Latest NwR tenders list the following for sale:
YXA Sleeper Carrier Wagons DR92611, DR92613, DR92614, DR92626, DR92636
All except 92626 are at Whitemoor. 92626 at Harwich.
"All 5 wagons have had various small components removed to provide spares for the operating fleet. The wagons are fitted with AMIII Bogies.
They must be either road hauled or dismantled on site."
YSA(B) Barrier Wagons DR92634, DR92645, DR92647, DR92650 all at Whitemoor. Apparently these are unable to leave by rail:
"The buffers on these wagons have exceeded their height tolerance defined in WAG NTSN.
The wagons are unable to leave Whitemoor on the infrastructure. Therefore, on disposal, they must be either road hauled or dismantled on site."