The Yuchai 250 kW Diesel Generator Set has a rated power of 250 kW and a standby power of up to 280 kW. Its high combustion efficiency reaches 44%, which means the Yuchai 6MK engine can provide more power with the same fuel consumption, thereby reducing operating costs. The unit is equipped with an all-copper brushless generator and can perform excellently in both high-temperature and extreme cold areas. Both its fuel efficiency and market performance are quite outstanding, making it stand out among generator sets of the same power class.

Configuration selection

Product advantages

Product Description

GENERATOR SET TECHNICAL PARAMETERS
Model:	HLY250GF	Steady State Voltage Regulation:	≤±0.5%
Prime Power (KVA/KW):	312.5/250	Transient Voltage Deviation:	≤±15%
Standby Power (KVA/KW):	343.75/275	Voltage Variation:	≤±0.5%
Rated Current (A):	450	Total Harmonic Distortion (THD):	≤5%
Power Factor (COSΦ):	0.8 lagging	Voltage Recovery Time:	≤1.5sec
Rated Frequency:	50Hz	Steady State Frequency Regulation:	≤±2%
Starting Method:	24V DC start	Transient Frequency Deviation:	≤±5%
Dimensions (mm):	3000×1100×1700	Frequency Recovery Time:	≤3sec
Weight (kg):	2650	Frequency Variation:	≤±0.5%
DIESEL ENGINE DATA
Brand:	Yuchai	Compression Ratio:	16.8:1
Model:	YC6MK420L-D20	Fuel Consumption Rate (g/kwh):	195
Rate Power (kw):	281	Rated Speed:	1500/RPM
Standby Power (kw):	309	Air Intake System：	Turbocharger
Number of Cylinders:	6	Type:	Four-stroke、Direct injection
Displacement (L)：	10.34	Cooling Mode：	Closed water cooling
Bore/Stroke (mm):	123/145	Start Mode：	Electric starting
ALTERNATOR DATA
Brand:	HAOLIAN	Power Factor (COSΦ):	0.8 lagging
Model:	HL-250	Insulation Class:	H
Rated Power (KVA):	312.5	Protection Class:	IP22 IP23
Rated Voltage (V):	400/230	Voltage Regulation Method:	AVR (Automatic Regulation)
Number of bearing:	1	Wiring Method:	3 phase and 4 wires,"Y" type connecting

Please note：

1. Alternators can be selected according to the needs of customers are Haolian, Stanford, Leroy- Somer, Marathon and other famous brands.

2. The specifications may change without the notice.2. The specifications may change without the notice.2. The specifications may change without the notice.

FAQs Related to Yuchai 250kW Diesel Generator Set：

Q: Can the standby power of the Yuchai 250kW unit reach 280kW?

A: Yes, the standby power can reach 280kW.

Q: Can the unit operate normally in high-temperature and extreme cold areas?

A: Yes, the all-copper brushless generator ensures excellent performance.

Q: Does the unit's combustion efficiency reach 44%?

A: Yes, the 44% combustion efficiency can reduce operating costs.