In 1935 Chevron (Standard Oil) marketed the first compound diesel engine oil. In 1941, Chevron developed the first diesel engine oil, with extended drain capabilities, enabling U.S. submarines to extend intervals between engine overhauls and triple cruising range. For over 80 years, Chevron and Delo have been on the forefront of diesel lubrication technology.
Delo® 400 ZFA SAE 10W-30 Delivering Excellent Protection and Improved Performance
Aggregate Haul Truck achieves over 1 million miles of life using Delo family of products.
Ozark Transportation doubled drain intervals using Delo LE 15W-40. See what they’ve saved.
Delo 400 XLE Synblend 10W-30 helps Ozark improve fuel economy. Learn how.
RE West’s truck goes 1.5 million miles without an overhaul on Delo LE 15W-40. See how clean the engine looks.
Delo motor oils and coolants help Kokosing Construction maintain its vast fleet of equipment under challenging conditions. Hear from the front lines.
Mike Papac from History® Network’s AxMen® tells us why hard work is in his blood, and why he’ll never use another oil besides Delo ever again.
For Freddy Dodge of Discovery Channel’s “Gold Rush,” reliable equipment performance is critical to his livelihood. See why he relies on Delo.
Dale Kitchens from “The Edge of Farming” has been driving tractors in the West Texas heat since he was five. Find out why he’s relied on Delo since 1978.