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Trunk Piston Engine Oil

SAE 10W40 – Diesel Engine Oils


Shield’s Marine Trunk Piston Engine Oils (TPEO) are designed for use in medium speed diesel engines operating on residual fuels in marine, power generation and industrial applications. The superior additive technology used in these oils provides excellent engine cleanliness and wear protection under different operating conditions. These oils are available in SAE 30 and 40 viscosity grades with a Total Base Number (TBN) ranging from 30 to 55.

Grades Available