avoids operational stagnation and economic losses caused by power outages, and is an essential emergency power guarantee equipment for urban commercial and residential supporting facilities.

3.2 Construction & Municipal Engineering Temporary Power

It is the preferred temporary power equipment for construction sites, road renovation, municipal greening, water conservancy projects and bridge engineering. The strong load capacity can meet the power demand of small welding machines, cutting equipment, concrete vibrators, on-site lighting and temporary living electricity for construction workers. Its dust-proof and vibration-resistant structure adapts to harsh construction site environments, and the mobile and portable design supports frequent site transfer, greatly improving construction power supply efficiency.

3.3 Outdoor Field Operation Off-grid Power Supply

The unit is very suitable for field geological exploration, forest fire prevention, outdoor rescue, remote area construction and plant protection drone charging operation. 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 equipment and operational facilities. The 24V electric start system ensures reliable startup in low-temperature and dry field environments.

3.4 Industrial & Agricultural Breeding Power Guarantee

It is widely applied in small processing factories, mechanical workshops, cold storage, poultry and livestock breeding farms and agricultural greenhouses. For production and breeding equipment that cannot tolerate long-term power outage, the unit can quickly take over power supply after grid failure, preventing product scrapping, equipment shutdown loss and livestock survival risks. Meanwhile, it can also be used as backup power for small power distribution rooms and communication auxiliary equipment to ensure continuous and stable operation of basic industrial and agricultural facilities.

4. Core Purposes

The core purpose of the Yuchai YC4V55Z-D20 30kW/37.5kVA diesel generator set is to provide stable emergency standby power and reliable off-grid mobile power supply for various industries, solve the power supply risks caused by municipal grid instability and no grid coverage, and ensure the continuous, safe and efficient operation of various electrical equipment. It is a universal medium-power power guarantee equipment integrating emergency backup and temporary power generation.

Firstly, it undertakes key emergency power backup functions. As a high-performance 30kW diesel generator, it has sufficient standby power reserve and fast response speed. It can automatically start and switch power supply after sudden grid power failure, effectively avoiding safety accidents and economic losses caused by power interruption, and protecting the normal operation of commercial, industrial and public service key equipment.

Secondly, it provides sustainable off-grid power support for remote and outdoor 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, detection instruments and operational equipment, and solving the power supply bottleneck of off-grid operation.

Thirdly, it balances power performance and operating economy. With calibrated 10.2L/H full-load fuel consumption and mature energy-saving combustion technology, the unit maintains low comprehensive operating cost while ensuring strong power output. The brushless maintenance-free design and high-standard protection structure reduce failure rate and later maintenance investment, realizing long-term stable and low-cost power generation operation.

Finally, as an upgraded medium-power generator set of Yuchai, it fills the market gap of high-cost-performance 37.5kVA power generation equipment. It perfectly matches the power demand of small and medium-sized enterprises, engineering teams, property communities and agricultural breeding users, and has become one of the most widely used general-purpose diesel generator sets in the medium-power market.

5. FAQ - Common Frequently Asked Questions

Q1: What is the actual fuel consumption of YC4V55Z-D20 generator set under different load conditions?

A1: The official full-load (100% load) fuel consumption of this Yuchai 37.5kVA diesel generator set is 10.2L/H. In actual daily use, fuel consumption changes linearly with the operating load. Under 50% light load, the fuel consumption is about 5.5-6.0L/H; under 75% conventional working load, the fuel consumption is about 7.8-8.5L/H. Benefiting from Yuchai’s electronic fuel regulation and optimized combustion matching technology, the fuel combustion is sufficient with no waste. The actual operating fuel consumption is stable, without sudden high fuel consumption, which can effectively control the daily power generation cost for users.

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

A2: This Yuchai 30kW diesel generator adopts brushless self-excited alternator, which has obvious practical advantages over traditional brushed generators. First, there are no wearable carbon brush parts, realizing maintenance-free daily operation, reducing frequent maintenance and replacement costs. Second, matched with AVR automatic voltage regulation, the voltage output is more stable with extremely low current fluctuation, which can well protect precision instruments and electrical equipment from damage. Third, the fully enclosed structure cooperates with H-grade insulation and IP23 protection grade, with stronger dust-proof, rain-proof and high-temperature resistance, adapting to various complex working environments such as construction sites and fields.

Q3: What is the environmental adaptability and startup performance of the YC4V55Z-D20 generator set?

A3: This medium-power Yuchai generator set has excellent environmental adaptability. It adopts standard DC24V electric start mode, which can start successfully at one time in conventional low-temperature and dry environments without manual auxiliary start. The applicable ambient temperature ranges from -15℃ to 45℃. The closed water cooling system can effectively control the unit temperature, avoiding overheating and shutdown during long-term full-load operation in high-temperature environments. The IP23 protection grade can resist daily dust erosion and splashing rainwater, supporting outdoor open-air placement and indoor fixed installation. It can operate stably in construction sites, field operation environments, urban commercial environments and agricultural breeding scenarios, with wide scene compatibility.