Quote Originally Posted by Bear View Post
It's been so long since I've worked on em, somehow I got to thinking it was 4-6volt batteries in series for the 24V starter. Ohwell ; )
I googled semi tractor battery wondering if there was any history to it but didn't see any. Did find an interesting read on some newer ones though, with very high starting amps, yet having deep cycle capability Truck battery technology becoming more important for tractor-trailer fleets| Fleet Owner | April 2008 | Equipment content from Fleet Owner
No 24 volt is usually just 2 12 batteries wired in series.