| No. | In Service | Withdrawn | Condition |
| OO 1 | Use as loco van at Seymour - c1916. Use as loco van at North Melbourne - c1925. Converted to HH 1 - 7 November 1957 | ||
| OO 2 | Use as breakdown van at Bendigo - October 1912. Use as loco van at Geelong - c1934. Converted to HH 2 - November 1957 | ||
| OO 3 | Use as breakdown van at Port Melbourne - September 1911. Use as loco van at North Melbourne - c1933. Converted to HH 3 (1st) - November 1957 | ||
| OO 4 | Use as breakdown van at Geelong - October 1912. Use as loco van at Ballarat - c1933. Converted to HH 4 - November 1957 | ||
| OO 5 | Use as breakdown van at Ballarat - November 1911. Use as loco van at Bendigo - c1934. Converted to HH 5 - November 1957 | ||
| OO 6 | Use as breakdown van at Seymour - October 1912. Use as breakdown van at Flinders St - c1926. Use as loco van at North Melbourne - c1934. Converted to HH 6 (1st) - November 1957 |