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1650 12v or 24v ?

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James

10-07-2001 07:14:50




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I just bought a 1650dsl. It had no batteries on it. Does it have a 12 volt or a 24 volt system? How do I hook it up?




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Ed

10-10-2001 11:14:04




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 Re: 1650 12v or 24v ? in reply to James, 10-07-2001 07:14:50  
I really doubt the you need 1400. I can start a 1800 D with a really good car battery, my 686 D will start with the same battery (around 800 or 900 cca's). On a 966 I switched from 2 6v to one big 12v (1100 or 1200 cca's). It looked like the 2 6v's I had but in one case.

Everyone went to 12v batteries because corosion is more of a problem in 6v systems. With two batteries you have two 6V conection points that will cut down on the available CCA's delivered to the starter.

I would guess that they really only need 800 CCA's or less at the starter.

The 1400 is probably from some formula that gives you the 800 to the starter over a period of time assuming corosion and inefficency in the circuit.

Also batteries are a lot better today then they were when the 1600 was built. They have gotten smaller with more punch.

Go with the one battery system.

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Virginia Doenges

10-09-2001 11:57:32




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 Re: 1650 12v or 24v ? in reply to James, 10-07-2001 07:14:50  

I have an Oliver 40 chilled plow
need measurements for restoring
wooden part. willing to pay
reasonable amount for plans



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DuaneW

10-08-2001 06:58:09




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 Re: 1650 12v or 24v ? in reply to James, 10-07-2001 07:14:50  
They are 12v, however, I would NOT replace the 2 6v batteries in a series on a diesel. Service manual states that 1,400+ cranking amps needed. Good luck finding a 12v battery with that kind of kick. Put 2 John Deere 6v's with 900+ cca's in mine. Turns over nicely. YOU WILL NEED THE KICK IF YOU ARE GOING TO USE THE TRACTOR IN THE WINTER.
Duane



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Jason

10-08-2001 10:57:16




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 Re: Re: 1650 12v or 24v ? in reply to DuaneW, 10-08-2001 06:58:09  
First of all, I would stay away from John Deere batteries, they are made by Exide. I would not run an Exide battery in a tractor that you need to depend on. We have 3 1850 Olivers with Perkins A6-354 diesels, and ours start all winter with one 12 volt battery. The battery you want is an Interstate 31P-PHD, it is 950 CCA. Make sure your starter and charging system work good too.

I have had people convert their 2-6 volt series batteries to 1 12 volt, and they have been very happy. What is gained by two 6 volts in series is 100 amps reserve, but the cold crank amps stays the same. If you have a good running tractor, the 1 31P-PHD is all you need.

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JD70Jim

10-09-2001 11:26:17




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 Re: Re: Re: 1650 12v or 24v ? in reply to Jason, 10-08-2001 10:57:16  
Jason:

What is wrong with John Deere Batteries? Made by EXIDE or whomever, what is wrong with them? The type 3ET 12v batteries which my diesel tractor uses have 774/650 cca and the alternatives are batteries which have 450-550 cca! Granted, those are autoparts' stores and TSC's batteries but still---what is wrong with the John Deere Batteries?



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DuaneW

10-08-2001 07:02:15




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 Re: Re: 1650 12v or 24v ? in reply to DuaneW, 10-08-2001 06:58:09  
Forgot to say that that was 900+ cca's each. On series batteries you add everything, meaning 2 6v batteries with 900 cca's would equal 12v with 1800 cca's. Two 12v batteries in parralell would crank longer that 1 12v, but you would not have the incrase in power to your starter.
Duane.



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Dave N

10-07-2001 12:12:08




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 Re: 1650 12v or 24v ? in reply to James, 10-07-2001 07:14:50  
12 volt mine has 2 6v batterys wired to 12v hook the + from one bat. to the neg of the other bat. with a jumper then hook the neg. on the 1st. bat to the ground and the pos. from the 2nd bat to the starter. Or just get 2 12v bats. and hook + to + and -to -



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Hal

10-08-2001 07:48:11




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 Re: Re: 1650 12v or 24v ? in reply to Dave N, 10-07-2001 12:12:08  
Not a good idea to put batteries in parallel. If one becomes defective, shorts etc, it will ruin the good one. Use 2 six volt in series; if you have battery problems you can check out which one is bad.



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