Re: 6v vs 8v battery

Posted by John T on April 17, 2006 at 20:25:33 from (66.244.90.5):

In Reply to: 6v vs 8v battery posted by rnanorth2 on April 17, 2006 at 15:39:00:

RNA, I am NOT a fan of the 8 volt battery system. If a tractor doesnt crank well at 6 volts, I would install a heavier rated high CCA amp hr battery and use 00 Gauge Battery n Starter n Ground cables and establish good grounds.

As far as charging, if the tractor uses a simple 2 wire Cutout Relay and light switch field current control, she ought to charge maybe at a slight lower rate then at 6 volts but still work. HOWEVER if it uses a full fledged Voltage Regulator having BOTH current and voltage control relays, the VR needs to be tweaked up some to charge an 8 volt battery well.

The lights will still work (brighter) but will burn up sooner.

The Ignition Coil will run hotter plus the points will burn up a bit sooner due to increased current. However, addition of some external series ballast resistance in the ignition coils primary will cure any such problems.

If one is dead set on converting from 6 volts, I would go ahead to the more standard 12 volts n be done with it.

John T in Indiana, retired electrical engineer

Replies:

• Re: 6v vs 8v battery Leroy 05:46:53 04/18/06 (1)
  • Re: 6v vs 8v battery John T 06:15:32 04/18/06 (0)

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