We don't have synonyms for wheelsman yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are wheelman, wheelsmen and wheel man.
(n) :
Alternative form of wheelman (“getaway driver”). [(automotive) A driver of an automobile, especially a getaway vehicle in a criminal enterprise.]
(n) :
Alternative form of wheelman (“getaway driver”). [(automotive) A driver of an automobile, especially a getaway vehicle in a criminal enterprise.]