Fuzhou Hosem Power Co., Ltd. supply 20kW / 25kVA diesel generator powered by Cummins brand diesel engine, which is made by Dongfeng Cummins Engine Co.,Ltd. The supply range of 20kW Cummins diesel generator set as follows:
1. Standby Output of Cummins Diesel Generator Set: 28kVA / 22kW at 50Hz
2. Prime Output of Cummins Diesel Generator: 25kVA / 20kW at 50Hz
3. Voltage: 400 / 230V (Optional voltage from A.C. 110A to 690V)
4. Rate Current: 36A
5. Cummins Diesel Engine Model 4B3.9-G2 Max. Output 27kW at 1500R.P.M.
6. Hosem Brushless Alternator Model ASF 184 FS
7. Automatic Control Panel with Smartgen Controller Model HGM6110N
8. 63A Breaker for 20kW Cummins Diesel Generator
9. Base Frame Tank with Capacity at 100Litres for diesel generator continue run for more than 12hours at 100% load.
10. Cummins Original Cooling System with Radiator
11. Denyo Design Soundproof Canopy with Noise Level at 70dBA.
12. Two of Free Maintanance Battery Capacity at 60A.
13. Domestic Muffler for reduce the noice of diesel generator.
14. Each Two Dampers for Diesel Engine and Alternator
15. Emergency Stop Button
16. Supply fully protection of the diesel generator, such as Overload, Under / Over Frequency, Unver / Over Voltage, High Coolant Temperature, Low Oil Pressure, Over/Under Speed, etc. 
Specification of the 20kW Cummins Diesel Generator Set:
| Model | A-C28 | |
| Max. Power | kVA | 28 |
| kW | 22 | |
| Rate Power | kVA | 25 |
| kW | 20 | |
| Frequency | Hz | 50 |
| Rate Voltage | V | 400/230 |
| Rate Current | A | 36.1 |
| Fuel Tank Capacity | L | 100 |
| Dimension For Open-type Genset | mm | 1770 X 830 X 1350 |
| Weight For Open-type Genset | kg | 780 |
| Dimension For Soundproof Genset | mm | 2300 X 900 X 1250 |
| Weight For Soundproof Generator | kg | 1050 |
| Noise Level for Soundproof Generator at 7M | dBA | 70 |
| Battery | Two of 60Amps Free Maintenance Battery | |
Specification of the Cummins Diesel Engine:
| Engine Manufacturer | Dongfeng Cummins Engine Co., Ltd. | |
| Engine Brand | Cummins | |
| Engine Model | 4B3.9-G2 | |
| No. of Cylinder | 4 Cylinder in line | |
| Aspiration | Naturally Aspirated | |
| Governor | Electric | |
| Engine Max. Output Power | kW | 26.4 |
| Displacement | L | 3.9 |
| Compression Ratio | 17.3 : 1 | |
| Starting Voltage | V | 24 |
| Bore | mm | 102 |
| Stroke | mm | 120 |
| Lubrication Oil Capacity | L | 11 |
| Intake Air Flow | L/S | 33 |
| Fuel Consumption at 100% Load | L/H | 7.1 |
Specification of Brushless Alternator:
| Alternator Manufacturer | Fuzhou Hosem Power Co., Ltd. | |
| Alternator Model | ASF184FS | |
| Alternator Brand | Hosem | |
| Rate Output | kVA | 25 |
| Frequency | Hz | 50Hz |
| Altitude | M | ≤1000 |
| Insulation | Class H | |
| Automatic Voltage Regulation | SX440 | |
| Protection Grade | IP23 | |
| Alternator for optional | Leroy Somer, Marathon, Mecc Alte and Stamford Brushless alternator for optional | |
