High-quality Kroon-Oil Bi-Turbo 15W-40 multi-grade engine oil, supplied in a 1-liter bottle, designed for optimal performance in a wide range of diesel and petrol engines. This advanced lubricant meets stringent API CI-4/SL and ACEA E7/A3/B4 specifications, ensuring superior engine protection, reduced wear, and extended service life. It is suitable for various applications, including passenger cars, vans, trucks, buses, agricultural machinery, earth-moving equipment, and industrial equipment, complying with key OEM approvals such as MB 228.3/229.1, MAN M 3275-1, Volvo VDS-3, and Caterpillar ECF-2/ECF-1a.