Bulldog Extended Life and Heavy-Duty coolants are formulated to exacting Mack powertrain standards.
- Bulldog Extended Life coolant is silicate- and phosphate-free and delivers a service life of 600,000 miles or 12,000 hours or 48 months with no extender needed
- Bulldog Heavy-Duty PF Coolant is fully formulated, phosphate-free and offers a service life of 300,000 miles or 6,000 hours or 24 months
- Designed for use in a variety of cooling system applications, including on-road, off-road and stationary engine applications
- Suited for vehicles fueled with gasoline, diesel and natural gas