Here is the a link to John Deere's IVT However it is really kinda old. It was last updated on 10-Mar-2006. John Deere claim's that: "The revolutionary Infinitely Variable Transmission (IVT) provides excellent performance in all farming conditions. " <A HREF="http://salesmanual.deere.com/sales/salesmanual/en_NA/tractors/2006/feature/transmissions/8030_option_code_1127_1137_ivt_trans.html" target="_blank">http://salesmanual.deere.com/sales/salesmanual/en_NA/tractors/2006/feature/transmissions/8030_option...</A> Don't think that they will be needing Torvec's tech any time soon.