50Hz SDEC Engine 4HTAA4.3-G23 90kW 112kVA Diesel Generator Set

50Hz SDEC 90kW 112kVA  Diesel Generator Set

1. Product Overview

The 50Hz 90kW 112kVA SDEC Engine 4HTAA4.3-G23 Diesel Generator Set is a high-torque turbocharged heavy-duty genset built on SDEC mature H-series industrial engine platform. Specially optimized for full-load continuous power generation and high-standard emergency backup power scenarios, this 112kVA diesel generator delivers a steady prime power output of 90kW and a maximum standby power of 96kW/120kVA, perfectly matching the high-power demand of large industrial production lines, municipal key infrastructure, commercial park clusters and long-term field heavy-load operations. With a verified 100% full-load fuel consumption of 28.3L/h, this SDEC diesel generator adopts turbocharged intercooled fuel injection technology, balancing powerful heavy-load performance and stable operational economy for long-hour uninterrupted working cycles.

Powered by genuine SDEC 4HTAA4.3-G23 generator-dedicated engine, the unit features a 4.3L large-displacement four-cylinder inline structure and professional turbocharged aspiration design, retaining the high-torque reserve advantage of SDEC H-series G-drive engines. Compared with conventional naturally aspirated gensets of the same power grade, it boasts faster load response, stronger instantaneous overload capacity and no power attenuation under prolonged full-load operation. Equipped with a premium industrial brushless self-excited alternator, the genset adopts top H-grade insulation material and standard IP23 dustproof and splash-proof protection grade, delivering excellent environmental adaptability in dusty industrial workshops, humid field bases and open-air construction sites. Operating at standard 50Hz industrial frequency and 400V three-phase four-wire output, this 90kW prime power diesel generator fully complies with international IEC power supply standards and non-road emission regulations, serving as a core reliable power solution for off-grid independent power generation, grid failure emergency backup and industrial peak load regulation.

Every finished 4HTAA4.3-G23 genset undergoes strict factory full-load aging testing, voltage and frequency calibration, insulation performance inspection and fuel consumption verification before delivery. Adopting reinforced mechanical structure and optimized cooling and lubrication system, this turbocharged diesel generator effectively reduces operational failure risks and extends service life, supporting 24-hour unattended heavy-load operation. It is a hot-selling high-power medium-sized genset widely adopted by industrial manufacturers, engineering contractors and infrastructure project operators for high-demand power guarantee projects.

2. Technical Parameter

3. Core Product Features

This 50Hz 90kW 112kVA SDEC 4HTAA4.3-G23 Diesel Generator Set is a high-torque heavy-duty genset tailored for full-load and ultra-long-hour power generation scenarios. As a high-performance 112kVA diesel generator, it upgrades turbocharged intercooled power system and industrial-grade durability design, effectively solving common problems of medium-high power gensets such as insufficient torque reserve, slow load response and unstable operation under continuous heavy load. It balances powerful output, low maintenance cost and strong environmental adaptability, making it a cost-effective and reliable power generation solution for industrial and engineering high-power demand scenarios.

3.1 Turbocharged 4HTAA4.3-G23 Engine with Abundant Torque Reserve

Equipped with authentic SDEC 4HTAA4.3-G23 turbocharged intercooled G-drive engine, the unit inherits the high-reliability genes of SDEC H-series industrial power equipment. The 4.3L large-displacement four-cylinder inline structure and dry liner cylinder design greatly enhance structural rigidity and high-temperature resistance. The professional turbocharging system optimizes air intake efficiency and fuel combustion adequacy, bringing ultra-high torque reserve to support long-term 100% full-load continuous operation. Different from ordinary naturally aspirated gensets, it can quickly respond to instantaneous load surges without stalling or power attenuation. Calibrated with 28.3L/h full-load fuel consumption, the engine maintains stable combustion state during long-hour heavy-duty operation, with excellent anti-fatigue performance and durable service life, fully adapting to industrial continuous power generation working conditions.

3.2 Brushless Self-Excited Alternator for Maintenance-Free Stable Power Supply

Matched with industrial-grade brushless self-excited alternator, this 90kW prime power diesel generator completely eliminates the failure risks of traditional brushed excitation structures, including carbon brush wear, electric spark interference and poor contact failure. It realizes long-term unattended maintenance-free operation, greatly reducing daily inspection and after-sales maintenance costs for end users. The full pure copper winding adopts high-temperature anti-aging treatment, featuring low resistance, low heat generation and high power generation efficiency. Supported by intelligent AVR automatic voltage regulation technology, the unit dynamically adjusts voltage and frequency in real time according to load changes, ensuring ultra-stable and clean power quality for heavy-load mechanical equipment and precision electrical devices.

