What is john deere's most expensive tractor?

Currently the largest Deere tractor in mass production is the 9630 articulated or tracked tractor with a 13.5 litre JOHN DEERe diesel engine producing more than 500 HP th

Currently the largest Deere tractor in mass production is the 9630 articulated or tracked tractor with a 13.5 litre John Deere diesel engine producing more than 500 HP through a multi speed powershift transmission