Hot Shot’s Secret 150K 50/50 RV CAT Engine Anti-freeze is a pre-blended, pre-charged extended life antifreeze/coolant formulated with hybrid organic acid technology (HOAT) for CAT diesel engines. It provides superior protection for all standard metal alloys found in radiator systems and offers extended service life of over 5 years or 150,000 miles.

• Pre-blended and pre-charged extended life antifreeze/coolant
• Hybrid organic acid technology (HOAT) for CAT diesel engines
• Protects standard metal alloys in radiator systems, including iron, copper, aluminum, and steel
• Compatible with both conventional and OAT-type antifreezes
• Contains no phosphates, nitrates, borates, or silicates
• Meets ASTM D-4985, ASTM D-6210, Caterpillar EC-1, and Caterpillar ELC specifications
• Provides a service life of over 5 years or 150,000 miles

Hot Shot’s Secret 150K 50/50 RV CAT Engine Anti-freeze is engineered to provide exceptional protection for CAT diesel engine cooling systems. This pre-blended and pre-charged extended life antifreeze/coolant features a proprietary blend of complex carboxylic acid derivatives and nitrite, designed to protect all six standard metal alloys found in radiator systems, including iron, copper, brass, solder, aluminum, and steel.

Utilizing hybrid organic acid technology (HOAT), the antifreeze is formulated to extend durability and compatibility with conventional inorganic salts and OAT-type antifreezes. It is free of phosphates, nitrates, borates, and silicates, and will not cause turbidity, precipitation, or reduced inhibitor effectiveness when mixed with other antifreeze products such as Dex-Cool, Texaco Extended Life, Prestone, Zerex, or Peak.

This universal pre-charged extended life antifreeze/coolant meets ASTM D-4985 and ASTM D-6210 standards, as well as Caterpillar EC-1 and Caterpillar ELC specifications. Ideal for initial fills, coolant change-outs, or top-offs, Hot Shot’s Secret 150K 50/50 RV CAT Engine Anti-freeze provides reliable, long-lasting protection with a service life of over 5 years or 150,000 miles.