Argol truck engine oils meet many specific requirements, including providing reliable protection for heavily loaded diesel engines and compatibility with modern exhaust emission control systems. Diesel engines require the use of specific lubricants, where the content of sulfur and phosphorus compounds is strictly regulated, and ash content is limited. At the same time, oils should be cost-effective, with high mileage, this makes a noticeable difference in the cost of car fleet maintenance. The Argol product line provides an optimal ratio of performance and cost due to the high quality of oils and a competent choice of additive package, as well as reliable protection against counterfeiting.