The New
Xdrive should be available in any of the cargo/dock trucks. The reason that it was created is because the new vans from Ford, Nissan, ect do not allow
anything to penetrate the firewall of the engine compartment. Doing so will void the warranty on the entire vehicle. Therefore
CDS type units will never be able to be used in the newer style vans, slide ins are not a problem. Also I believe the engines of the ford vans sit transverse in the engine compartment instead of the traditional inline placement, making a shaft connection difficult but not impossible. I don't know about the placement on the Nissans.
Cleanco, Hydromaster, and Saphire are all still making the traditional
CDS unit that we are accustomed to but they are only available for the Chevy and GMC cargo vans. They will also fit into a dock truck but will require more tweeking of the PTO to make them work.
It has been a mad scramble to find a solution to the penetration problem in the newer vans and it will be a problem going forward. The new style vans are not going anyplace soon, Chevy has said they will discontinue the Express van but have pushed that date off several times as they are selling the vans as fast as they can make them. Last I heard 2020 or so for the final Express van, but who really knows.