50HZ Yuchai YC4A165-D30 90kW/112.5kVA Diesel Generator Set

50HZ Yuchai  90kW/112.5kVA Diesel Generator Set

1. Full Technical Parameter Table

The following table integrates official factory calibration data, original Yuchai engine core parameters and industry-standard universal configurations of the YC4A165-D30 diesel generator set. All indicators are verified through bench testing and long-term field operation, covering complete generator set power performance, diesel engine specifications, alternator configuration and daily operating standards. This standardized parameter sheet is widely applicable for equipment selection, project bidding, on-site installation guidance, commissioning and routine maintenance for industrial, engineering and commercial power supply projects.

2. Product Features

The Yuchai YC4A165-D30 90kW/112.5kVA diesel generator set is an upgraded industrial-grade power generation equipment built on Yuchai mature 4A-T3 turbocharged intercooled engine platform. As a hot-selling 112.5kVA diesel generator in the medium-high power market, this unit adopts original Yuchai YC4A165-D30 power core with Bosch electronic common rail fuel injection system, fully meeting G3-grade power quality standards for generator sets. It features ultra-sufficient power reserve, excellent transient load response and durable continuous operation performance, perfectly solving the problems of weak surge resistance and unstable power supply of ordinary 90kW diesel generator sets under long-term high-load operation.

In terms of power supply stability, the unit supports 90kW long-term uninterrupted prime power operation and 100kW emergency standby power output. With 110kW rated engine power reserve, it provides abundant power margin for instantaneous startup of multiple high-power equipment and frequent load switching. Even during 24-hour continuous full-load operation, there is no obvious voltage drop or frequency drift, always maintaining standard 50Hz three-phase balanced voltage output. Matched with industrial brushless self-excited alternator and high-precision AVR automatic voltage regulator, the current fluctuation rate is controlled within an ultra-low range. Equipped with H-grade high-temperature resistant insulation structure, the alternator can effectively resist insulation aging and breakdown caused by long-duration heat accumulation, ensuring stable and safe power supply for industrial precision instruments and large engineering mechanical equipment.

Low maintenance cost and strong environmental adaptability are the core practical advantages of this Yuchai 90kW standby diesel generator set. Different from traditional brushed generators that require regular carbon brush replacement and daily maintenance, the brushless self-excited design eliminates all wearable vulnerable parts, realizing long-term maintenance-free operation. It greatly reduces on-site equipment management pressure and later operational investment, making it highly suitable for unattended factory standby power and outdoor long-term off-grid power supply scenarios. The IP23 professional dustproof and rainproof protection grade can block outdoor dust, debris and splashing rainwater, adapting to open-air placement and harsh construction site environments. The wet-type cylinder sleeve structure adopted by the engine is convenient for daily inspection and partial maintenance, avoiding overall disassembly and reducing maintenance difficulty.

In terms of operational reliability and fuel economy, the YC4A165-D30 engine adopts optimized turbocharged intercooled air intake technology and ω-type reentrant direct injection combustion design, making fuel combustion more sufficient and uniform. The full-load fuel consumption is stably controlled at 28.3L/H, with stable fuel-saving performance in variable-load working conditions, effectively controlling daily 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 operation. Equipped with a full-flow oil cooler and closed circulating water cooling system, the unit achieves efficient and continuous heat dissipation, completely avoiding overheating shutdown faults in high-temperature summer environments. 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, fully 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 medium and large industrial plants and short-term mobile temporary power for municipal key projects. 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. Backed by Yuchai’s strict factory quality control and nationwide after-sales service network, this 112.5kVA diesel generator has low failure rate, stable operation and high cost performance, which is a reliable choice for medium-high power demand scenarios.

3. Application Scenarios

Benefiting from strong high-load resistance, fast transient response, stable power output and flexible installation forms, the YC4A165-D30 Yuchai diesel generator set is widely applied in industrial emergency standby power, municipal key engineering temporary power supply, outdoor field off-grid power generation and public facility backup power, covering all mainstream medium-high power application fields.

