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Thread: How much power will an LT230 really take???

  1. #1
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    How much power will an LT230 really take???

    Hi all. Ok, so what I'm looking to find out is how much power and torque will an LT230 Transfer Box withstand reliably? Think along the lines of Cummins 6Bt (130 to 200 bhp depending on what I find) and somewhere around 500/600nm of torque... and you'll get an idea of where I'm going with this! I want to retain the 'full time four wheel drive' option and share the load between axles. Second option is a Nissan FD6t with about 140 bhp, torque unknown (but less than the Cummins!) thinking along the lines of an Allison Auto which will soften the load and maybe an Ashcroft Center Diff assembly.. Thoughts please!

  2. #2
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    They have survived KOH
    That's pretty torturous
    Dc

  3. #3
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    KOH? What's that? Cheers.

  4. #4
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    King of hammers. Google. I've read that the lt230 is on par with the atlas t/case

  5. #5
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    Seems the axles are the expensive part
    No project like that deserves rover junk
    Dc

  6. #6
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    Not all LT230's are created equal, nor will they have equal strength.

    Gear tooth size (module, or diametral pitch), width, helix angle and pressure angle have all been changed among the different flavours of LT230. And who knows if the material or heat treatment has changed over the years.

    Even within each of the LT230R, LT230T, and LT230Q models, where the most significant changes are, the variations in ratio will also affect the capacity in high range.

  7. #7
    n plus one Guest
    There's some Puma motors in the UK already pushing 150kw and 560nm.

    Not being used for comp work though - I would think intended usage would be a bigger factor than engine power?

  8. #8
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    Already tested to those power and torque levels. No new problems

  9. #9
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    Having just rebuilt a Lt230 my main concern was oil capacity the center diff and the output shafts . The failure of the shaft should`nt cause a TC destroying event.The gears appear up to the task depending on if steel or the usual run off the mill IMHO probably the best thing LR have ever put out
    AM

  10. #10
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    Quote Originally Posted by Vern View Post
    King of hammers. Google. I've read that the lt230 is on par with the atlas t/case

    I have heard them called the 'aussie atlas'.....

    they seem very popular with the buggy crowd.

    my td5 is making much more then 200hp and its fine, best thing to leave to rover.

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