50Hz SDEC Engine 4ZTAA4.1-G31 64kW 80kVA Diesel Generator Set

50Hz  SDEC  64kW 80kVA Diesel Generator Set

1. Product Overview

The 50Hz 64kW 80kVA SDEC Engine 4ZTAA4.1-G31 Diesel Generator Set is a high-power turbocharged industrial genset upgraded from SDEC mature Z-series G-drive engine platform. Designed for heavy-load continuous power supply and high-reliability emergency backup applications, this 80kVA diesel generator delivers a rated prime power of 64kW and a maximum standby emergency power of 70.4kW/88kVA, fully meeting the stable power demand of medium and large industrial production, municipal key projects, commercial complex facilities and field engineering operations. With a calibrated full-load fuel consumption of 18.7L/h, this SDEC diesel generator adopts professional turbocharged combustion optimization technology, achieving powerful power output and stable operational durability under long-hour heavy-load working conditions.

Powered by authentic SDEC 4ZTAA4.1-G31 turbocharged intercooled generator-dedicated engine, the unit adopts 4.1L large-displacement four-cylinder in-line structure, four-valve fuel supply design and precision direct injection combustion system. Compared with naturally aspirated gensets of the same power grade, it features stronger power reserve, faster load response speed and no power attenuation under long-term full-load operation. Matched with a high-performance brushless self-excited alternator, the equipment is equipped with top-grade H-grade high-temperature insulation and standard IP23 dustproof and splash-proof protection grade, adapting to various complex and harsh working environments. Running at standard 50Hz industrial frequency and 400V three-phase four-wire output, this 64kW prime power diesel generator complies with international IEC industrial power supply standards and national non-road emission regulations, serving as a core power guarantee equipment for off-grid independent power generation, grid failure emergency backup and industrial peak load regulation.

Every finished 4ZTAA4.1-G31 genset undergoes strict factory full-load aging testing, voltage and frequency stability calibration, insulation performance detection and fuel consumption verification before delivery. Adopting standardized industrial assembly technology and reinforced mechanical structure, this turbocharged diesel generator has ultra-low operational failure rate and long service life, supporting 24-hour unattended continuous operation. It has become a hot-selling high-power medium-sized genset, widely recognized by engineering contractors, industrial manufacturers and infrastructure project operators for heavy-load power supply projects.

2.Technical Parameter

3. Core Product Features

This 50Hz 64kW 80kVA SDEC 4ZTAA4.1-G31 Diesel Generator Set is a high-performance turbocharged heavy-duty genset optimized for heavy-load and long-hour power generation scenarios. Breaking the power limit of conventional medium-power naturally aspirated units, this 80kVA diesel generator adopts upgraded turbocharged intercooled technology and electronic speed regulation system, featuring stronger power reserve, more sensitive load response and higher operational stability. It effectively solves common problems of traditional gensets such as insufficient peak power, slow load picking and unstable voltage under heavy load, becoming a reliable high-power medium-sized power generation equipment for industrial and engineering heavy-load scenarios.

3.1 4ZTAA4.1-G31 Turbocharged Engine with Strong Heavy-Load Resistance

Powered by the latest SDEC 4ZTAA4.1-G31 turbocharged intercooled G-drive dedicated engine, the unit adopts 4.1L large-displacement four-valve structure and wet liner cylinder design. The turbocharging and intercooling system greatly improves air intake and combustion efficiency, bringing sufficient power reserve to support long-term heavy-load continuous operation. Different from ordinary mechanical governor engines, it is equipped with a high-precision electronic governor, realizing more accurate speed regulation and faster load response, which can quickly adapt to instantaneous load surges without stalling or power attenuation. Calibrated with a full-load fuel consumption of 18.7L/h, the engine maintains stable combustion state under full-load operation, with excellent high-temperature resistance and anti-fatigue performance, perfectly matching industrial long-hour power generation working conditions.

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

Matching industrial-grade brushless self-excited alternator configuration, this 64kW prime power diesel generator completely eliminates the failure risks of traditional brushed generators such as carbon brush wear, electric spark interference and poor contact conduction. It realizes long-term maintenance-free excitation operation, greatly reducing daily maintenance workload and after-sales failure rate. The full pure copper winding is processed with high-temperature anti-aging varnish, featuring low resistance, low heat generation and high power generation efficiency. Cooperated with intelligent AVR automatic voltage regulation system, it can dynamically adjust voltage in real time according to load changes, ensuring ultra-stable voltage and frequency output and providing clean and high-quality power for precision industrial equipment.

3.3 H-Grade Insulation & IP23 Protection for Harsh Environment Adaptability

The alternator adopts top-level H-grade high-temperature resistant insulation materials, which can withstand long-term full-load high-temperature operation and severe temperature changes without insulation aging, breakdown or equipment burnout. Compared with ordinary F-grade insulation gensets, it has higher temperature resistance threshold and longer service life. The standard IP23 professional protection grade can effectively block splashing rainwater, floating dust, debris and moist air, protecting internal circuits and precision components from environmental erosion. Whether used in dusty heavy industrial workshops, humid field operation areas or open-air construction sites with variable weather, this SDEC diesel generator can maintain 24-hour stable and safe operation with outstanding environmental adaptability.

3.4 Dual Power Rating & High-Precision Power Quality Guarantee

The genset supports dual power output modes to meet diversified working condition demands. The 64kW rated prime power supports 24-hour uninterrupted continuous power supply for long-term heavy-load industrial equipment, suitable for off-grid independent power generation. The 70.4kW/88kVA high standby power can quickly respond to sudden municipal power failures and instantaneous peak load surges, providing reliable emergency power compensation. The overall power fluctuation is controlled within ±1% voltage deviation and ±0.5% frequency deviation, effectively avoiding production shutdown and equipment damage caused by power jitter, voltage drop and frequency instability.

