A Motor Machine Gun Battery was provided to some Divisions to provide additional mobile machine gun assets.
No. 9 Battery, Motor Machine Guns, went to France with 12th (Eastern) Division and disembarked at Le Havre on 30 May, 1915.
As a unit of the 12th (Eastern) Division, it will have taken part in the following battles and engagements.
| 1915 | |
| 01 to 08 October | Battle of Loos [XI Corps, First Army]. |
| 13 to 19 October | The Quarries (Hulloch) [XI Corps, First Army]. |
| 1916 | |
| 02 to 18 March | Hohenzollern Craters [I Corps, First Army]. |
The unit left 12th (Eastern) Division on 20 June, 1916, and joined II ANZAC Corps at Blaringhem.
