M sector gear -- what's up with this?

Posted by billOH on March 15, 2005 at 11:44:32 from (134.53.248.178):

I pulled the sector and worm gears today on our 1951 Farmall M. The job went itself went smoothly, but I've now run into an unexpected problem: the old sector gear is different from the "new" one we picked up in a tractor graveyard.

The old gear is on the left:

As you can see, our new gear is "half" of what the old one was. Why is this? Is the new one broken or something?

Any tips for installing the new one? I assume you want things lined up so that straight wheels have the gear right at mid-point..

Thanks in advance, fellas.

Follow Ups:

• Re: M sector gear -- what's up with this? randy hall 20:31:31 03/15/05 (0)
• Re: M sector gear -- what's up with this? Allan in NE 12:25:38 03/15/05 (2)
  • Re: M sector gear -- what's up with this? williamf 13:49:00 03/15/05 (1)
    • Re: M sector gear -- what's up with this? Allan in NE 13:58:29 03/15/05 (0)
• Re: M sector gear -- what's up with this? Bob M 12:03:02 03/15/05 (3)
  • Re: M sector gear -- what's up with this? billOH 13:31:44 03/15/05 (2)
    • Re: M sector gear -- what's up with this? Bob M 14:19:42 03/15/05 (1)
      • Re: M sector gear -- what's up with this? Andy Martin 14:45:43 03/15/05 (0)

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