| Filter Type | FS400 |
| Application | Generator |
| Duration | 986 hours |
| Oil Spec | Total SAE 40 |
| Fuel type | Diesel |
| Remarks | The generator was fitted with FS400 and ran for 986 hours. An oil sample was collected and the results showed that the oil is still fit for further use. Normal oil change interval for this generator is 500 hours. We have managed to extend the oil by almost one time. |
