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rustred 10-23-2009 19:58:41 72.172.100.113 147011 Report to Moderator	somebody is sure blowing smoke here!i have never heard of this"voltage is what makes it crank faster". so why dont you take your 12v out of your lawn tractor and see if it will turn that tractor over.i dont think so.2 6v @ 675 cranking amps times 2= 1350 cranking amps. one or two 12v at 1000 c.amps ea = 1000 c. amps.to get the same amps you need to get into the big cat. batterys, where do you mount them on a 730?they came from factory with 2 6v and those tractors started for years, and now what? they wont because of 6v, give your head a shake. the higher the amps the faster it will spin!another thing 2 12v are twice the money as 2 6v.if the tractor is in decent shape they start in a few spins, not nesessary to crank and crank which is hard on starter.i will stick with the two 6v in series because they crank the engine over faster than 1, 2, or 10 hooked in parallel.i am talking new batts. and 00 cables. [Reply]   [Send Email]
John Saeli 10-24-2009 06:07:57 69.207.82.93 147028 Report to Moderator	Re: Case 730 Comfort King - Battery Cables in reply to rustred, 10-23-2009 19:58:41   OK, here goes another way. Compare electricity to water. You have a large tank of water, 2,000 gallons, but a small pump that will only generate 45 PSI out of a 2" hose. Next, over here we have a 1,000 gallons of water, but a pump that will blast out 90PSI out of a 2" hose. Which will knock you on your back? Compare the tank of water to amperage, & the PSI to voltage. Amperage is the volume, but voltage is the pressure.   [Reply]   [No Email]
JGarner 10-24-2009 07:13:36 70.139.191.4 147030 Report to Moderator	Re: Case 730 Comfort King - Battery Cables in reply to John Saeli, 10-24-2009 06:07:57   Good analogy, I was trying to think of a good way to explain this. Our '63 830 (higher hp but essentially the same as a 730) used two 12v batteries, never paid attention if the were in series for 24v or parallel for longer cranking and to still have enough push to crank after the manifold heaters were used. All I know is that they started the old girl at 20 below or so.   [Reply]   [Send Email]