I had been looking at batteries over the past few weeks to power my winch. I was in Houston and picked up a military battery with more cranking amps than the boat batteries. I will keep you posted on how it works out.
Metal Recycling Entrepreneur
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I had been looking at batteries over the past few weeks to power my winch. I was in Houston and picked up a military battery with more cranking amps than the boat batteries. I will keep you posted on how it works out.
Rural scrapper
I always just run semi batteries. Can get em around 100$ new, but I usually trade a couple junk car batteries for one used semi at the local parts house. Often when semi batteries are replaced, up to 4 of them but usually 3, they replace all them all, but only one is really bad. Good way to get tough batteries on the way cheap.
Alvord iron and salvage
3rd generation scrapper and dam proud of it
Metal Recycling Entrepreneur
Aren't those 6 volt?Originally Posted by taterjuice
Keeper of the Cooler!
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Ever try using a golf cart one Ocedy? They come in 6, 8 an 12 volt.
Semi trucks use 12 volt, 4 of them. A semi truck uses 12v battery or 24v? - Yahoo Answers Answered by a trucker pushing a western star.
Sirscrapalot - Truck on!
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Look forward to hearing how they work out for you. Tater, we are not lucky enough to have good used batteries, farmers use them until the end and their life ends on an electric fence.
Metal Recycling Entrepreneur
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Tater its a 12 volt. From what the guy told me. I'm putting it on today. I paid $50 for it and it has a 6month warranty. That is what I had budgeted for one. I have to unload my trailer. I got lucky and picked up a load on yesterday. I'm going to sort and wait till the price goes up.
Rural scrapper
Yeah semi batteries Are 12 volt too.
Metal Recycling Entrepreneur
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
Rural scrapper
No 24 volt is usually just 2 12 batteries wired in series.
Metal Recycling Entrepreneur
Are you sure yours is 12? Somewhere what I read was that the only true 24v systems(including 24v batteries) are military
Keeper of the Cooler!
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military an I believe big buses, Bear are true 24 volt. Hence why the truckers use 4 of them. It's the same with an rv. Which is why I asked if he tried using a golf cart one. Folks in rv's use'm for the deep charge ability, an last a lot longer then the normal ones. Not sure if I explained that right, but we already know I'm confusing enough.
Good luck OP.
Sirscrapalot - I do not agree with what you have to say, but I'll defend to the death your right to say it. - Voltaire
Rural scrapper
Semi are 12 volt, 3-4 batteries in parallel. Buses and military usually are 24 volt, which is usually 2 12 volt batteries in series. Which the exception of old Mack trucks, early 70's vintage, I've never seen one that that was 24 volt. That old Mack was positive ground, too. I have seen some 12 volt tractors that use 2 6 volt batteries in series.military an I believe big buses, Bear are true 24 volt. Hence why the truckers use 4 of them. It's the same with an rv. Which is why I asked if he tried using a golf cart one. Folks in rv's use'm for the deep charge ability, an last a lot longer then the normal ones. Not sure if I explained that right, but we already know I'm confusing enough.
Good luck OP.
Sirscrapalot - I do not agree with what you have to say, but I'll defend to the death your right to say it. - Voltaire
Metal Recycling Entrepreneur
They're strictly military Tater, to discourage theft and pilfering
Rural scrapper
Not exactly, currently yes. Back in the late 60's or early 70's, Mack semis were a 24 volt positive ground. I've ran into a couple like this.
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I ran heavy equipment for 8 years and we done our own service work. I ran a john Deere 670 road grader for two years of that, I'm pretty sure it was a 24v, that was an 80s model so it may be old enough. To be honest I can't remember about the excavators.
expect the worst and hope for the best
cory couch
c & c recycling
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Metal Recycling Entrepreneur
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Funny....most of the heavy equipment I have dealt with use two-12V batteries in series for 24V. The alternators are always 24V.
I can't imagine that highway tractors are much different. The higher voltage just works so much better for everything.
The only 24v system I saw that was different from this was on a Russian farm tractor I have (a Belarus). It uses 24V on the starter but charges at 12V and everything else was 12V. It has some weird wiring to accomplish this.
Jon.
Rural scrapper
Modern semis are all 12 volt, with maybe an exception of semis built for the military, period.
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