Super M starter question

Tom Fleming · Aug 26, 2009

I have a SM serial # L 505452 J. That makes it a 1953 Louisville. the starter is a 3 bolt starter with a solonoid. Is that a 6 volt or a 12 volt? Also, when did they switch over from a 2 bolt to 3 bolt starter?

jimmyjoe · Aug 26, 2009

6 volt

soybeanjoe · Aug 26, 2009

My understanding is that the switch to the 3 bolt starter was when they switched to the SMs. The way IH did things there might have been some of the late Ms with the 3 bolt starters or some early SMs with the 2 bolt starters. Sorta like the late Ms with disc brakes. IH always liked to use up all their extra parts before changing.

D Slater · Aug 26, 2009

Serial # L 504802 and higher came with 3 bolt.
Original starter used a switch with lever on top operated by a pull rod. If you have a actual solenoid mounted on top with 2 bolts and a metal strap to post, it and starter are probably from a 300 to 450 tractor or some others and could be 6 or 12 volts. Sometimes it will say on the solenoid, or have a number that could be checked. Saw tractors converted to 12 with 6 volt solenoids that worked for a long time so don't know how much difference it makes. Most 12 volt have a small extra terminal on them to send full voltage to the coil when cranking.

Super M starter question

Tom Fleming

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jimmyjoe

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soybeanjoe

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D Slater

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