Bus no. 154: monitoring through oil samples
A fresh sample and sequential in-service monitoring results for Diesel Force Ultra 10W-40.
Conditions and resultsSupporting documents · 4
Laboratory observations for each test report
Test report No. 639793 · 23.05.2023
The reported parameters are typical of an engine oil and are within normal limits. More accurate interpretation of the results requires comparison with this product's certified properties.
Test report No. 646086 · 13.06.2023
All oil parameters are within normal limits. Continued use is possible.
Test report No. 658809 · 12.07.2023
Copper content is critically elevated. Oil viscosity is slightly reduced. The other oil parameters are within normal limits. An oil change is recommended.
Test report No. 712737 · 12.12.2023
Copper content is elevated. Oil viscosity is slightly reduced. The other oil parameters are within normal limits. During further operation, pay close attention to changes in oil viscosity and copper accumulation. Carry out fuel system diagnostics. Repeat oil testing after a short period of operation.
