Key Features: Advanced Shear Stability: Maintains viscosity under severe mechanical stress, ensuring consistent lubrication and protection even under extreme conditions. Oxidative Stability: Minimizes viscosity increase due to oxidative thickening, thus maintaining optimal oil flow and engine efficiency. Enhanced Cleanliness: Significantly reduces piston deposits, promoting cleaner engine components and smoother operation. Soot and Emission Control: Offers exceptional protection against particulate filter blocking and viscosity increase due to soot, thereby enhancing the performance of emission systems. Wear Protection: Reduces abrasive wear and bore polishing, extending engine life and maintaining high performance. Fuel Efficiency: Formulated to improve fuel economy, reducing operational costs and environmental impact. Aeration Resistance: Increases resistance to air entrainment, which is crucial for maintaining oil pressure and preventing cavitation. Catalyst Protection: Prevents catalyst poisoning, ensuring the longevity and efficiency of catalytic converters. Superior Performance Over CJ-4: Provides heightened levels of engine protection and performance compared to older API CJ-4 oils. Applications: Designed for modern vehicles compliant with 2017 onwards and Euro VI emission standards, Hi-Tec Fleetmaster CK-4 Extreme 15W/40 is also backward compatible for use in older engines requiring previous API classifications such as CJ-4, CI-4 Plus, CI-4, and CH-4. This makes it an ideal choice for a diverse range of diesel engines across various industries. Specifications: API Levels: CK-4, CJ-4, CI-4 PLUS, CI-4, CH-4, SN, SM, SL ACEA Grades: E9, E7 Emission Standards Compliance: Euro I through VI OEM Approvals: Includes significant approvals from CAT ECF-3, Cummins CES 20086, Ford WSS-M2C171-F1, Detroit Diesel DDC 93K222, and more. Hi-Tec Fleetmaster CK-4 Extreme 15W/40 is your go-to engine oil for superior engine performance, robust protection, and compliance with the latest environmental standards. Whether operating in harsh conditions or aiming for efficiency in regular use, this oil delivers consistent results, protecting your investment and optimizing engine operations. Available in various quantities, it meets both large-scale and smaller operational needs, ensuring accessibility for all types of users.