most companies are having to drop from 6 cyl to 4 as part of emissions changes for tier 4 final. We're starting to see CNH start limiting 6 cyl options. While 4 cyl has not been greatly accepted in NA, it has been in Europe. They say its possible to tune them to run just as well.

it will have flange or bar axles. They also talked about a kit to attach a bar to the flange axle so you can convert them. Apparently the flange is strong enough to support that.