Phillips Gear Lubricants

Triton® Heavy Duty


Phillips 66® Triton Heavy Duty ATF is a full-synthetic, heavy-duty automatic transmission fluid designed for use in truck and bus transmissions operating under severe service conditions or in extended drain intervals. It is particularly recommended by Phillips 66 Company for use in applications where the OEM specifies a fluid providing performance capability comparable to the Allison on-highway extended drain specification.

Triton® Heavy Duty


• Excellent friction durability for smooth shifting throughout the service interval

• Outstanding oxidation resistance and thermal stability for long fluid life

• Protects against sludge and varnish formation

• Protects against wear

• High shear stability

• Protects against rust and corrosion

• Outstanding low-temperature properties for easier shifting in cold weather

• Good seal compatibility

• Good foam resistance


• Heavy-duty automatic transmissions in trucks and buses in extended drain or severe service, such as in intracity transit buses, intercity tour coaches, school buses, emergency vehicles, recreational vehicles, refuse vehicles and commercial utility vehicles