Warrimoo was the subject of a claim that she crossed the intersection of the International Date Line and the Equator precisely at the turn of the year from 1899 to 1900.

In the collision some of Catapulte's depth charges broke loose and fell into the sea, where they detonated and sank both ships.

[1] Swan, Hunter also built a sister ship, Miowera, which was launched on 25 July and completed in October.

[citation needed] In 1916 Khiam Yik & Co Ltd of Singapore, a company controlled by Tan Kah Kee, bought Warrimoo.

[citation needed] In May 1918 Warrimoo was part of a convoy carrying troops from Bizerte (Tunisia) to Marseille (France).