K/MJ/MK Series
Genuine Product Guarantee
YC550GF1
#Energy Efficient
#Eco-Friendly & Quiet
#Stable & Reliable
Powered by Yuchai’s self-developed K/MJ/MK series diesel engines, these sets feature premium alternators and automated controls. Covering 200–400 kW (10.34–12.94 L), they offer high reliability, ample power reserve, strong load acceptance, and excellent adaptability with superior performance and efficiency. Ideal as primary or backup power for telecom, railway, medical, educational, and industrial applications.
Core Advantages
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Adopting well-known brand engines with stable and reliable performance
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Intelligent control system, easy to operate
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Low noise design, eco-friendly and energy-saving
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Modular design, easy to maintain
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Multiple protection functions, safe and reliable
Quick Specs
Rated Power
400 / 500
Rated Voltage
Technical Specifications
Unit Specifications
ModelYC550GF1
Rated Power (KW) / Capacity (KVA)400 / 500
Standby Power (KW) / Capacity (KVA)440 / 550
Rated Current (A)650
Rated Frequency (Hz)50
Speed (rpm)1500
AspirationTCI
CylindersL6
Bore x Stroke (mm)129×165
Displacement (L)12.94
Fuel TypeDiesel fuel
Power Generation Efficiency40%-42%
Emissions (mg/Nm3)China Non-road Stage III
Dimensions (mm)3200×1230×1570
Weight (kg)3000
Engine Specifications
Engine ModelYC6K660-D30
Prime Rated Power (KW) / Speed (rpm)441 / 1500
Standby Rated Power (KW) / Speed (rpm)485 / 1500
AspirationTCI
CylindersL6
Bore X Stroke (mm)129×165
Displacement (L)12.94
Fuel TypeDiesel fuel
Emissions (mg/Nm3)China Non-road Stage III
Dimensions (mm)
Weight (kg)
Alternator Specifications
Alternator ModelYC-400-4
Rated Power (KW) / Capacity (KVA)400 / 500
Standby Power (KW) / Capacity (KVA)400
Rated Current (A)650
Rated Frequency (Hz)50
Dimensions (mm)
Weight (kg)
Control System Specifications
Application Scenarios
Customized Service
Based on your actual power needs, we provide complete customized solutions from single units to parallel systems.
After-sales Guarantee
24-hour technical support response, nationwide warranty, ensuring your power supply is always reliable.
Expert Consultation
Call our service hotline, our senior engineers will answer any technical questions for you.