Checking H4 magneto model interchange

Posted by Crazy Horse on September 21, 2012 at 14:04:40 from (108.173.38.154):

My friend has an IHC magneto repair manual. It says the H4 mags with NO letter after the numbers are for models A,B,H,M,W4 and W6. Does that make sense? For example something like H4-3547603 might be a mag serial number that works on all that stuff. These have a drive plate clockwise rotation when viewing from the front of the tractor (or when viewing the drive-plate when the mag is off the tractor).

Other mags for other models have a similar serial number setup but there is a letter after the numbers, like maybe H4-3547603 D (or something like that). These have a counter-clockwise drive plate rotation when looking from the front of the tractor (or looking at the drive plate when off the tractor).

Am I interpreting this information correctly? And are mags from all those models I mentioned without the letter at the end interchangeable between tractor models?

Replies:

• Re: Checking H4 magneto model interchange Tom Fleming 08:47:09 09/22/12 (0)
• Re: Checking H4 magneto model interchange Bouncer 15:15:39 09/21/12 (4)
  • Re: Checking H4 magneto model interchange teddy52food 19:22:59 09/21/12 (1)
    • Re: Checking H4 magneto model interchange Bouncer 19:32:18 09/21/12 (0)
  • Re: Checking H4 magneto model interchange Crazy Horse 15:27:57 09/21/12 (1)
    • Re: Checking H4 magneto model interchange Bouncer 15:56:03 09/21/12 (0)

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