Duracell Ultra Flooded Group 1 Heavy Duty batteries are designed to meet the quality needs for your heavy duty applications. ;The 6V Duracell Ultra BCI Group 1 battery has 520 Cold Cranking Amps to provide reliable power for your heavy duty tractor and equipment. ;Designed to replace BCI Group 1 batteries commonly found in many Ford, Dodge and Massey-Ferguson tractors;A rugged battery with anchor-locked elements that resist vibration damage and tough deep-pocket envelope separators resist shorting and extend service life. ;Engine having trouble starting? Stop by your local Batteries Plus to have your battery tested to see if it's time for a new one.;Comes with a 1 year free replacement limited warranty.