| Regimental number | 10426 |
| Place of birth | Heyfield, Gippsland, Victoria |
| School | State School |
| Religion | Church of England |
| Occupation | Dentist |
| Address | Heyfield, Victoria |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, W H Harbeck, Heyfield, Victoria |
| Enlistment date | 6 November 1915 |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 4, Reinforcement 2 |
| AWM Embarkation Roll number | 13/32/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A19 Afric on 5 January 1916 |
| Rank from Nominal Roll | Captain |
| Unit from Nominal Roll | Dental Corps |
| Other details from Roll of Honour Circular | Was wounded at Caper Helles on 8th May, 1915. |
| Fate | Returned to Australia 25 January 1919 |
| Place of death or wounding | Malta |
| Family/military connections | Brother; Sgt A.R. Harbeck, died of woundsBrother; Lieut R.P. Harbeck, 5th Signal Squadron |