OK, not a problem.
Maybe I'm not being clear about what I'm trying to get across.
I'm suggesting that you need to do more troubleshooting before you start buying parts.
I donít know why your tractor isnít running. Sure, I can make a guess. Actually, I can make a few guesses. And unless Iím lucky, those guesses wonít help you a bit. Donít guess at the cause of the problem; guessing can get expensive. And leave you breathless chasing every guess.......it could be this, it could be that......just troubleshoot the problem and leave the guess work for buying Lottery tickets. Yes, you could have a points problem. Or a couple of other things.
I might not be able to tell you why your tractor isnít running but I sure can tell you how to figure it out yourself.
The one way that I found the best results with is to take a systematic, step-by-step approach to solving the problem, working from most likely to least likely. The trick to fixing these tractors (or trouble shooting any piece of equipment) is to be systematic about it. You need to isolate the problem step by step and work from most likely to least likely. Jumping ahead to 'so-and-so said it could be whatever' or just replacing parts usually just wastes your time and your money. I know it did for me.
And the very first thing you need to rule out is a bad battery. You have a voltmeter, so that's all you need at this point.
24 hours after you take the charger off the battery what exact voltage do you see?
If you have 75% or better percent of charge and the starter spins normally, consider the battery good.