800KW Yuchai Diesel Generator – Power and Reliability for Demanding Applications
Experience unparalleled power and efficiency with the 800KW Yuchai Diesel Generator. Engineered for robust performance, this generator delivers consistent and reliable electricity even in the harshest conditions. Featuring advanced technology and a compact, durable design, it’s the ideal solution for industrial, commercial, or emergency power needs. Available in sleek blue or black, this generator combines style with substance.
Key Features and Benefits
- Powerful Performance: Powered by the YC6C1220-D31 engine, it offers 800KW standby power and 720KW prime power, ensuring your operations stay running smoothly.
- Advanced Technology: High-efficiency turbocharging and intercooling provide higher power density, greater torque, and excellent fuel efficiency across a wide range of loads.
- Built to Last: Constructed with high-strength materials and innovative engineering, this generator is designed for durability and low maintenance in challenging environments.
- Eco-Friendly: Meets China’s National III and European S3A emission standards, delivering powerful performance with reduced environmental impact.
- User-Friendly Design: Intuitive controls and easy-access maintenance points make operation and servicing hassle-free.
Detailed Specifications
Generator Set Parameters
Parameter |
Specification |
Model |
Open frame |
Unit Model |
XN800YC |
Standby Power |
800KW |
Prime Power |
720KW |
Dimensions |
4100 x 1760 x 2400 mm |
Weight |
7200 kg |
Speed |
1500 r/min |
Fuel Consumption |
209 g/kW.h |
Frequency |
50 HZ |
Transient Voltage Regulation |
≤-15% / +20% |
Steady-State Voltage Regulation |
≤±1% |
Voltage Stabilization Time |
≤3 sec |
Voltage Fluctuation |
≤0.5% |
Voltage Waveform Distortion |
≤8% |
Steady-State Frequency Regulation |
≤5% |
Transient Frequency Regulation |
≤-10% / +12% |
Frequency Stabilization Time |
3 sec |
Frequency Fluctuation |
≤1.5% |
Engine Parameters
Parameter |
Specification |
Brand |
Yuchai |
Manufacturer |
Guangxi Yuchai Machinery Co., Ltd. |
Model |
YC6C1220-D31 |
Standby Power |
897KW |
Output Power |
815KW |
Cylinders / Arrangement |
6 cylinders / In-line |
Compression Ratio |
14.5:1 |
Bore x Stroke |
200 x 210 mm |
Displacement |
39.58 L |
Oil Capacity |
150 ~ 180 L |
Fuel System |
Electronic control ECU / Single pump |
Cooling Method |
Closed water cooling cycle |
Starting Method |
DC24V electric start |
Intake Method |
Turbocharged, water-air intercooled |
Type |
Four-stroke, 60° |
Constant Load Steady-State Fluctuation |
±0.25% |
Power Deviation |
≤±5% |
Alternator Parameters
Parameter |
Specification |
Brand |
Stamford |
Manufacturer |
Cummins Generator Technologies (China) Co., Ltd. |
Model |
S6L1D-D4 / HCI634H / LVI634D |
Rated Capacity |
940KVA / 940KVA / 910KVA |
Voltage |
400V / 230V |
Form |
Brushless, single bearing, rotating magnetic field |
Excitation System |
Self-excited, automatic voltage regulation |
Winding Structure |
2/3 pitch |
Phase |
Three-phase four-wire |
Insulation Class |
H |
Power Factor |
COSΦ=0.8 lagging |
Telephone Interference Factor |
TIF: <50 |
Wiring |
Y connection |
Telephone Harmonic Factor |
THF: <2% |
Protection Level |
IP23 |
Standard Configuration
- Engine: Diesel engine, diesel filter, air filter, oil filter, charger, starter motor.
- Alternator: Stamford alternator, air switch.
- Control System: LCD digital display controller, electronic governor.
- Other Components: Water tank radiator, steel base, vibration damping pad.
- Accessories: Muffler, battery, battery cable, oil, anti-vibration pad.
Why Choose the 800KW Yuchai Diesel Generator?
Superior Performance
- Efficient Combustion: Four-valve design with turbocharging and intercooling ensures ample air intake, complete combustion, and low fuel consumption.
- Smooth Operation: The electronically controlled fuel injection system delivers stable performance, excellent transient speed regulation, and strong load capacity.
Unmatched Reliability
- Robust Build: Features a high-strength alloy cast iron cylinder block with arcuate reinforcing ribs, a vermicular cast iron cylinder head, and a double-insurance anti-impact cylinder gasket.
- Innovative Cooling: Unique cooling technology at the cylinder head base enhances durability.
- Low Oil Use: Carbon scraping and self-cleaning technology minimize lubricating oil consumption.
Easy Maintenance
- Convenient Design: One cylinder, one cover structure with a side maintenance window simplifies servicing.
- Protective Features: Electric pre-supply technology safeguards moving parts, extending the generator’s lifespan.
Environmental Responsibility
This generator operates efficiently under the following conditions:
- Altitude: ≤1000m
- Fuel: 0# light diesel
- Atmospheric Pressure: ≥89.9kPa
- Oil: CF grade / 15W-40
- Intake Temperature: ≤40℃
- Water Quality pH: 6.5–8
- Relative Humidity: ≤60%
- Earthquake Resistance: Horizontal 0.2g, Vertical 0.1g
It complies with China’s National T3 and European S3A emission standards, ensuring a reduced environmental footprint.
Certified Quality
- Meets ISO8528-2005 and GB/T2820-2009 standards for reciprocating internal combustion engine-driven alternators.
- Certified under the ISO9001 quality management system.
- Industry-leading power density, fuel consumption rate, and emission performance.
