I 15869 was the highest numbered I/IA ever.
Several I/IA's (8915, 13557 possibly more) were converted to this arrangement to augment IT's in timber traffic.
In April 1970, I 14946 was converted for briquette traffic by installing this hopper.
Photo courtesy Kent Smiley
Photos (above and below) late 1970's courtesy Rob O'Regan
IA 12439 at Wallan, 1978.
