Delo® 400 MGX SAE 15W-40 is an API CJ-4 heavy duty engine oil specifically formulated for on-highway and off-highway applications using either High Sulfur or Low Sulfur Diesel and can also provide protection for newer compliant low emission diesel engines with Selective Catalytic Reduction (SCR), Diesel Particulate Filter (DPF) and Exhaust Gas Recirculation (EGR). It is fully compatible with previous diesel engine models and previous API Oil Service Categories including: API CI-4 PLUS, API CI-4 and API CH-4.
Delo® XLC is a non-nitrited extended life Antifreeze/Coolant formulation for heavy duty and light duty diesel vehicles and equipment. Delo® XLC is formulated with an aliphatic corrosion inhibitor system available as a concentrate and a premix 50/50.
Delo® Grease ESI is a technically advanced, extended service premium grease for a wide variety of on-highway and light duty off-road applications. It is formulated with highly refined base stocks, a lithium complex thickener, rust and oxidation inhibitors, and extreme pressure and tackiness additives.
Available in NLGI grade 2
Delo® Gear ESI® are premium grade automotive gear lubricants designed for gears operating under severe temperature and load conditions, and whose SAE 80W-90 viscosity grade offers extended-drain performance comparable to leading synthetics.
Available in viscosity grades SAE 80W-90 and SAE 85W-140
Delo® Syn-Trans XE is a heavy duty truck synthetic manual transmission fluid specially formulated for extended drain and severe service and recommended for factory and service fill of heavy duty manual transmissions, such as those manufactured by Eaton and Mack.

HEAVY DUTY MOTOR OILS
Helping you achieve the best performance out of every mile and every hour by delivering extended service protection, maximizing engine durability, and minimizing operating costs.
DELO® BUMPER TO BUMPER PROTECTION
Delo® heavy-duty engine oils, gear oils, transmission fluids, and coolants are specifically formulated to meet the intense demands your vehicles face. At Caltex we have a history of heavily investing in research and development to ensure your vehicles get the utmost protection from bumper to bumper.






PRODUCT RESOURCES
DELO® HEAVY-DUTY PERFORMANCE FOR ON AND OFF ROAD DIESEL VEHICLES – Product Brochures, Segment Brochures, and Industry Brochures – And, don’t miss the Delo® Bumper to Bumper Warranty!
Our top quality Delo® Distributors are available to help you discover which products are best for your lubrication needs. In addition to offering Delo® products, many of our distributors also provide on-site service and expertise to help support your business goals.
See and hear how Delo® customers go further using the Delo® Family of Products. Delo® helps deliver bottom-line value. With scheduled use, Delo® products have minimized maintenance and equipments costs for our customers keeping their vehicles on the road longer.
Material Safety Data Sheets and Product Data Sheets provide technical information and typical uses of Delo® lubricants.
CALTEX MOTOR OILS
Caltex has over 75 years of experience in manufacturing finished lubricants with premium base oils to deliver excellent, reliable performance in a wide range of operating conditions For more Caltex lubricants visit: Caltex Lubricants.
Caltex continually works to advance marine lubricant technology, delivering maximum reliability, protection and performance to inland/coastal operations. For global and inland marine motor oils and other products and services, please visit Caltex Global Marine.
The right motor oil can extend your engine’s life, increase your fuel economy, and improve your performance. Choose the right Havoline lubricant for your car. For premium motor oils for passenger cars, learn what Havoline has to offer.