Perfect for Your Power Needs
Whether you’re powering a factory, construction site, or need a dependable backup solution, the 800KW Yuchai Diesel Generator is built to perform. Its compact size, lightweight design, and high operational efficiency make it a versatile choice for any application.
Get Started Today
Ready to experience reliable, efficient power? Contact us for a quote or to explore financing options. Let the 800KW Yuchai Diesel Generator keep your operations running strong!
📧 Email: [ gmail@xn-gen.com]
📞 Phone: [+86 15216161715]
🌐 Website: [xn-gen.com]
Generator Maintenance and Servicing
At XN-GEN, we offer long-term maintenance agreements to provide professional, high-quality, and hassle-free service for our customers. Our maintenance services ensure the optimal performance and longevity of your generator set. Below is a general guideline for maintenance procedures (please note that specific actions may vary based on the model and operational status of each generator set).
Routine Maintenance
Regular inspections and upkeep are crucial to ensuring the reliability of your generator. The following checks should be performed regularly:
- Inspect all rotating components and tighten any loose bolts.
- Check the oil level in the crankcase and add oil if necessary.
- Monitor fuel levels in the tank.
- Inspect the coolant level in the radiator.
- Examine fuel and water pipelines for any leaks or loose connections.
- Ensure the intake and exhaust systems, along with cylinder gaskets, are properly sealed.
- Clean any oil stains or dust accumulation on the generator to maintain a tidy machine room.
Maintenance Plan for Standby Generators
(Recommended for backup generators used in residential communities, commercial buildings, hospitals, government facilities, tourist attractions, factories, and other locations where power outages are rare.)
Professional Maintenance (Every Six Months or Annually)
In addition to routine maintenance, a comprehensive service should be performed every six months or once a year:
- Conduct a thorough inspection of the fuel, electrical, cooling, and lubrication systems to ensure proper functionality.
- Perform a no-load test run for 5-10 minutes to lubricate the system. Assess the generator's performance using auditory, visual, and olfactory checks.
- Replace consumable filters, including air, diesel, oil, water, and fuel-water separators.
- Drain and replace coolant, ensuring proper radiator function.
- Check and replenish the battery electrolyte or distilled water as needed.
- After completing the maintenance, conduct a final inspection and clean the generator set.
- Perform another 5-10 minute no-load test, record performance parameters, and provide optimization recommendations before customer acceptance.
Maintenance Plan for Continuous Operation Generators
(Recommended for generators in construction sites, frequently power-outage-prone factories, areas with insufficient transformer capacity, project testing sites, or locations without access to the main grid.)
Level 1 Maintenance (Every 50-80 Hours)
This includes all routine maintenance tasks plus:
- Clean the air filter and replace it if necessary.
- Replace the diesel filter, air filter, and water filter.
- Inspect the tension of the drive belt and adjust if needed.
- Lubricate all grease fittings and moving components.
- Replace coolant to maintain effective cooling performance.
Level 2 Maintenance (Every 250-300 Hours)
Includes Level 1 maintenance tasks, with additional checks:
- Clean and inspect pistons, piston pins, cylinder liners, piston rings, and connecting rod bearings for wear.
- Examine the main bearing for any signs of looseness or abnormal wear.
- Remove scale and sediment from the cooling system to ensure proper heat dissipation.
- Clear carbon deposits from the combustion chamber and intake/exhaust passages.
- Inspect and adjust valve clearances, valve seats, push rods, and rocker arms.
- Clean turbocharger rotors and check bearings and impellers for wear, replacing if necessary.
- Tighten or replace any loosened or damaged bolts in the generator-diesel engine coupling.
Level 3 Maintenance (Every 500-1000 Hours)
Includes Level 1 and Level 2 maintenance tasks, along with additional services:
- Check and adjust the fuel injection timing.
- Clean the fuel tank to remove contaminants.
- Clean the oil sump to prevent sludge buildup.
- Inspect and test the fuel injectors for optimal atomization.
By following this structured maintenance plan, generator owners can ensure consistent performance, increased lifespan, and reduced risk of unexpected failures. Our expert team at XN-GEN is dedicated to delivering superior service to keep your power supply reliable at all times.
For more information or to schedule maintenance, contact us today!
1. Are you a factory or a trading company?
We are a factory specializing in the production of various types of generator sets. Our manufacturing facility ensures high-quality production and strict quality control.
2. What are your main markets?
Our products are widely exported to South America, the Middle East, Southeast Asia, and Africa, catering to diverse power needs across different industries.
3. How do you ensure product quality?
We implement strict quality control measures at every stage of production. Before delivery, all generator sets undergo load testing inside a shipping container to ensure optimal performance and reliability.
4. What is your warranty policy?
Our products come with an industry-standard warranty of one year or 1,000 operating hours (whichever comes first). We also provide technical support and spare parts services.
5. Can we customize the generator with our logo or design?
Yes! We offer custom branding for authorized logos and designs, allowing you to personalize the generator’s appearance according to your business needs.
6. What is your delivery time?
Our standard production and delivery time is within 15 working days, depending on order quantity and customization requirements.
7. How can I become your distributor?
We welcome partnerships with companies that have strong marketing resources and after-sales service capabilities. If you meet these criteria and are interested in collaborating, feel free to contact us for further discussions.
8. Do you provide after-sales support?
Yes! We offer technical assistance, spare parts supply, and remote troubleshooting to ensure seamless operation of our generator sets.
9: What is the payment terms you can accept?
- A: T/T, 30% deposit, 70% will be paid before delivery;
- or T/, 30% deposit, 70% L/C at sight;
- or 100% L/C at sight;