They are formulated provide outstanding engine protection under both pre- and post-1998 EPA standards for exhaust particulate emissions for on highway diesel trucks, using both high and low sulfur diesel fuels.

Chevron Delo 400 SAE 10W, 20, 30, 40 and 50 are manufactured using carefully selected premium paraffinic base oils and an optimal blend of dispersant, detergent, oxidation inhibition, anti-wear, corrosion inhibition, and defoaming additives.

Chevron Delo 400 SAE 10W-30 is formulated with ISO-SYN™ base stocks.

Applications:

Chevron Delo 400 oils are mixed-fleet motor oils recommended for all four-stroke gasoline diesel engines operating under severe service and subjected to wide variations in climactic conditions.

Chevron Delo 400 oils are excellent for use in new advanced engines developed in response to 1998 lower exhaust particulate emissions with features such as four-valve heads, turbo charging, retarded fuel injections timing, direct injection, shorter piston crowns, higher power density, peak firing pressures up and beyond 2300 psi, intercooling, full electronic management of fuel systems, and exhaust particulate traps.

Chevron Delo 400 oils are also formulated for superior performance in older engines using both normal, high and low sulfur diesel fuels.

Chevron Delo 400 oils are not recommended for use in DDC two-stroke engines.

Chevron Delo 400 SAE 30 can be used in in powershift transmissions requiring Caterpillar TO 2 or an Allison C4 fluid.

Chevron Delo 400 SAE 10W, 20, 30, and 40 are authorized by USDA for use in federally inspected meat and poultry plants as H2 lubricants with no food contact.