Napier The office reference lego 4005 Siblings Site line visual
LEGO 4005 Tug Boat – BRICKR
Vintage Lego review set 4005 Tug Boat. - YouTube
LEGO SET: 4005 - TUG BOAT [1982] - YouTube
Tug Boat : Set 4005-1 | BrickLink
LEGO 4005 Tug Boat Set Parts Inventory and Instructions - LEGO Reference Guide
Lego 4005 Schleppboot - komplett im Kanton Zug - tutti.ch - tutti.ch
Tug boat from 1982, it still floats and has the original stickers (although it needs cleaned and one of the stickers is in the wrong location). : r/lego