50HZ Yuchai YC4A180L-D20 100kW/125kVA Diesel Generator Set

 50HZ Yuchai  100kW/125kVA Diesel Generator Set

1. Complete Technical Parameter Table

The following table summarizes official factory calibrated data, original Yuchai engine core specifications and universal industry parameters of the Yuchai YC4A180L-D20 diesel generator set. All technical indicators are verified through professional bench testing and long-term field operation validation, covering generator set power performance, diesel engine configuration, alternator parameters and daily operating standards. This full parameter sheet is applicable for equipment selection, engineering bidding, on-site installation guidance, commissioning and daily operational maintenance management for industrial, engineering and commercial power supply projects.

2. Product Features

The Yuchai YC4A180L-D20 100kW/125kVA diesel generator set is a high-power industrial-grade power generation device built on Yuchai mature 4A series turbocharged engine platform. As a hot-selling 125kVA diesel generator in the medium and high-power power supply market, this unit adopts original Yuchai YC4A180L-D20 industrial power core with turbocharged intercooled technology and ω-type reentrant direct injection combustion structure. It delivers sufficient power reserve, excellent load impact resistance and stable continuous operation performance, solving the common problems of insufficient power margin and unstable voltage output of ordinary 100kW diesel generator sets under long-term high-load working conditions.

In terms of power supply stability, the unit supports 100kW long-term uninterrupted prime power operation and 110kW emergency standby power output. With 120kW rated engine power reserve, it retains abundant power surplus to cope with instantaneous startup surge of multiple high-power mechanical devices and frequent load fluctuations. Whether operating continuously at rated load or undertaking short-term emergency overload power supply, the unit always maintains standard 50Hz frequency and three-phase balanced voltage output without obvious drift or drop. Matched with industrial brushless self-excited alternator and high-precision AVR automatic voltage regulator, the current fluctuation rate is extremely low. Equipped with H-grade ultra-high temperature resistant insulation materials, the alternator effectively avoids insulation aging and circuit breakdown caused by long-duration heat accumulation, providing reliable power protection for industrial precision equipment and large engineering electrical devices.

Low maintenance pressure and strong environmental adaptability are the core practical advantages of this Yuchai 100kW standby diesel generator set. Different from traditional brushed generators that require regular carbon brush replacement and routine inspection maintenance, the brushless self-excited structure eliminates all wearable vulnerable parts, realizing long-term maintenance-free daily operation. It greatly reduces on-site equipment management workload and later operational investment, making it ideal for unattended industrial standby power and outdoor long-term off-grid power supply scenarios. 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 construction site environments. The engine adopts wet-type cylinder sleeve structure, which supports partial disassembly and maintenance without overall engine dismantling, greatly reducing daily maintenance difficulty and cost.

In terms of operational reliability and fuel economy, the YC4A180L-D20 engine adopts optimized turbocharged intercooled air intake technology and precise direct injection combustion logic, making fuel combustion more sufficient and uniform. The full-load fuel consumption is stably controlled at 29.9L/H, maintaining stable fuel-saving performance during variable-load operation and effectively controlling long-term power generation costs. The four-cylinder in-line water-cooled structure runs smoothly with low vibration and low noise, reducing mechanical wear during high-intensity continuous operation. 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 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. Complying with China Non-road Stage II emission standards, the unit has low exhaust pollution and meets environmental protection requirements of most industrial parks and urban construction zones. Backed by Yuchai’s strict factory quality inspection and nationwide after-sales service network, this 125kVA 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

With excellent high-load resistance, fast transient response, stable power output and diverse flexible installation forms, the YC4A180L-D20 Yuchai diesel generator set is widely used 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.

3.1 Large Industrial Production Emergency Standby Power

This 100kW diesel generator serves as the core backup power equipment for large mechanical manufacturing bases, chemical auxiliary workshops, food processing enterprises, pharmaceutical factories and large constant-temperature 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.

3.2 Municipal & Key Infrastructure Engineering Temporary Power

It is the mainstream temporary power supply equipment for municipal key projects, highway and bridge construction, water conservancy hub engineering, urban renovation and rural infrastructure expansion. Sufficient 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 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 YC4A180L-D20 100kW/125kVA diesel generator set is to provide high-stability emergency standby power and high-reliability off-grid mobile 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 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 and engineering temporary power generation.

Firstly, it undertakes critical emergency power backup tasks for large industrial enterprises. As a high-performance 125kVA 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. In large-scale municipal 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 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 29.9L/H full-load fuel consumption and Yuchai’s mature turbocharged intercooled 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 an upgraded high-power model of Yuchai 4A series generator sets, it fills the market gap of high-reliability 100kW 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 YC4A180L-D20 generator set under different working loads?

A1: The official factory calibrated full-load (100% load) fuel consumption of this Yuchai 125kVA diesel generator set is 29.9L/H. In actual on-site operation, fuel consumption changes linearly with the working load. Under 50% light load, the fuel consumption is about 14.5-15.2L/H; under 75% conventional daily working load, the fuel consumption is controlled at 22.3-23.1L/H. Adopting turbocharged intercooled air intake and ω-type direct injection 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: Why is the brushless self-excited alternator more suitable for this 100kW high-power generator?

A2: This Yuchai 100kW diesel generator adopts industrial-grade brushless self-excited alternator, which is more adaptable to medium and high-load long-term working conditions than traditional brushed alternators. Firstly, it eliminates wearable carbon brush components, realizing true long-term maintenance-free operation, saving regular replacement and maintenance costs, and reducing on-site unattended equipment management pressure. Secondly, matched with intelligent AVR automatic voltage regulation technology, the voltage fluctuation rate is extremely low, outputting ultra-stable current, which can effectively protect large industrial equipment and precision instruments from burnout caused by unstable voltage. Thirdly, equipped with H-grade ultra-high temperature insulation and IP23 dustproof and rainproof protection grade, the alternator adapts to high-temperature, dusty and humid harsh environments, with strong environmental adaptability and long service life.

Q3: How is the startup reliability and environmental adaptability of the YC4A180L-D20 generator set?

A3: This medium and high-power Yuchai generator set has excellent startup reliability 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 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.