3.3 H-Grade Insulation & IP23 Protection for Complex Harsh Environments

The alternator adopts top-tier H-grade high-temperature resistant insulation materials, which can withstand long-term full-load high-temperature operation and extreme temperature fluctuations without insulation aging, breakdown or equipment burnout. Its high-temperature durability and operational stability are far superior to ordinary F-grade insulation gensets. The standard IP23 professional protection grade can effectively block splashing rainwater, floating dust, solid debris and humid air, protecting internal precision circuits and core components from environmental erosion. Whether operating in dusty heavy industrial workshops, humid field operation bases or open-air construction sites with variable weather, this SDEC diesel generator can maintain 24-hour safe and stable operation with outstanding outdoor adaptability.

3.4 Dual Power Rating Design for Diversified Working Condition Adaptation

The genset adopts scientific dual power output mode to cover diversified application demands. The 90kW rated prime power supports 24-hour uninterrupted continuous power supply, suitable for long-term off-grid independent power generation and daily heavy-load industrial production operation. The 96kW/120kVA high standby power provides sufficient emergency peak power reserve, which can quickly start and compensate power during sudden municipal power failures and instantaneous heavy-load surges. Strictly controlled voltage and frequency fluctuation ensures no power jitter during load switching, effectively avoiding production shutdown and economic losses caused by power instability.

3.5 Flexible Deployment & Expandable Intelligent Function

The whole machine adopts compact integrated modular layout with reasonable structural arrangement, saving installation space and facilitating indoor fixed installation and outdoor mobile deployment. The optimized shock absorption base and integral silencer system reduce operational vibration and running noise, complying with industrial and civil environmental protection standards. Users can choose open type for factory fixed use, silent type for noise-sensitive commercial and residential areas, or mobile trailer type for frequently transferred engineering projects. Optional ATS automatic switching device, remote monitoring system and parallel operation system realize unattended automatic power supply and multi-unit parallel power generation, greatly improving operational intelligence and scene compatibility.

4. Core Product Uses

As a high-torque turbocharged heavy-duty industrial diesel generator, the 50Hz 90kW 112kVA SDEC 4HTAA4.3-G23 Diesel Generator Set is widely used for long-term heavy-load continuous prime power supply, key project emergency standby power, industrial grid peak load compensation and long-term unattended hot standby power reserve, solving high-power shortage and sudden power outage risks in various industrial, engineering and commercial high-demand scenarios.

Long-Term Off-Grid Heavy-Load Prime Power Supply: This 112kVA diesel generator provides stable continuous power generation for remote large industrial parks, mining operation areas, field construction bases and large agricultural processing plants without complete municipal grid coverage, supporting long-term stable operation of heavy-load mechanical production equipment.

Key Facility Emergency Standby Power Guarantee: The 120kVA high standby power can start instantly after municipal power failure, providing zero-delay uninterrupted emergency power for factory core production lines, large commercial complex fire-fighting systems, municipal key infrastructure and safety monitoring equipment, avoiding major economic losses and safety hazards caused by sudden power interruption.

Industrial Grid Peak Load Compensation: For large and medium-sized manufacturing factories and industrial parks with insufficient grid peak power capacity and unstable terminal voltage, this SDEC diesel generator set supplements power during peak power consumption periods, balances grid load pressure, stabilizes terminal voltage and ensures continuous and efficient industrial production.

Long-Term Unattended Hot Standby Reserve: It is configured as standard hot standby power equipment for large industrial enterprises, public institutions and key commercial projects, maintaining long-term standby state to respond to sudden power failure emergencies at any time.

Large-Scale Engineering Temporary Power Support: It provides stable high-power temporary power guarantee for municipal key engineering construction, water conservancy hub projects, highway and bridge renovation and field geological exploration operations, meeting the high-power consumption demand of large construction machinery and on-site supporting facilities.

5. Wide Application Scenarios

With 4.3L large-displacement high torque reserve, turbocharged heavy-load performance, high-precision stable power output and strong harsh environment resistance, the SDEC 4HTAA4.3-G23 90kW diesel generator set is widely applied in heavy industrial manufacturing, key municipal projects, large commercial complexes and outdoor large-scale engineering fields, becoming a mainstream high-reliability high-power medium-sized power generation solution.

