Allison Infinitely Variable Transmission? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 12 (permalink) Old 06-24-2009, 12:24 AM Thread Starter
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Allison Infinitely Variable Transmission?

So what thoughts have you guys got on Allison licensing Torotrak's IVT design for the next Allison 1000. Would it be upgradeable to handle more power or would you be stuck at stock? Would it be able to handle more power without any upgrades? What's the ideas or thoughts on this?

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post #2 of 12 (permalink) Old 06-24-2009, 12:27 AM
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I saw the article on this is diesel power but I dont really understand how it works.

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post #3 of 12 (permalink) Old 06-24-2009, 12:51 AM
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Big, bad, CVT. There is some info out there. It's interesting but I would hate to think what they would charge for it.

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post #4 of 12 (permalink) Old 06-24-2009, 01:29 AM Thread Starter
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From what I gather there are six main parts. the first green disk is attached to the engine and spins 1:1 with the engine. the blue disks are hydraulically controlled to apply power to the middle yellow disk, the second set of blue disks are for applying power to the final green disk. The angles of the blue disks determine the speed and direction the transmission turns.

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post #5 of 12 (permalink) Old 06-24-2009, 01:31 AM
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So what determines the ratio?

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post #6 of 12 (permalink) Old 06-24-2009, 03:04 AM
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RPM and LOAD; from what I read.

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post #7 of 12 (permalink) Old 07-11-2009, 04:47 PM
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I don't know a thing about the allison i work for john deere and we came out with the ivt transmission long before anyone in cars thought about it. From my experience with these it would and ours on the jd side hold up to power much better than a conventional transmission. In theory they are much simpler and less parts to go bad. We have yet to have transmission failures in these why we are still fixing new powershift transmissions (same concept as an automatic).

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post #8 of 12 (permalink) Old 07-12-2009, 11:29 PM Thread Starter
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I knew that JD has them in certain tractors and they work very well in keeping the tractors in the optimum power range no matter the conditions. How are they at handling more horse power over stock?

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post #9 of 12 (permalink) Old 07-14-2009, 05:39 AM Thread Starter
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hmm well we can only speculate on what Allison does. With Allison's help the IVT may be viable or it could be a hunk of junk. Only time will tell.

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post #10 of 12 (permalink) Old 07-14-2009, 01:53 PM
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Honda and Nissan use them in their car with great luck. Why can't we? Most transmission are scale able, it is just primary design that makes them work or fail.
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