Synthetic 15W40 Motor Oil has Vis @ 100°C = 14.5 CSt, Vis @ 40°C = 97 CSt, Viscosity Index = 155, wear protection/less friction, fuel economy, high temp stability/oxidation resistance, less evaporation, & polyol ester base stock blend.

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You physically can't find a higher-quality diesel motor oil. Red Line 15W40 Motor Oil is recommended for API CJ-4/CI-4 Plus/CI-4/CF/CH-4/CF-4; is popular for Light Duty trucks including Chevrolet Duramax, Dodge Cummins and Ford Power Stroke and also for API SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4 E7/E9, MB 228.1/228.31. This motor oil is designed to provide the highest protection, efficiency, and cleanliness, as well as superior drain intervals and has excellent wear protection and friction reduction across a wide range of operating conditions. This formula has high detergency that allows extended drain intervals and provides increased cleanliness, while improved fuel economy and ring seal allow for more power. It also has superior high temperature stability and oxidation resistance that increases lubrication of hot metal compared to other synthetics. This formula is also blended with polyol ester base stocks that feature natural multi-grade properties, avoiding unnecessary additives that hinder lubricity. Produced in only one top-of-the-line grade, these products offer the highest quality available on the market today and in the widest variety of viscosity. All products are completely compatible with other conventional and synthetic motor oils.

• Fully-synthetic
• Less evaporation
• Multi-grade
• Works with conventional/synthetic oil
• Polyol ester base stocks
• High detergency, temp stability, & (VI)
• Diverse operating conditions
• Long drain intervals
• Fuel economy
• Oxidation resistance

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Information:

Recommended for API CK-4/CJ-4/CI-4 Plus/CF/CH-4/CF-4; Popular for Light Duty trucks including Chevrolet Duramax, Dodge Cummins and Ford Power Stroke; Also for API SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4 E7/E9, MB 228.1/228.31; Fully-synthetic ester formula for passenger cars, light trucks, performance vehicles and marine applications; Designed to provide the highest protection, efficiency, cleanliness and superior drain intervals; Excellent wear protection and friction reduction across a wide range of operating conditions; High detergency allows extended drain intervals and provides increased cleanliness; Improved fuel economy and ring seal for more power; Superior high temperature stability and oxidation resistance increases lubrication of hot metal compared to other synthetics; High natural viscosity index (VI) provides thicker oil film in bearings and cams; Less evaporation than other synthetics for improved efficiency and ring seal; Blended with polyol ester base stocks that feature natural multi-grade properties, avoiding unnecessary additives that hinder lubricity; All products are completely compatible with other conventional and synthetic motor oils. Typical Properties: ACEA Service Class = A3/B4/E5/E7/E9; API Service Class = SN/SM/CF/CJ-4/CI-4; SAE Viscosity Grade (Motor Oil) = 15W40; Vis @ 100°C, cSt = 14.5; Vis @ 40°C, cSt = 97; Viscosity Index = 155; CCS Viscosity, Poise, @ °C = 65@-20; Pour Point, °C = -45; Pour Point, °F = -49; NOACK Evaporation Loss,1hr @ 482°F (250°C), % = 6; HTHS Vis, cP @150°C, ASTM D4741 = 4.7.