Good Morning! Some pictures as provided by GlobalSecurity.org.
M983 with M860A1 Semi, note this system can be left unmanned and still be launched via data link (DLC) from a launch station.
This is the M985E1 its purpose is to provide resupply to Patriot Batteries in the field. It has it's own integral crane for transfer of the Patriots with a carry capacity of four missiles. It is designated as a Guided Missile hauler.
Hope this is useful.
V/R
Pat