I am going to be buying a new battery for the m next week after christmas and I would like to get one that fits a new battery box, BUT, I also want a battery that is going to have enough power to start the tractor in the winter. I live in washington county, NY and it can get down to -10. can anyone tell me what to look for or what you use in these conditions? Is it as simple as getting the highest CCA for that size battery? I do not want to buy junk, ill pay a bit more to have less problems later. thanks for the help
- Thread starter BigTone
- Start date
Bill Lisbon
Member
If your M is still 6 volt you can go with a 8 volt battery. I think NAPA has them. The generator should put out 9 volts to keep it charged, most 6 volt generators do.
randy hall
Member
you don't need a huge twelve volt battery to start an m in any weather. less than 300 cubic inches not very high compression being spun by a six volt start starter supercharged by a twelve volt battery.
Bill Lisbon
Member
I have a group 24 in my M. Don't get the one with the most cold cracking amps. To get more cranking amps they make the plates thinner, the thinner plates get more vibration in a tractor than in a car. The thinner plates break and short out a cell and the battery is junk.
Janicholson
Well-known Member
With respect, The 8 volt battery is going to crank well, but it is not easy to charge with a charger, nor is it likely to be a fresh battery off of the shelf (low demand) light bulbs and other components (if any) will also burn out quicker. The issue is irrelevant here because the tractor is already 12v. But I have ""fixed"" many 8 volt systems back to 6, or all the way to 12. Jim
rustyfarmall
Well-known Member
Yes, group 24. That's just about all you need to know.
Anonymous-0
Well-known Member
Original battery was called a 3, 6v of certain demensions, 12v is called a 27, go by brand name or dealer, cca (cold crank ability) & price, dont buy the cheapest, aim for medium to higher if you want it to last & be reliable in winter/cold climates.
rustred
Well-known Member
you said 12 volt so any batt the fits the box is fine cause your turning a 6 volt starter. wish i would have thought of the 12 volt starter when i was a kid as the 6 volt was always dead and had to crank it by hand. started it many times in -20 and -30 weather, just had to warm the oil with the stove ashes set under the oil pan.
Keven McNeice
New User
I have a C with an average car battery about 2 years old now (came out of my old car when I sold it). It turns it over really quickly and is almost too much, but the cold temperature hasnt seemed to bother it. I live in Thunder Bay Canada and started it today, with it feeling like -10 or so. No problems. Now since you have a larger engine I could suggest just a truck battery that will fit in your battery box. 600 CCA should be enough to get the job done.
Not sure what size of engine it is, but I know a 700 CCA battery will turn over a 4.0L at -30 without being plugged in. Had to do that one a couple times when power went out.
Not sure what size of engine it is, but I know a 700 CCA battery will turn over a 4.0L at -30 without being plugged in. Had to do that one a couple times when power went out.
TractormanNC
Member
Group 24 is about the biggest you can get in the stock battery box. Don't think a group 27 will fit.
For a 6 six volt system make sure you are using the correct battery cables. 2 awg will make any 6 volt system spin the starter at the correct cranking speed with a good battery. Then you do not need to wory about generator, starter or lights.
Merry Christmas to you out there in Red Power land
Merry Christmas to you out there in Red Power land
I would get Walmart's best battery. Take a measuring tape along to find one to fit your battery box. They're around $95.00 with an exchange battery plus tax. I have 3 in use and 2 are 10 years old and one is nine. A battery will last longer if it is used regularly. I have one in my garden tractor and it has a starter/generator. You don't get the mechanical advantage with it as you would with an electric starter that engages the ring gear on a flywheel. Hal
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