Engine oils
Delo® 400 XLE SAE 10W-30 (Synthetic Technology)
ISOCLEAN® Certified Lubricants
Engine oils
Delo® 400 XLE SAE 10W-30 (Synthetic Technology)
ISOCLEAN® Certified Lubricants

A premium synthetic technology fuel economy and mixed fleet engine oil specifically formulated for on-highway applications, including 2017 greenhouse gas (GHG 17) compliant diesel engines. Formulated for newer engines while compatible with previous models.

Where to buy ›

See Delo Promotions

Services and support

Self services

Delo Smart Choice Advisor

To better understand your business needs, we've created this tool to help us find the right product for you.

Delo fuel saving Calculator

Delo means efficiency. Fuel economy without sacrificing engine protection. Save money, and lower GHG emissions

ISO Cleanliness Code Calculator

Particle contamination is the No. 1 cause of lubricant-related equipment failure. The calculator will help you take the necessary steps needed to redefine clean.

Pro services

LubeWatch Oil Analysis

Keep your equipment running better longer with LubeWatch® routine testing and analysis

ISOCLEAN® Certified Lubricants Program

Ensure your lubricants meet OEM cleanliness requirements to help minimize downtime, reduce maintenance costs, and extend equipment life.

Find a distributor near me