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  1. M

    B7100 Sector Shaft Replacement

    When I first replied I didn’t expect to get any sort of response to a 10 year old thread! Thanks to everyone who’s chimed in. unfortunately I think the plot thickens, I’m not sure we’ll ever find an answer to the mystery sector! But thanks Kubotasam for replying, really wasn’t expecting you to...
  2. M

    B7100 Sector Shaft Replacement

    Now everyone’s as confused as I am. Thanks again everyone for helping. Ever since I’ve owned the tractor I knew the steering needed fixing and I’ve tried many many times over the years to get to the bottom of what’s going on and I’ve always drawn a blank. I think unless the OP magically...
  3. M

    B7100 Sector Shaft Replacement

    Ok, I’ve attached some pics of the old broken sector and the correct replacement which doesn’t fit, along with a pic of the replacement in the steering box. You can see a gap around it in the housing. It may be possible to get a bearing of the correct size to replace the oil seal and hold the...
  4. M

    B7100 Sector Shaft Replacement

    Thanks for helping, this makes a lot of sense. I’ll reply in an hour or so with some updated pics and measurements and hopefully the serial number.
  5. M

    B7100 Sector Shaft Replacement

    Thank you for helping, I’ve emailed the Kumar bros a couple of times with no response, which is a shame as they have exactly what I need. I had a quick look on the other website but nothing came up but I’ll try again later.
  6. M

    B7100 Sector Shaft Replacement

    Thanks, I’ll certainly contact them as I suspect replacing the whole thing would be a lot easier, although finding the right one has proven difficult. Will post the serial number tomorrow when I get up. This is a link to what looks like the exact same steering box as mine. But I can’t find...
  7. M

    B7100 Sector Shaft Replacement

    I was hopeful the user kubotasam would see my post as under his profile it said he was last active yesterday. But as I’m new to this type of forum then maybe I’m wrong. it’s very late here but I’ll post more pics tomorrow to try and explain better. In my steering box the shaft behind the...
  8. M

    B7100 Sector Shaft Replacement

    I’ve bought two sectors of the correct part number for the correct model, which are exactly the same as the two you linked, exactly the same dimensions and they are both too small, they are literally completely different shafts. This is what’s confusing the situation, I suspect at some point the...
  9. M

    B7100 Sector Shaft Replacement

    Hi, I measured the blue part, I suspect the red area may be a little narrower but my problem is the other end is considerably narrower and I can’t find a single sector like mine. I’ve attached a couple more pics to show you what I mean.
  10. M

    B7100 Sector Shaft Replacement

    hi, thanks for your reply. Unfortunately neither of these will fit as my sector has two different diameters, where as the original b7200 is 22mm at both ends. My one is 27mm at the main shaft before the splines and 22mm at the other end where the adjustment screw goes. This seems to match the...
  11. M

    B7100 Sector Shaft Replacement

    hi, I know this is a long shot as this is a very old post, but I to have broken my sector on my b7200 and I’m having a nightmare trying to find a replacement as I don’t think my steering box or it’s contents are original to my tractor. The original parts are too small and my sector has a...