3.5 Flexible Deployment & Expandable Functional Configuration

The whole machine adopts compact integrated modular layout, with reasonable structural arrangement and small footprint, convenient for indoor fixed installation and outdoor mobile deployment. The optimized shock absorption base and integral silencer system effectively reduce operating vibration and running noise, complying with industrial and civil environmental protection standards. Users can choose open type, silent type or mobile trailer type according to application scenarios, and optionally equip with ATS automatic switching device, remote monitoring system and parallel operation system to realize unattended automatic power supply, with extremely high functional scalability and scene compatibility.

4. Core Product Uses

As a high-power turbocharged medium-sized industrial diesel generation equipment, the 50Hz 64kW 80kVA SDEC 4ZTAA4.1-G31 Diesel Generator Set is mainly used for long-term heavy-load continuous prime power supply, key project emergency standby power, industrial grid peak load compensation and unattended hot standby power reserve, solving heavy-load 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 80kVA diesel generator provides stable continuous power generation for remote industrial parks, mining auxiliary areas, field operation bases and large rural processing plants without municipal grid coverage, supporting long-term operation of heavy-load mechanical production equipment.

Key Facility Emergency Standby Power: The 88kVA high standby power can start instantly after municipal power failure, providing uninterrupted emergency power guarantee for factory core production lines, commercial complex fire-fighting systems, municipal key infrastructure and monitoring equipment, avoiding major economic losses caused by power interruption.

Industrial Grid Peak Load Compensation: For large and medium-sized factories and industrial parks with insufficient grid peak power capacity, this SDEC diesel generator set can assist in power supplementation during peak power consumption periods, balance grid load pressure, stabilize terminal voltage and ensure continuous industrial production.

Long-Term Unattended Hot Standby Reserve: It is configured as standard hot standby power equipment for industrial enterprises, public institutions and key commercial projects, maintaining long-term standby state to realize zero-delay power supply in sudden power failure emergencies.

Large-Scale Engineering Temporary Power Guarantee: It provides stable heavy-load temporary power support for municipal key engineering, water conservancy construction, road renovation and field exploration projects, meeting the high-power consumption demand of large construction equipment and on-site supporting facilities.

5. Wide Application Scenarios

With turbocharged heavy-load performance, large-displacement power reserve, high-precision power output and strong harsh environment resistance, the SDEC 4ZTAA4.1-G31 64kW diesel generator set is widely used in heavy industrial production, key municipal projects, commercial complex operation and outdoor large-scale engineering fields, becoming a mainstream high-reliability power generation solution for medium and heavy-load power demand.

5.1 Heavy Industrial Workshop Production

Ideal for mechanical manufacturing, hardware processing, food processing and large packaging factories. The stable 64kW heavy-load continuous power output fully meets the long-term operation demand of medium and large production equipment. The strong instantaneous load resistance can cope with the peak power consumption of equipment startup and operation, effectively avoiding production suspension caused by grid voltage fluctuation and sudden power outages, ensuring continuous and efficient industrial production.

5.2 Large Commercial & Logistics Complexes

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

5.3 Municipal & Large-Scale Outdoor Engineering

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

5.4 Public Infrastructure & Key Institution Power Guarantee

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

5.5 Communication & Precision Equipment Backup Power

Applicable for medium and large communication base stations, field environmental monitoring stations and industrial precision instrument rooms. The high-precision stable power output effectively avoids 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 4ZTAA4.1-G31 80kVA diesel generator set?

Prime power (64kW/80kVA) refers to the rated continuous power that the genset can stably output for 24-hour long-term uninterrupted operation, which is the conventional working power for daily off-grid power generation and long-term industrial load operation. Standby power (70.4kW/88kVA) is emergency peak power, only used for short-time power compensation during sudden municipal power outages or instantaneous heavy-load surges. It 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 service life and maintain stable heavy-load performance of the SDEC 4ZTAA4.1-G31 generator set.

Q2: What advantages does the electronic-governor 4ZTAA4.1-G31 turbocharged engine have over ordinary generator engines?

The SDEC 4ZTAA4.1-G31 is an upgraded turbocharged intercooled G-drive engine professionally calibrated for heavy-load long-hour power generation. Different from ordinary naturally aspirated and mechanical governor engines, it adopts electronic speed regulation technology with higher regulation accuracy and faster load response speed. The 4.1L large-displacement turbocharged structure provides stronger power reserve and heavy-load resistance, with no obvious power attenuation under long-term full-load operation. The four-valve direct injection combustion system ensures sufficient fuel combustion and stable power output, featuring lower failure rate and better high-temperature durability. It is more suitable for heavy industrial continuous power supply and complex outdoor engineering scenarios than ordinary civilian generator engines.

Q3: What daily maintenance does the 50Hz 64kW 80kVA SDEC turbocharged diesel generator need?

This genset adopts mature brushless alternator and SDEC turbocharged industrial engine structure with low daily maintenance pressure. Daily routine inspection only needs to check diesel fuel level, cooling water capacity and 24V starting battery status to ensure normal standby state. It is necessary to regularly clean radiator dust and ventilation gaps to prevent turbocharger and engine overheating under heavy load. Replace engine oil, fuel filter and oil filter regularly according to cumulative operating hours. Compared with traditional brushed generators, it requires no regular carbon brush replacement and mechanical debugging, greatly saving daily operation and maintenance time and economic costs.