This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
轓 combines 車 (vehicle) with 番, which likely contributes a phonetic element. The exact historical development is uncertain.
A vehicle (車) with a distinctive 番 component; its meaning is uncertain, so treat it as a rare kanji to recognize by shape.
For ハン, imagine a half-built vehicle: half -> ハン, and the 車 radical reminds you it's vehicle-related.