Product Overview                
The HFGPU-140kVA/23kW Aircraft Ground Power Unit AC/DC provides both 400Hz AC aircraft ground power and 28.5V DC aircraft ground power in one integrated towed GPU system.        
The AC output provides 140kVA, 115V/200V, 400Hz, 3-phase 4-wire aircraft power, while the DC output provides 23kW, 28.5V DC aircraft power. This makes the unit suitable for aircraft electrical system testing, aircraft maintenance, cabin service power, aircraft startup preparation, MRO operations, and airport apron ground service.        
For customers searching for a 140kVA aircraft ground power unit, 400Hz aircraft GPU, 28.5V DC aircraft power supply, towed airport GPU, diesel aircraft ground power unit, or aircraft AC/DC ground power unit manufacturer, the HFGPU-140kVA/23kW is a practical and reliable solution.        
Main Applications        
Aircraft ground power supply        
Aircraft 400Hz AC power supply        
Aircraft 28.5V DC power supply        
Aircraft electrical system testing        
Aircraft maintenance power supply        
MRO hangar ground power operations        
Aircraft cabin service power        
Aircraft startup preparation support        
Airport apron aircraft servicing        
Airline ground handling operations        
Aircraft manufacturing and testing support        
Civil airport and military airport GSE operations        
Technical Specifications

Key Product Features        
1. 140kVA 400Hz Aircraft Ground Power Unit        
The HFGPU-140kVA/23kW aircraft ground power unit provides 140kVA 115V/200V 400Hz AC power, meeting aircraft ground power requirements for electrical systems, cabin service, maintenance, inspection, and airport apron operations.        
2. 23kW 28.5V DC Aircraft Power Supply        
This aircraft AC/DC GPU also provides 23kW 28.5V DC output with 800A rated current, making it suitable for aircraft DC ground power supply, maintenance testing, and ground service applications.        
3. Towed Airport GPU Design        
The towed aircraft ground power unit can be moved by airport tractors or service vehicles, allowing flexible deployment on airport aprons, hangars, MRO workshops, and aircraft parking stands.        
4. Cummins Diesel Engine        
The unit adopts a Cummins 6BTAA5.9-G12 diesel engine with 140kW rated power, turbocharged and intercooled intake, 5.9L displacement, and 24V electric start for reliable airport ground operation.        
5. Stable 400Hz AC Output        
With AC stable voltage range of 113V–118V, steady-state frequency of 400Hz ±1%, voltage response time of less than 0.1s, and total harmonic content of ≤4%, the HFGPU-140kVA/23kW supports stable aircraft power supply.        
6. Automatic Cable Voltage Drop Compensation        
The GPU provides automatic output cable voltage drop compensation, helping maintain stable aircraft-side voltage through the output cable during ground power supply.        
7. Multiple Electrical Protection Functions        
The HFGPU-140kVA/23kW includes AC over-voltage, AC under-voltage, AC over-frequency, AC under-frequency, DC over-voltage, DC under-voltage, internal overheating, high water temperature, and low diesel engine oil pressure protection.        
8. OLED Display for Easy Monitoring        
The OLED screen provides clear operating information, while display accuracy of ±1% FS supports reliable monitoring during aircraft ground power operations.        
9. Long Continuous Working Time        
With continuous working time of ≥8 hours, this diesel aircraft ground power unit is suitable for long-duration airport apron service, aircraft maintenance, MRO hangar operation, and aircraft ground testing.        
Why Choose HANGFU HFGPU-140kVA/23kW Aircraft Ground Power Unit?        
HANGFU is a professional airport ground support equipment manufacturer in China, providing reliable aircraft ground power units, aircraft air start units, aircraft tow tractors, airport belt loaders, passenger boarding stairs, baggage tractors, cargo loaders, lavatory service trucks, potable water trucks, catering trucks, and complete airport GSE solutions.        
The HFGPU-140kVA/23kW Aircraft Ground Power Unit AC/DC is designed for stable 400Hz aircraft AC power supply, reliable 28.5V DC aircraft power supply, safe airport operation, flexible towing, easy maintenance, and long-term aircraft ground service.        
It is a practical choice for customers looking for a 140kVA aircraft GPU, 400Hz ground power unit, 28.5V DC aircraft power supply, airport ground power unit, diesel aircraft GPU, or airport GSE manufacturer in China.        
FAQ    

HFGPU-140kVA23kW

140kVA 400Hz AC & 23kW 28.5V DC Towed Aircraft GPU for Airport Ground Support Equipment
The HFGPU-140kVA/23kW Aircraft Ground Power Unit AC/DC is a professional airport ground support equipment designed to provide stable 115V/200V 400Hz AC aircraft power and 28.5V DC aircraft power for aircraft ground operations.
As a reliable aircraft ground power unit, airport GPU, 400Hz ground power unit, aircraft AC/DC power supply unit, and towed aircraft GPU, the HFGPU-140kVA/23kW is suitable for airports, airlines, MRO facilities, aircraft maintenance bases, aircraft manufacturing plants, hangars, and aviation ground handling companies.
The unit adopts a towed chassis, Cummins diesel engine, intermediate frequency generator, AC output system, DC rectifier output system, OLED display, automatic cable voltage drop compensation, and multiple protection functions to support safe, stable, and continuous aircraft ground power supply.