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Thread: LT77 confusion

  1. 26th May 2010, 09:51 PM #1
    steveG's Avatar
    steveG
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    LT77 confusion

    I've got a 200tdi and LT77 in my County. Its a 56A serial no. box, so long stick (defender) according to the info on Ashcrofts site.

    The vehicle came with a spare LT77, a 52A serial box, so also long stick.

    Problem is, the spare box is about 5" longer in the input shaft and bell housing. Does that mean its from a V8 and therefore no use to me, or can I swap the input shafts over if the one I remove from the vehicle is OK?

    The gearbox that's currently fitted has basically no synchro in 2nd and not much in 3rd, but apart from that doesn't make any nasty noises. A little bit of a bearing noise in neutral, but not bad.

    What are my likely options?
    Also, any idea what a price a reasonable used gearbox would be, and the best place to get one if required?

    Steve
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  2. 26th May 2010, 10:09 PM #2
    slug_burner
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    Yes I think that is correct V8 v tdi thing. You will find the gear selector arrangement differs from disco to defender on the R380 so probably the same for the LT77.
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  3. 27th May 2010, 04:27 AM #3
    ashtrans
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    Hi,

    both are long stick boxes,

    the 56A is the 200 tdi defender

    the 52A is the early 3.5 RR classic

    you can't just swap the pinions as they are a different thickness,

    also the 56A will be a later stronger suffix G or H and the 52A will be the early weak suffix D,

    Dave
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  4. 27th May 2010, 07:05 AM #4
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    steveG
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    Thanks Dave.
    Sounds like either repairing the 56A box or replacing with a reasonable condition used one is the way to go.

    Is there a big cost difference between repairs to a suffix G or H box?

    Steve
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  5. 29th May 2010, 09:00 AM #5
    AKW
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    I have a lt77 in my 200tdi disco. Have been quoted $5000 and $6500
    from 2 ind, Melb LR outfits to remove rebuild and refit tx and transfer
    with new clutch.
    Better than a unknown second hand box.


    Andrew
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  6. 29th May 2010, 09:23 AM #6
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    steveG
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    Quote Originally Posted by AKW View Post
    I have a lt77 in my 200tdi disco. Have been quoted $5000 and $6500
    from 2 ind, Melb LR outfits to remove rebuild and refit tx and transfer
    with new clutch.
    Better than a unknown second hand box.


    Andrew
    Thanks for the info, but we obviously have a different view on spending $5-6K.
    That money is close to the value of the Disco in reasonable condition.
    I'd take a chance on a on a used box for a few hundred from a reasonable source any day rather than spend that sort of money on that vehicle.

    Steve
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