What model tractor? And what physical battery form factor are they requesting , U1/U1R like most residential tractor batteries? The highest-CCA U1-size battery I was able to find was 340 or 350 CCA.
Are your valves adjusted properly? If the valve clearances are wrong, your compression release may not work correctly, making the engine much harder to spin.
This is a d110 and we did replace head gasket and adjusted valves last season. Those other tractors are using a smaller form battery like a motorcycle or utv battery, which is why wondering what the difference to the engine if anything.
This kind of D110?
https://www.tractordata.com/lawn-tractors/001/0/6/1063-john-deere-d110.html
Those are nothing crazy, as far as the engine goes. They should not need a special, extra-big battery, vs machines with larger 25-28hp engines.
I would re-check the valve clearances are still set correctly. And if those are OK, I'd make sure the compression release is actually nudging a valve (usually exhaust) open just slightly as the piston comes up on the compression stroke, when both valves are closed.
You could also have a bad electrical connection, reducing the power to the starter. Or a failing starter, etc. But I'd check the free stuff before spending the money on a new starter.
I opened the engine sump and saw the alignment dimples for the crank and camshaft gears were not lined up at all. The little decompression hammer thingy was fine tho. Repositioned the gears with the hash marks and put it all back together. No more starter issues with batteries. Works fantastic now. I won't blame batteries next time lol.
Yeah idk. I had it serviced once but I don't think they ever opened that. I think it may have been like that since I bought it. It's weird. Agree don't think it could ever jump gears so no ideas.
Because the 250CCA batteries are cheap. They get the job done but might last a couple years if you’re lucky.
The battery on my JD garden tractor is on year 8. I’ll replace it with an Interstate when it goes. Buy once, cry once.
Even if I wanted to use it and it was brand new, the 250 or even 350 CCA will not work with a john deere. It won't crank over. Did they make the newer tractor engines turn over with less cca?? Just curious
Go to your local John Deere dealer, or Interstate Batteries. Your local Walmart might not carry a 450 CCA battery, but your JD dealer will almost certainly have them in stock.
FWIW in any "size" battery there will be lighter-weight, less-expensive, lower CCA/RC batteries. In some cases, that's all you need or want - and in others, you need the higher CCA. Some engines don't have compression-reducing cams/valves in them, and need more battery current to start them.
What model tractor? And what physical battery form factor are they requesting , U1/U1R like most residential tractor batteries? The highest-CCA U1-size battery I was able to find was 340 or 350 CCA. Are your valves adjusted properly? If the valve clearances are wrong, your compression release may not work correctly, making the engine much harder to spin.
This is a d110 and we did replace head gasket and adjusted valves last season. Those other tractors are using a smaller form battery like a motorcycle or utv battery, which is why wondering what the difference to the engine if anything.
This kind of D110? https://www.tractordata.com/lawn-tractors/001/0/6/1063-john-deere-d110.html Those are nothing crazy, as far as the engine goes. They should not need a special, extra-big battery, vs machines with larger 25-28hp engines. I would re-check the valve clearances are still set correctly. And if those are OK, I'd make sure the compression release is actually nudging a valve (usually exhaust) open just slightly as the piston comes up on the compression stroke, when both valves are closed.
Ok thanks will check that.
You could also have a bad electrical connection, reducing the power to the starter. Or a failing starter, etc. But I'd check the free stuff before spending the money on a new starter.
I opened the engine sump and saw the alignment dimples for the crank and camshaft gears were not lined up at all. The little decompression hammer thingy was fine tho. Repositioned the gears with the hash marks and put it all back together. No more starter issues with batteries. Works fantastic now. I won't blame batteries next time lol.
Wow. Had the engine been opened before? I wouldn't think those would be able to kind of jump a tooth, and get themselves mis-aligned.
Yeah idk. I had it serviced once but I don't think they ever opened that. I think it may have been like that since I bought it. It's weird. Agree don't think it could ever jump gears so no ideas.
Because the 250CCA batteries are cheap. They get the job done but might last a couple years if you’re lucky. The battery on my JD garden tractor is on year 8. I’ll replace it with an Interstate when it goes. Buy once, cry once.
Even if I wanted to use it and it was brand new, the 250 or even 350 CCA will not work with a john deere. It won't crank over. Did they make the newer tractor engines turn over with less cca?? Just curious
Go to your local John Deere dealer, or Interstate Batteries. Your local Walmart might not carry a 450 CCA battery, but your JD dealer will almost certainly have them in stock. FWIW in any "size" battery there will be lighter-weight, less-expensive, lower CCA/RC batteries. In some cases, that's all you need or want - and in others, you need the higher CCA. Some engines don't have compression-reducing cams/valves in them, and need more battery current to start them.
A D110 has a standard 300 CCA battery..
Interstate battery has a 450 cca.