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The WALT Power 20kW diesel generator is designed for industrial, commercial, and project-based power applications, delivering reliable prime and standby power for export markets.
Powered by a genuine DCEC Cummins water-cooled diesel engine, this generator operates at 1500 or 1800 rpm and is available in both 50Hz and 60Hz configurations, ensuring stable performance and long-term durability under continuous or intermittent load conditions.
The 20kW diesel generator is commonly supplied in a three-phase configuration and can be customized to meet different voltage requirements, including 230/400V, 240/480V, and other international standards, based on destination market specifications.
As a China-based diesel generator manufacturer and exporter, WALT Power focuses on export-ready configurations, OEM projects, and bulk procurement, providing reliable power solutions for telecom sites, industrial facilities, infrastructure projects, and backup power systems.
| Genset Model | WGP-C25/S |
| Prime Output (PRP) | 20 kW / 25 kVA |
| Standby Output (ESP) | 22 kW / 27.5 kVA |
| Engine | Cummins 4B3.9-G1 |
| Alternator | Stamford / Walt |
| Voltage | 380/400/415V |
| Frequency – speed | 50Hz – 1500 rpm |
| Phase | 3-phase (1-phase is optional) |
| Type | Silent with a soundproof canopy |
| Controller | UK Deep Sea |
| Starting Method | Auto Start |
| Fuel Tank capacity | 60 Liters |
| Fuel Consumption @100% Load (PRP) | 7.1 L/H |
| Fuel Consumption @75% Load (PRP) | 5.7 L/H |
| Continuous Running Time | Depends on fuel tank capacity and load conditions |
| Dimensions (L × W × H) | 2280×1000×1430 mm |
| Genset Weight | 1080 kg |
* Voltage options shown are typical configurations. Other voltages may be available based on destination market requirements.
• Specifications are provided for reference only and may be subject to change without prior notice.
• Dimensions and weight may vary depending on final configuration and optional components.
• For pricing, configuration options, and lead time, please contact:
Technical FAQ
Q1: Is this 20kW diesel generator suitable for continuous operation?
Yes. When configured for prime power, this 20kW diesel generator is suitable for continuous operation within its rated capacity, provided that proper installation, load management, and routine maintenance are followed. Final operating suitability will be confirmed based on the selected engine, frequency, and application requirements.
Q2: Is this 20kW diesel generator available in single-phase or three-phase configuration?
This model is typically supplied in a three-phase configuration. Single-phase output may be supported, depending on the selected voltage and load distribution requirements. The final electrical configuration will be confirmed in accordance with destination market standards and project specifications.
Brand Statement
WALT Power is an independent manufacturer and exporter of diesel generators based in China.
The 20kW Cummins diesel generator supplied by WALT Power is equipped with a genuine DCEC Cummins engine.
Cummins® is a registered trademark of Cummins Inc.
The Cummins engines referenced on this page are used as part of a complete diesel generator set integration for export and project applications.
| Genset Model | WGP-C25/S6 |
| Prime Output (PRP) | 20 kW / 25 kVA |
| Standby Output (ESP) | 22 kW / 27.5 kVA |
| Engine | Cummins 4B3.9-G11 |
| Alternator | Stamford / Walt |
| Voltage | 220/230/240/440/460/480V |
| Frequency – speed | 60Hz – 1800 rpm |
| Phase | 3-phase (1-phase is optional) |
| Type | Silent with a soundproof canopy |
| Controller | UK Deep Sea |
| Starting Method | Auto Start |
| Fuel Tank capacity | 60 Liters |
| Fuel Consumption @100% Load (PRP) | 5.9 L/H |
| Fuel Consumption @75% Load (PRP) | 4.8 L/H |
| Continuous Running Time | Depends on fuel tank capacity and load conditions |
| Dimensions (L × W × H) | 2250×1000×1400 mm |
| Genset Weight | 1060 kg |
* Voltage options shown are typical configurations. Other voltages may be available based on destination market requirements.
• Specifications are provided for reference only and may be subject to change without prior notice.
• Dimensions and weight may vary depending on final configuration and optional components.
• For pricing, configuration options, and lead time, please contact:
Technical FAQ
Q1: Is this 20kW diesel generator suitable for continuous operation?
Yes. When configured for prime power, this 20kW diesel generator is suitable for continuous operation within its rated capacity, provided that proper installation, load management, and routine maintenance are followed. Final operating suitability will be confirmed based on the selected engine, frequency, and application requirements.
Q2: Is this 20kW diesel generator available in single-phase or three-phase configuration?
This model is typically supplied in a three-phase configuration. Single-phase output may be supported, depending on the selected voltage and load distribution requirements. The final electrical configuration will be confirmed in accordance with destination market standards and project specifications.
Brand Statement
WALT Power is an independent manufacturer and exporter of diesel generators based in China.
The 20kW Cummins diesel generator supplied by WALT Power is equipped with a genuine DCEC Cummins engine.
Cummins® is a registered trademark of Cummins Inc.
The Cummins engines referenced on this page are used as part of a complete diesel generator set integration for export and project applications.

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