N3 — outside your level filter
数+号車
Needs a numeral in front of it and takes no だ/です, so there are no forms to conjugate.
号車
goushacarriage number ~N3counter
Example sentences2
私たちの席は五号車です。
watashitachi no seki wa gogousha desu.
Our seats are in carriage 5. neutral
何号車に乗ればいいんだっけ?
nangousha ni noreba ii n dakke?
Which carriage were we supposed to get on again? casual