5.1 Heavy Industrial Manufacturing Production

Ideal for large mechanical manufacturing, hardware processing, chemical auxiliary production, food deep processing and automated packaging factories. The stable 90kW heavy-load continuous power output fully meets the long-term operation demand of large-scale automated production equipment. Sufficient turbocharged torque reserve copes with instantaneous peak power consumption during equipment startup and operation, effectively avoiding production suspension and yield loss caused by grid voltage fluctuation and sudden power outages, ensuring continuous and efficient industrial production.

5.2 Large Commercial & Logistics Park Complexes

Suitable for super-large shopping malls, comprehensive office buildings, modern logistics distribution centers and industrial cluster parks. As the core emergency backup power equipment, it ensures the normal operation of elevators, central air conditioning, fire-fighting linkage systems, security monitoring systems and emergency lighting during municipal power outages, maintaining safe and orderly commercial operation and improving overall facility operational stability.

5.3 Municipal Key Projects & Outdoor Engineering

Perfect for urban key municipal renovation, water conservancy hub construction, highway and bridge engineering, field mining and geological exploration operations. With IP23 dust and splash protection performance and optional mobile trailer configuration, the unit adapts to complex open-air harsh environments such as wind, dust and rain splash, supporting frequent equipment transfer and long-term on-site heavy-load power supply for large engineering projects.

5.4 Public Key Infrastructure & Institutions

Widely applied in district central hospitals, suburban university campus clusters, scenic area supporting facilities and government public service centers. Featuring low vibration, low noise and ultra-stable operation, it will not interfere with public working and living environments. The low-maintenance and high-reliability design is very suitable for long-term unattended standby operation of key public infrastructure.

5.5 Communication Base Station & Precision Equipment Power Backup

Applicable for medium and large communication base stations, field environmental monitoring stations, meteorological monitoring equipment and industrial precision instrument rooms. The high-precision stable power output effectively eliminates voltage surge and frequency jitter, protecting precision electronic equipment and ensuring 24-hour uninterrupted and stable operation of communication and monitoring systems.

6. Frequently Asked Questions (FAQ)

Q1: What is the difference between prime power and standby power of the 4HTAA4.3-G23 112kVA diesel generator set?

Prime power (90kW/112kVA) refers to the rated continuous power that the genset can stably output for 24-hour long-term uninterrupted operation, which is the standard working power for daily off-grid independent power generation and long-term heavy-load industrial operation. Standby power (96kW/120kVA) is emergency peak power, only used for short-time power compensation during sudden municipal power failures or instantaneous heavy-load surges, and cannot support long-term full-load continuous operation. For actual on-site use, it is recommended to control the operating load within 80% of the prime power to avoid long-term overload operation, which can effectively prolong the overall service life and maintain stable heavy-load performance of the SDEC 4HTAA4.3-G23 generator set.

Q2: What makes the SDEC 4HTAA4.3-G23 turbocharged engine different from ordinary generator engines?

The SDEC 4HTAA4.3-G23 is an upgraded turbocharged intercooled H-series G-drive engine professionally calibrated for heavy-load long-hour power generation. Different from ordinary naturally aspirated and low-power mechanical engines, it adopts a 4.3L large-displacement dry liner structure and precision direct injection combustion technology. The turbocharged intercooling system greatly improves power density, torque reserve and load response speed, with zero obvious power attenuation under long-term full-load operation. It features stable fuel consumption performance, low operational vibration and ultra-low failure rate, making it far more suitable for heavy industrial continuous power supply and complex outdoor harsh environment operation than ordinary civilian generator engines.

Q3: What daily maintenance is required for the 50Hz 90kW 112kVA SDEC diesel generator?

This genset adopts mature brushless self-excited alternator and SDEC H-series turbocharged industrial engine structure, with simple daily maintenance procedures and low operational costs. Daily routine inspection only needs to check diesel fuel level, cooling water capacity and 24V starting battery status to ensure normal hot standby state. Users need to regularly clean radiator dust and ventilation gaps to prevent engine and turbocharger overheating under long-term heavy load. Replace engine oil, fuel filters and oil filters regularly according to cumulative operating hours. Compared with traditional brushed generators, it requires no regular carbon brush replacement and complex mechanical debugging, greatly saving daily operation and maintenance workload.