| Regimental number | 50752 |
| Place of birth | Mildura Victoria |
| Religion | Church of England |
| Occupation | Stockman |
| Address | Charleville, Queensland |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Mother, Mrs A Gruhl, Oakspring Valley via Pittsworth, Queensland |
| Enlistment date | 13 January 1918 |
| Date of enlistment from Nominal Roll | 13 April 1918 |
| Rank on enlistment | Private |
| Unit name | Queensland Reinforcement 1 |
| AWM Embarkation Roll number | 23/111/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board RMS Osterley on 8 May 1918 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 4th Divisional Signal Company |
| Fate | Returned to Australia 19 August 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Otto Frederick Gruhl on NR |