Tractagri S5R 10W-40 has been especially developed for agricultural Diesel engines that meet European standard Stage V and American standard EPA Tier 4 final or lower emission standards. Thanks to its many approvals, Tractagri S5R 10W-40 can lubricate all engines to any brands or types: lubricants needed for both Stage V & Tier 4 engines (and below) are rationalized into one product.