This page provides detailed fuel consumption data for a 50kW Diesel Generator. All data is based on Huaquan Power test reports and Cummins/Perkins engine shop manuals.
50kW Fuel Consumption Table
| Load (%) | Power Output | Fuel Consumption (L/h) | Fuel Consumption (kg/h) | Runtime (500L Tank) |
|---|---|---|---|---|
| 25% | 12 kW | 2 L/h | 1 kg/h | 250 hours |
| 50% | 25 kW | 5 L/h | 4 kg/h | 100 hours |
| 75% | 37 kW | 8 L/h | 6 kg/h | 62 hours |
| 100% | 50 kW | 12 L/h | 10 kg/h | 41 hours |
| 110% | 55 kW | 13 L/h | 11 kg/h | 38 hours |
Factors Specific to 50kW Generators
For 50kW generators, pay attention to:
- Engine Selection: Cummins QSK series offers 5-8% better fuel efficiency than comparable engines
- Ambient Temperature: Above 40°C, fuel consumption increases by 3-5%
- Altitude: Above 1000m, diesel engines don’t lose power (unlike gas), but cooling efficiency drops
- Maintenance: Replace fuel filters every 500h to maintain optimal consumption
Real-World Case: Huaquan Project Data
In Huaquan’s global projects, we’ve measured actual fuel consumption for 50kW generators:
| Project Location | Application | Measured Fuel (L/h) | Notes |
|---|---|---|---|
| Southeast Asia | Manufacturing plant | 8 L/h @ 75% load | With cooling load included |
| Middle East | Data center | 9 L/h @ 75% load | High ambient temperature |
For a personalized fuel cost estimate based on your local diesel price and operating hours, contact our technical team.
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💡 Need a customized solution? Contact our engineering team for project-specific recommendations.



