Armor TRANS Super High Performance Diesel Engine Oil the latest highest quality based diesel engine oil specially formulated with OEM approved additive technology for use in high speed, four stroke engines designed to meet exhaust emission standards. This oil is especially formulated in order to allow prolonged intervals between oil changes and to reduce fuel consumption and suitable for the lubrication of all four stroke diesel engines, normally aspirated as well as turbo-charged, even when working in particularly severe conditions. It provides protection against oil thickening, high temperature, sludge build up, oil degradation, corrosion and good shear stability.