, ▁each ▁for ▁two ▁persons , ▁arranged ▁in ▁b ays ▁of ▁four , ▁alc ove ▁style , ▁across ▁tables . ▁Lar ger ▁k itch ens ▁were ▁built ▁due ▁to ▁the ▁extra ▁length ▁provided ▁by ▁these ▁vehicles . ▁ ▁Three ▁matching ▁ ▁guard ' s ▁v ans ▁were ▁also ▁heavily ▁over h au led ▁and , ▁due ▁to ▁their ▁role ▁as ▁lug g age ▁v ans , ▁were ▁fitted ▁with ▁Japanese ▁K ink i - Sh ary o ▁manufact ured ▁bog ies , ▁class ed ▁X 2 7 2 5 0 ▁by ▁N Z R , ▁out ▁from ▁under ▁the ▁three ▁ ▁postal ▁v ans , ▁these ▁bog ies ▁being ▁of ▁a ▁more ▁modern ▁design ▁than ▁those ▁under car ri ages ▁at ▁the ▁time ▁and ▁su ited ▁for ▁heav ier ▁stock . ▁ ▁Four ▁ 1 9 6 0 s ▁built ▁ ▁steam - he ating ▁v ans ▁( with ▁the ▁same ▁base ▁design ▁and ▁bog ies ▁as ▁the ▁postal ▁v ans ) ▁built ▁to ▁facil itate ▁he ating ▁the ▁carri ages ▁of ▁both ▁the ▁Night ▁Limited s ▁and ▁ordinary ▁express es ▁when ▁dies el - elect ric ▁locomot ives ▁disp la ced ▁steam ▁locomot ives ▁on ▁the ▁N IM T , ▁three ▁ ▁wooden ▁box ▁w ag ons ▁turned ▁postal ▁v ans , ▁five ▁more ▁turned ▁parc els ▁v ans ▁and ▁four ▁more ▁steel ▁box ▁w ag ons ▁turned ▁par cel ▁v ans ▁completed ▁the ▁consist . ▁The ▁eight ▁par cel ▁vehicles ▁were ▁replaced ▁by ▁ 1 5 ▁box ▁w ag ons ▁of