ALL TEMP - FLEET HD-OAT 50/50

ALL TEMP® Fleet HD-OAT 50/50 Antifreeze + Coolant is a premium, ready-to-use, ethylene glycol-based, nitrite-free Organic Acid Technology (OAT) coolant specifically formulated for heavy-duty diesel and gasoline engines. It provides reliable protection against freezing, boiling, rust, corrosion, liner pitting, and cavitation while supporting dependable cooling system performance in severe-duty applications. Its advanced OAT formula delivers high-temperature and boil-over protection up to +265°F with a 15 psi pressure cap while helping maintain extended service life. Engineered for heavy-duty trucks, buses, construction equipment, agricultural machinery, and fleet vehicles.

Features & Benefits:

• Provides high-temperature and boil-over protection up to +265°F with a 15 psi pressure cap.
• Delivers long-lasting protection against damaging rust, corrosion, liner pitting, and cavitation.
• Advanced nitrite-free OAT technology formulated without nitrites, amines, phosphates, or silicates.
• Provides extended service life and reliable cooling system performance in demanding operating conditions.
• Meets or exceeds listed performance requirements, including ASTM D6210, ASTM D7583, TMC RP 329, TMC RP 338, Cummins CES 14603, Detroit Diesel 93K217, Caterpillar EC-1, Navistar B-1, and Mack 014GS17004.
• Engineered for heavy-duty trucks, buses, construction equipment, agricultural machinery, and fleet and off-road vehicles.
• Pre-mixed 50/50 antifreeze + coolant is ready to use. Do not add water.