API C1-4 10W-40 is a high-performance fully synthetic diesel engine oil designed for modern high-speed four-stroke diesel engines, including turbocharged and EGR-equipped engines. It is formulated to provide excellent protection under severe operating conditions and high temperatures.
Common Uses and Application
Heavy-Duty Diesel Vehicles: Suitable for commercial trucks, buses, and transport fleets.
Construction and Agricultural Equipment: Ideal for excavators, loaders, tractors, and harvesters operating under heavy loads.
Off-Highway Machinery: Recommended for mining, industrial, and diesel-powered equipment.
Mixed Fleet Applications: Compatible with diesel engines and some gasoline engines requiring API SL or earlier specifications.
PRODUCT PERFORMANCE
API C1-4 10W-40 provides reliable engine protection for high-speed diesel engines operating under heavy loads and extended service intervals. Its fully synthetic formula helps reduce wear, control soot deposits, maintain engine cleanliness, and improve overall engine efficiency under extreme operating conditions.
