
Lubricants & Hydraulic Fluids
T5X® Plus Heavy Duty Diesel Engine Oil
HEAVY-DUTY MONOGRADE DIESEL ENGINE OIL Phillips 66® T5X PLUS Heavy Duty Diesel Engine Oil is a high-quality diesel engine oil designed for use in off-highway diesel equipment, farm machinery, marine engines and mixed commercial fleets.
Features & Benefits
- Excellent soot control for protection against abrasive wear and soot-induced oil thickening
- Protects against sludge and varnish formation
- Protects against scuffing and wear
- Protects against rust and bearing corrosion
- Good resistance to foaming and aeration
Applications
- Off-highway trucks, heavy equipment and farm equipment
You Might Also Need
Related Products

Guardol Ect® Diesel Engine Oil With Liquid Titanium®
Guardol ECT®, fortified with liquid titanium protection additive, is a premium, part-synthetic engine oil that was developed for use in four-stroke cycle diesel engines to meet EPA on-highway emission standards.

Super Synthetic Blend Motor Oil
Super Synthetic oil is a premium, part-synthetic automotive engine oil that is designed to provide excellent engine protection for gas-fueled and flex-fueled passenger cars that operate in all conditions.

Megaflow® AW HVI Hydraulic Oil
Used for industrial and mobile equipment operating in cold weather or locations with wide temperature fluctuations. Megaflow is a high-quality, high viscosity hydraulic oil developed for industrial and mobile equipment.

Guardol Oat HD Coolant/Antifreeze
HEAVY DUTY NITRITE FREE OAT EXTENDED LIFE COOLANT/ANTIFREEZE Phillips 66® Guardol OAT HD Coolant/Antifreeze is an Organic Acid Technology (OAT) that is intended for use and compatible with any OAT extended life heavy duty coolant/antifreeze in any diesel commercial vehicle engine or stationary engine with aluminum and other various engine metals. The advanced formulation is based on a concentrated blend of long-lasting inhibitors designed to provide up to 600,000 miles/12,000 hours* of protection against temperature extremes, corrosion, scale, rust and premature water pump failure. Guardol OAT HD Coolant/Antifreeze is available in both concentrate and prediluted 50/50 formulas. *TOP OFF: Will maintain extended life protection when added to any OAT extended life antifreeze/coolant. FLUSH AND FILL: Receive protection for up to 600,000 miles or 12,000 hours with a complete flush and fill using Guardol OAT HD Coolant/Antifreeze.
Ready to order?
Request a quote for this product — include quantity, delivery location, and any questions.
