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Alternator for C113

P

PretendFarmer

Well-known Member
I want to put in alternator on my farmall C, 1948. Had a generator on it but that was no good. It's got a 12 volt coil on it, 12 volt battery but it starts running like crap after a while and a few extra crank overs. I do believe I should get a delco 10si alternator but I'm not sure. Also, would that alternator fit an H? Thank you.
 
go on ebay.mini altenator 70 amp high output 1 wire.denso altenator,,,seen you pull today,what happened with the c tractor?
 
Pretty much any alternator will fit on a C. The mounting bracket is out in the open so there is no hood to worry about. Delco 10SI is the common one to use because they are plentiful and cheap.

Apparently you can also fit a Delco 10SI under the hood of an H. I'm not sure how, but people say it can be done with "plenty" of room.

Of course, it is not a direct bolt-in in either case. There will be some modification necessary.
 
(quoted from post at 02:22:57 08/11/14) go on ebay.mini altenator 70 amp high output 1 wire.denso altenator,,,seen you pull today,what happened with the c tractor?
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The battery voltage got low so the spark got weak. It has no alternator on it yet.
 
the mini alt is perfect for the tractors,youll probably need to modify a brkt to fit like any alt. don't think that was your problem pulling yesterday though.when your tractors running,its not running off the battery,the alt charges the battery. Im guessing the coil you put on it isn't good-or its not the 12v coil,think you still have the 6v coil on it.it will heat up after awhile and make tractor run crappy and eventually shut it down.
 
A Delco 10SI will fit under the hood of an H with plenty of room, long as your definition of plenty is a dollar-bill's thickness. Mine did fit, but boy...
 
(quoted from post at 12:42:47 08/11/14) A Delco 10SI will fit under the hood of an H with plenty of room, long as your definition of plenty is a dollar-bill's thickness. Mine did fit, but boy...
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That has been my experience also. You can shoe horn it in there but you need the correct length belt because there is no room to make any adjustment.
 
what makes you think it had weak spark while pulling? it looked good to me,it didn't have the power I thought it should have,you have the good head on it,3 1/8 dome piston.timming may be off alittle and makes it run hot,loose a little power also.youll also loose power if the valves aren't adjusted correctly on those c engines,i know you just put on the good head..also the drawbar needs to be reworked and rear tires need to be the same size.
 
(quoted from post at 22:29:13 08/11/14) what makes you think it had weak spark while pulling? it looked good to me,it didn't have the power I thought it should have,you have the good head on it,3 1/8 dome piston.timming may be off alittle and makes it run hot,loose a little power also.youll also loose power if the valves aren't adjusted correctly on those c engines,i know you just put on the good head..also the drawbar needs to be reworked and rear tires need to be the same size.
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I've adjusted the valves. Can't determine timing as there's no marks because the tractor came with a mag.
I know I need the correct tires but one thing at a time. What's wrong with the hook point? 20" up.
 
there should be a timing mark on the flywheel.the hitch height is good,but the other 2 c tractors had theirs 2 feet shorter and the one with the floater hitch won the class with full pull,no one came close.just a thought...I know you just did the motor,as the day went on I noticed the tractor smoking white,you can see pics on bragging web site.the last c I did,i had to go over the head studs 4 times,wait 15 min between torqueing,as they loosened up-things stretch-.you may be loosing power that way,then you need to go back over and readjust the valves,,just a thought,,trying to help.
 
(quoted from post at 23:28:11 08/11/14) there should be a timing mark on the flywheel.the hitch height is good,but the other 2 c tractors had theirs 2 feet shorter and the one with the floater hitch won the class with full pull,no one came close.just a thought...I know you just did the motor,as the day went on I noticed the tractor smoking white,you can see pics on bragging web site.the last c I did,i had to go over the head studs 4 times,wait 15 min between torqueing,as they loosened up-things stretch-.you may be loosing power that way,then you need to go back over and readjust the valves,,just a thought,,trying to help.
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If I seemed offended I'm not. Always up for pointers.
I plan on retorquing. I should've done it already. I'll take a closer look at the flywheel for it.
I don't think a floating hitch would fly with our other club as they specifically state that it needs to be fixed. I'm surprised no one there didn't throw a fit over that. What did you pull with?
 
ya,i had to retorqe head 4 times,wait about 15 min between.there is a mark on the flywheel for timing.i was going to bring my super c,you can see it on ur facebook..truck was in shop so couldn't bring it,but I was there..pointed out the drawbars to your wife...
 

Ok, I remember you now. I will be retorquing again and I'll hit it again after that. See how it goes. I did get an alternator for it. Should have one anyways. In hind sight I dont think there was anything wrong with the distributor. Seemed like the timing advance was working on it.
 
Hey Pretend Farmer, have look at this site.
www.charliesrepair.com
CharlieU is on here, is great guy to know, deal with etc.
He was an IH tech, vet, instructor at college for tech's.
I have brought 4 of his kits for my fleet of IH tractors.
Good luck on whatever route you go with.
 
We looked all over our Super C flywheel for a mark, both front and back. Couldn't see anything that even remotely looked like a timing mark.

If you pull the #1 plug, stuff your thumb in, and roll the engine over until you feel pressure, you can see TDC by looking in the spark plug hole with a flashlight.
 
ok=step by step...timming your c tractor...behind the oil pan is a half moon plate,take it off.now look at the plate.on that plate there is a mark,its pressed or stamped out on that plate.now with the half moon plate off the tractor,look at the flywheel,there is a mark stamped in on the flywheel, you need to line up both of those marks-flywheel and half moon cover mark to time your tractor..the mark is on the flywheel,you need to look for it,,could be rusty and may need to spray some wd40 to find it.
 
ok,i take it you found the marks,flywheel and half moon cover plate and lined them up.on the distributor,i run the tractor,loosen the distributor,turn the distributor so tractor revs up,then just back off on distributor just a little bit,not much,doesnt take much,you can hear it even out.your good to go..
 
awesome,,,great to hear it.are you going to westfield Saturday,,is it a sled,,can anyone pull,,im thinking about going but im not a member of western mass pullers...
 

It costs $20 to be a member or $10 if you want to pull with the club for 1 event. $8 per weight class. I am going.
 
(quoted from post at 23:11:05 08/13/14) awesome,,,great to hear it.are you going to westfield Saturday,,is it a sled,,can anyone pull,,im thinking about going but im not a member of western mass pullers...
Click to expand...

It's usually a stone boat pull but I'll ask if it's a transfer sled.

Edit; it's a stone boat. Westfield is a great event.
 
ok,,,i watched your tractor at the pull and knew it had problems,i was pretty right at my guesses...coil,not timed right,head needed retorquing,valves needed to be readjusted,started smoking white cause antifreeze was leaking from head.now you need to change the oil...glad it good now...wish you went with the mini one wire altinator but that's ok...good luck...
 

While I messed with the timing it seems like it's set where it was. Only 1 valve was out a little. Head torque was definitely needed but I think the coil was to blame for the most part.
 
ok good,i think all the valves were out a little,especially if the head needed to be retorqued,,don't forget to put new oil in..im sure some antifreeze got in,was starting to smoke a little white as the day went on.you should have a little more power now. p/s...I like the 140 head..did you put on the 140 manifold and carb,if not I would,the manifold will match the head ports and carb is a little better...just saying.lol
 
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