Natalie from Categorization Project has created the Gutenberg(1863) ship category but advised me to post here to request individual voyage category.
The sailing was 3 or 4 Jul 1874, here are passenger lists:
https://freepages.rootsweb.com/~nzbound/genealogy/images/Gutenberg_1874_Port_Lyttelton.pdf , https://www.familysearch.org/ark:/61903/3:1:S3HT-DBRS-VSV
Category: Gutenberg, sailed 3 Jul 1874
Etienne has been added