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The 500KW Yuchai Diesel Generator Set is a high-performance, high-reliability backup power solution designed for B-end users with critical power demands, powered by the advanced Yuchai YC6TD780-D31 inline six-cylinder diesel engine—one of Yuchai’s flagship power units for heavy-duty applications . As a high-efficiency 500KW industrial diesel generator, it delivers 500kW standby power and 450kW prime power (450KW prime power Yuchai diesel generator for heavy industry), balancing exceptional power output with compact design (3881×1884×1876mm) and optimized weight (4500kg) for easy installation and space adaptability. Engineered with Yuchai’s decades of power system expertise, it integrates high-efficiency combustion technology and electronic control management, meeting stringent environmental emission standards while ensuring fuel economy and stable operation. This set is the ideal emergency power source for critical infrastructure, medical facilities, heavy industrial production and large commercial buildings, eliminating losses caused by unexpected power outages and ensuring business continuity for enterprises, infrastructure operators and industrial parks.
As a YC6TD780-D31 backup diesel generator for critical infrastructure, it is equipped with the Yuchai YC6TD780-D31 inline six-cylinder engine (6L layout) with a large 19.60L displacement, delivering ample power reserves to maintain a stable 500kW standby output. The robust engine structure and reinforced key components enable high-load continuous operation, with rapid DC24V electric start (maintenance-free lead-acid battery) for instant emergency power activation—critical for time-sensitive scenarios like hospital surgeries and data center operations. The closed water circulation cooling system ensures efficient heat dissipation even under full-load operation, preventing overheating and extending the unit’s service life.
Yuchai’s proprietary high-efficiency combustion technology and electronic control management system optimize fuel combustion, achieving a fuel consumption rate of only 205g/kW·h at 100% load—one of the lowest in the 500kW power segment. This significantly reduces long-term fuel costs for B-end users with continuous or frequent backup power needs. The D31 model complies with stringent national and international emission standards, with cleaner exhaust and no additional aftertreatment required, meeting the environmental requirements of industrial parks, urban commercial buildings and medical facilities.
Built with heavy-duty materials and precision manufacturing, the set features superior resistance to load shocks and mechanical wear, ensuring reliable operation under complex and variable working conditions. It has excellent cold-start performance for low-temperature regions and stable operation in high-temperature, high-humidity environments, making it adaptable to diverse geographic and climatic conditions across Asia, Europe and Africa. The rational component layout and sealed design also enhance dust and moisture resistance, suitable for both indoor installation (data centers, hospitals) and outdoor deployment (construction sites, industrial parks).
Integrated with a full range of safety protection systems—high water temperature, low oil pressure, overspeed, overload warnings and automatic shutdown protection—it safeguards both the generator set and connected electrical equipment from damage caused by abnormal working conditions. The unit’s humanized design features easily accessible maintenance points, allowing routine checks and component replacement without complex disassembly, reducing maintenance time and labor costs. Its modular structure also facilitates transportation and on-site installation, saving space and construction time for B-end users.
Category | Parameter Name | Specific Value/Configuration |
Unit Parameters | Standby Power | 500kW |
Prime Power | 450kW | |
Dimensions (L×W×H) | 3881×1884×1876mm | |
Weight | 4500kg | |
Starting Method | DC24V Electric Start (Maintenance-free Lead-acid Battery) | |
Noise Level (LP7m) | ≤115dB(A) | |
Engine Parameters | Engine Model | YC6TD780-D31 |
Cylinders/Arrangement | 6 Cylinders, In-line (6L) | |
Displacement | 19.60L | |
Cooling Method | Closed Water Circulation Cooling | |
Fuel Consumption Rate (100% Load) | 205g/kW·h | |
Generator Parameters | Generator Type | Brushless Three-phase AC Synchronous Generator |
Rated Voltage | 400/230V (Three-phase Four-wire, Star Connection) | |
Rated Frequency | 50Hz | |
Power Factor | 0.8 (Lagging) | |
Insulation Class | Class H | |
Voltage Regulation | AVR Automatic Voltage Regulation |
It provides uninterruptible power supply for data centers, telecommunications equipment rooms and financial center settlement systems, where even a short power outage can cause massive data loss and economic damage. The high precision AVR voltage regulation and fast ATS switching ensure stable power for sensitive electronic equipment.
Hospitals, surgical centers, laboratories, airports and rail transportation rely on this set for emergency power, supporting life-saving equipment, flight control systems and public transportation operations during grid outages—protecting public safety and social order.
Manufacturing plants, production lines, mines and oil fields use it as backup power to prevent production interruptions and equipment damage, ensuring continuous industrial operation and avoiding huge economic losses caused by unplanned downtime.
For large shopping malls, five-star hotels, high-rise office buildings and large construction sites, it serves as both primary and backup power, meeting the high power demands of commercial operation, construction machinery and on-site living facilities. It is also suitable for temporary power supply for large events and remote area infrastructure construction.
We offer tailored customization for the 500KW Yuchai Diesel Generator Set based on your specific application scenarios, including silent type enclosures for noise-sensitive areas (hospitals, commercial districts), containerized models for outdoor deployment, and fully automated control systems with remote monitoring for unattended sites (data centers, remote mines). We also provide customized installation accessories and ATS automatic transfer panels to match your existing power systems.
As a leading power equipment supplier, we provide one-stop services including on-site installation, commissioning and professional training for your operation and maintenance team, ensuring proper use and optimal performance of the unit. We have a nationwide parts supply network and 24/7 technical support, with fast delivery of genuine Yuchai spare parts to minimize downtime. The standard warranty covers 1 year or 1000 hours of operation for the entire unit, with extended warranty options for core engine components available for heavy-duty users. All units are delivered with complete technical documents, test reports and operation manuals for easy management.
If you are an infrastructure operator, industrial enterprise, medical institution or commercial real estate developer with critical 500kW backup power demands, the 500KW Yuchai Diesel Generator Set delivers a reliable, high-efficiency and cost-effective power solution tailored to your industry and operational needs. Our professional technical team will conduct a free on-site demand analysis, provide a customized configuration plan and detailed quotation, including installation, commissioning and after-sales service packages. We also offer flexible payment terms and fast delivery to ensure your project is completed on schedule. Inquire now to secure your critical power backup solution!
