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RayH

Starter Generator..Delco Part Number ?

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I think these would all generally be the same. I've got 3 or 4 different delco numbers on my machines. If you gave me the block number on your engine, I am assuming it's a 300421 (12hp); if it is, I'll get you the numbers on those machines. If you have a different block number besides what I have, I can't help you that way. You might also look in the manuals on your tractor and/or possibly get the manual on your motor. First step is the numbers off your engine. Let us know.

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BLT
For the long frame SG [<<<<7-1/8">>>>] between monting holes, 1101689. This should work on the B212. If by chance you have a short frame, [<<6-1/8">>] between mounting holes, 1101689. The short frame is generally for the vertical shaft engines, but it will start the bigger engines.

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BLT
quote:
Originally posted by HubbardRA
Bob, I think you mistakenly put down the same part number for both starters.
You are correct. Short frame stater is 1101968. Thanks.

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HubbardRA
Ray, I just bought a S-G, Regulator, brackets, flywheel pulley and belt from ebay for about $35. You may want to look for one on ebay, because I don't think you could rebuild one this cheap. I also found a place on ebay at one time that sold rebuilt S-Gs and regulators. Unfortunately I didn't bookmark it.

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PhanDad
The original S/G on my 12 HP Briggs (model 301431, type 0131, manufactured Nov '71) is model 1101980. The original S/G on my '67 10 HP Briggs B-110 is also the same 1101980 model. They are the long type.

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Al
Hi, There are several numbers of each type. There are 4 types of long frame and 4 short frames and probably many more Delco part numbers than this. There are; all ball bearing, ball and bushing, long and short frame and clockwise and counter clockwise rotation. Any of the long frames that turned the right direction would be desireable for you. All ball bearing preferred. The short frames have about 25 % less torque, because the lalmination stack on the armature is about 25% shorter. My 2 cents worth and its free, value accordingly. Al Eden

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Guest
My 3112H has a problem turning over, it does it, but seems to strain. So after reading this post... I've got to inventory and review if I've got the right starters on these machines. GOOD POST! Thanks all.

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HubbardRA
Michael, I have a 10 Hp B/S that is very hard to turn over. Belt likes to slip unless it is very tight. Reason: Compression release bump has been filed off the camshaft. I don't know if this can happen from normal wear or not. Mine happened with a file.

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quote:
Originally posted by HubbardRA
Michael, I have a 10 Hp B/S that is very hard to turn over. Belt likes to slip unless it is very tight. Reason: Compression release bump has been filed off the camshaft. I don't know if this can happen from normal wear or not. Mine happened with a file.
I didn't know that Briggs had any compression release engines that large. Isn't it normally a function of a flywheight on the cam gear that causes de-compression?

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Al
Hi, If the compression relieve bump is gone from the cam, the only fix is a new cam. Regarding the slipping belt. Look at the pulley on the sg and see if it is U'd out. Second thing is check the pulley on the engine. It is common for these aluminum pulleys to wear and if the belt is bottoming out on the pulley it may need to be replaced. My 2 cents worth, its free, value accordingly. Al Eden

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