Product Overview
125 Kva Diesel Open Generator 3 Phase is an open-frame diesel generator set with a Weichai engine and brushless alternator. It features closed water cooling, electric starting, and 380V three-phase output, suitable for construction sites, factories, commercial buildings, farms, and backup power applications.
Key Specifications

Product Highlights
Weichai diesel engine → Provides stable power output and wide spare-parts availability.
Brushless all-copper alternator → Reduces maintenance requirements and improves electrical reliability.
AVR voltage regulation → Helps maintain stable output voltage under varying loads.
Closed water cooling system → Supports continuous operation in demanding environments.
Three-phase four-wire output → Compatible with industrial equipment and commercial power systems.
Electric start with DC24V system → Enables convenient and fast generator startup.
Typical Applications
Construction Sites: Power for welding machines, pumps, compressors, and site lighting.
Manufacturing Plants: Backup or supplementary power for production equipment.
Agriculture: Operation of irrigation pumps, grain processing, and farm facilities.
Commercial Buildings: Emergency power for shops, warehouses, and offices.
Telecom & Infrastructure: Temporary or standby power for field installations.
Events & Outdoor Projects: Reliable electricity for temporary power distribution.
OEM & Customization
|
Item |
Optional Configuration |
|
Engine Options |
Weichai, Cummins, Perkins, Ricardo, and other brands |
|
Alternator Options |
Brushless alternators from different brands and insulation classes |
|
Power Rating |
Prime or standby rating selection |
|
Frequency |
50Hz or 60Hz |
|
Voltage |
220V, 230V, 380V, 400V, 415V, 440V, etc. |
|
Control System |
Manual, AMF, ATS-compatible, remote monitoring |
|
Fuel Tank |
Base tank capacity customization |
|
Canopy |
Open type, silent type, trailer type, containerized type |
|
Appearance |
Custom color, logo, and nameplate |
|
Protection |
Additional circuit breakers and safety protections |
Quality Control
• Incoming material inspection (IQC)
• Engine serial number verification
• Alternator insulation resistance test
• Control panel functional test
• Wiring continuity and grounding test
• No-load commissioning test
• 25% / 50% / 75% / 100% load-bank test
• Voltage regulation and frequency stability test
• Noise level measurement
• Final appearance and packaging inspection (FQC)
Certifications
|
Certification |
Meaning |
|
CE |
EU safety and compliance requirements |
|
ISO 9001 |
Quality management system |
|
ISO 14001 |
Environmental management system |
|
ISO 45001 |
Occupational health and safety management |
|
IEC Standards |
Generator electrical performance reference |
Packaging & Shipping
- Protective film wrapping
- Steel or wooden base reinforcement
- Export plywood case (optional)
- Container loading: 20GP / 40GP / 40HQ
- Sea freight, rail freight, or truck transport
- Shipping marks and export labels available




FAQ
Q: What is the recommended load for a 125 kVA generator?
A: For long-term operation, a load of 70–80% of rated capacity is commonly recommended.
Q: Are spare parts available?
A: Yes. Common service parts such as filters, belts, sensors, and alternator components are available.
Q: What payment terms are available?
A: Common terms are T/T 30% deposit and 70% balance before shipment.
Q: What warranty is provided?
A: A typical warranty is 12 months or 1,000 operating hours, whichever comes first.
Q: What export documents can be supplied?
A: Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, and other documents as required.
Q: Is installation guidance available?
A: Yes. Wiring diagrams, operation manuals, and remote technical support can be provided.
Q: What is the minimum order quantity?
A: 1 unit is usually accepted for standard models, while OEM orders may have different requirements.