3.1 Medium & Large Industrial Standby Power Supply

This 90kW diesel generator is the preferred backup power equipment for mechanical manufacturing factories, chemical auxiliary workshops, food processing enterprises, pharmaceutical factories and constant-temperature cold storage plants. 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 batch product scrapping, 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

It serves as the core temporary power supply equipment for urban road renovation, water conservancy hub projects, bridge engineering, municipal pipeline upgrading and rural infrastructure construction. Sufficient power reserve and fast load response speed can fully meet the simultaneous power consumption of multiple welding equipment, cutting machines, engineering machinery and on-site construction lighting. The vibration-resistant and dust-proof body structure adapts to muddy and dusty harsh construction environments, and the optional mobile trailer design supports frequent site transfer, greatly improving engineering construction efficiency.

3.3 Outdoor Field Off-grid Power Generation

The unit is perfectly suitable for field geological exploration, forest ecological protection, outdoor emergency rescue, remote mountain road 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 operational auxiliary facilities. The reliable DC24V electric start system ensures smooth one-key startup in low-temperature, dry and high-altitude environments with strong environmental tolerance.

3.4 Commercial & Public Service Facility Backup Power

It is widely configured for emergency standby power of large commercial plazas, high-star hotels, urban community clusters, scenic area supporting facilities, communication base stations and hospital auxiliary power systems. During municipal grid power failure, peak power limitation 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.

4. Core Purposes

The core purpose of the Yuchai YC4A165-D30 90kW/112.5kVA diesel generator set is to provide high-stability emergency standby power and high-reliability off-grid mobile high-power power supply for industrial production, key engineering construction and urban public service fields. It effectively solves common power supply risks such as municipal grid instability, sudden power failure and no grid coverage, and guarantees the safe, continuous and efficient operation of medium-high power electrical equipment. It is a multi-functional universal power generation equipment integrating industrial standby power and engineering temporary power generation.

Firstly, it undertakes critical emergency power backup tasks for industrial enterprises. As a high-performance 112.5kVA 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 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 28.3L/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 classic model of Yuchai 4A-T3 series generator sets, it fills the market gap of high-reliability 90kW industrial power generation equipment. It perfectly matches the power demand of medium and 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-high power diesel generator sets in the industry.

5. FAQ - Common Frequently Asked Questions

Q1: What is the actual fuel consumption of YC4A165-D30 generator set under different working loads?

A1: The official factory calibrated full-load (100% load) fuel consumption of this Yuchai 112.5kVA diesel generator set is 28.3L/H. In actual on-site operation, fuel consumption changes linearly with the working load. Under 50% light load, the fuel consumption is about 13.8-14.5L/H; under 75% conventional daily working load, the fuel consumption is controlled at 21.0-21.8L/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 practical advantages of the brushless self-excited alternator on this 90kW generator?

A2: This Yuchai 90kW diesel generator is equipped with industrial-grade brushless self-excited alternator, which has obvious practical advantages over traditional brushed alternators for medium-high load working conditions. Firstly, it completely cancels wearable carbon brush components, realizing long-term maintenance-free operation, eliminating regular replacement and maintenance costs, and reducing on-site unattended management pressure. Secondly, matched with intelligent AVR automatic voltage regulation technology, the voltage output is ultra-stable with negligible fluctuation, which can effectively protect industrial precision instruments and large mechanical equipment from burnout caused by unstable voltage. Thirdly, with H-grade ultra-high temperature insulation and IP23 dustproof and rainproof protection grade, the alternator adapts to high-temperature, dusty and humid harsh working environments, with strong durability and long service life.

Q3: How is the startup reliability and environmental adaptability of the YC4A165-D30 generator set?

A3: This medium-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 upgraded full-flow oil cooler and closed circulating water cooling system ensure efficient 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, engineering and public facility scenarios.