lost in the bush
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Why do 900 series trucks have 4 batteries ranter than the two that the Deuce?
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Batteries
- Thread starter lost in the bush
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Bigger motor and harder to start in the cold.
Stalwart
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Much bigger Diesel engine that takes more power to start.
Csm Davis
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As far as I know all five tons have four and yes they will generally work on two but if you are going to slave off other five tons you really need all four.
lost in the bush
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OK will do. however I travel and do not have a home base.. Not sure that is why I used United States Please advise.
lost in the bush
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DUH! Thank you that was too easy.
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Lots of guys run only two. If I had kept mine that's all it would have and knowing my Brother he will only put two in it as well.
He only has one battery for his DT466s (12v).
He only has one battery for his DT466s (12v).
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Massive engine with some big parts to turn and keep turning when it's cold. It sometimes takes more than a few turns to fire in extreme conditions. 809 series 5 tons also have 4 batteries.
lost in the bush
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OK.. was wondering because other big equipment only use 2.. Extreme cold weather starting will not be an issue for our buildup..Thank you for the info.
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Just for clarification, it's actually the M939 series. 
I always just run two in 5-tons if I have to replace the batteries. It doesn't get super cold here though and I usually don't run them when it's really cold out. 4 is better but that's a bunch of extra money to shell out when 2 will do.
I always just run two in 5-tons if I have to replace the batteries. It doesn't get super cold here though and I usually don't run them when it's really cold out. 4 is better but that's a bunch of extra money to shell out when 2 will do.
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Consider the design requirements. Those trucks need to be able to fire right up after being stored for how long and being dumped off who knows where.
Suppose it is Really Cold and you are trying to start that 250 Cummins. Two batteries are fine if the weather is mild, but if it is down around zero or below, the extra batteries are essential.
So the requirement is that the truck be cranked and started wherever it is. Four batteries makes sense in that regard.
If it is a pampered pet in a mild climate, you could probably start it off of a car battery.
If you want it to ALWAYS go no matter the temperature, four batteries are well worth the $$.
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Too moore batteries
I too run only 2 batteries - though I listened to those that used the trucks in anger and who were authorised to do inservice mods... So when I went to NAPA, all I was armed with was the dimensions of the two battery boxes. I took the heavy equip/truck book from the behind the counter n'er-do-well (the guy that gets the parts wrong for my work 1/2 ton pickup - leaving me stuck at the mechanics 'till the right parts can be got!) and just say "I'll have two of these please". I now have two, $220 ea,*** CAT batteries that don't take no chit from any one - regardless how stinking cold it is.
I also bought the $214 ea LED headlights (mentioned else where) as I too am pushing 50, am financially stable, and am going to enjoy my toys ****-it!
WOW - there is an auto edit on d@mn-it!!! Who'd of known. I guess you can't work out ***either?
I too run only 2 batteries - though I listened to those that used the trucks in anger and who were authorised to do inservice mods... So when I went to NAPA, all I was armed with was the dimensions of the two battery boxes. I took the heavy equip/truck book from the behind the counter n'er-do-well (the guy that gets the parts wrong for my work 1/2 ton pickup - leaving me stuck at the mechanics 'till the right parts can be got!) and just say "I'll have two of these please". I now have two, $220 ea,*** CAT batteries that don't take no chit from any one - regardless how stinking cold it is.
I also bought the $214 ea LED headlights (mentioned else where) as I too am pushing 50, am financially stable, and am going to enjoy my toys ****-it!
WOW - there is an auto edit on d@mn-it!!! Who'd of known. I guess you can't work out ***either?
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Sounds like 2 batteries will work as long as they are good big truck batteries, I would rather have the extra power of the 4 but if 2 industrial batteries will work then I might go that route, anyone use AGM? I have one in my crawler and I love it (o'reilly battery)
Csm Davis
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Yes two large truck batteries will work very well, I believe the size is d8 and you can get them at Sam's club for around 100.00
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No, 800 but same engine, same difference.
two.fiveM35
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Two of the batteries are hooked up in parallel, doubleing thier amps, basiclly making one (big) 12v battery with alot of amps. Then that (big) battery is connected in series (like flashlight batteries) to another (big) battery, doubleing they voltage to 24 volts. The amps are what is need to turn over that big engine when it's cold out.