BCI group 65 ( such as Motorcraft BXT - 65 - 650 ) 650 CCA ( cold cranking amps )
6x8
Motorcraft BXT - 65 - 650 is Fords " top of the line " battery for a 1992 Explorer
BCI code 40R type battery
235/70/16
oil
P235/75/R15
Open the drivers door and on the end of the door ( or the latch pillar ) you will see an information sticker . One of the things it shows is the original size of tires on your 1998 Ford Explorer from the factory
The optional size battery was the Motorcraft BXT-65-650 battery ( that's BCI group size 65 , 650 cold cranking amps ) In a 1997 Ford Explorer for the 4.0 liter OHV and the 4.0 liter SOHC engines it was the optional battery , and the standard battery if you had the 5.0 liter V8
The 2002 Ford Explorer Sport Trac owners manual shows : Motorcraft BXT - 65 - 650 ( Ford's " top of the line " battery for your vehicle )
BCI group size ( 65 ) 650 cold cranking amps ( CCA ) is the size battery from the factory
It should be similar to my 1995 Ford Explorer XLT , which is : ( 79.5 litres / 21.0 U.S. gallons )
The 2005 Ford Explorer Sport Trac came from the factory with the Motorcraft BXT-65-650 battery ( that's BCI group size 65 , 650 cold cranking amps )