MACK COOLANTS
Mack is now offering proprietary Bulldog-branded coolants, in Heavy Duty and Extended Life form..
The Extended Life (ELC) coolant uses a carboxylate-based, organic additive technology containing nitrite and is said to deliver a service life of 600,000 miles or 12,000 hours or 48 months, with no extender needed. It’s silicate- and phosphate-free, and can be distinguished by its red color.
Mack Bulldog Heavy-Duty (HD) PF coolant is a fully formulated, phosphate-free coolant containing the first dose of supplemental coolant additives. It offers a service life of 300,000 miles or 6000 hours or 24 months and has a purple or fuchsia color.
The coolants are designed for use in a wide variety of cooling system applications, including on-road, off-road and stationary engines, and vehicles fueled with gasoline, diesel and natural gas.
The new Bulldog coolants, of course, meet or exceed the requirements of the American Society for Testing and Materials (ASTM) (ASTM D6210 and ASTM D3306), Technology & Maintenance Council (TMC) (TMC RP329 and TMC RP351), and most other major engine and truck original equipment manufacturers. That includes the Caterpillar EC-1 requirements.
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