| Broardbent | S. D | Wongan Hills | Ford | WB ● 35 | Wongan-Ballidu Road Board | 1926-27 |
| Broardbent | S. D. | Wogan Hill | Ford | WB ● 35 | Wongan-Ballidu Road Board | 1927-28 |
| Brock | J. | Wagin | Overland | WN 47 | Wagin Municipality | 1925-26 |
| Brock | J. | Wagin | Overland | WN 47 | Wagin Municipality | 1926-27 |
| Brock | J. | Wagin | Overland | WN 47 | Wagin Municipality | 1927-28 |
| Brock | Mrs I. M. | C/o Savoy Hotel, Hay Street, Perth | Fiat | 6592 | Metro Private Car | 1924-25 |
| Brock & West Ltd | - | 28 Thompson Road, North Fremantle | Ford W. | 12290 | Metro Private Car | 1926-27 |
| Brocke | C. W. S. | Kulin | International Truck | KU ● 203 | Kulin Road Board | 1927-28 |
| Brockhurst | H. D. | Jennacubbine | Chevrolet | GO ● 22 | Goomalling Road Board | 1927-28 |
| Brockler | R. | 14 Almondsbury Road, Mount Lawley | Buick | 5719 | Metro Private Car | 1925-26 |
| Brockman | E. B. | - | Chevrolet | BE ● 176 | Beverley Road Board | 1924-25 |
| Brockman | E. B. | Westbourne Beverley | Chevrolet | BE ● 176 | Beverley Road Board | 1925-26 |
| Brockman | E. B. | Westbourne Beverley | Chevrolet | BE ● 176 | Beverley Road Board | 1926-27 |
| Brockman | E. B. | Beverley | Chevrolet | BE ● 176 | Beverley Road Board | 1927-28 |
| Brockman | E. J. T | Dudinalup Nannup | Ford | BL ● 2 | Lower Blackwood Road Board | 1922-23 |
| Brockman | E. J. T. | via Balingup | Ford 20 H.P. | LB 2 | Blackwood (lower) Road Board | 1915 |
| Brockman | E. J. T. | via Balingup | Ford 20 H.P. | BL 2 | Blackwood (Lower) Road Board | 1916 |
| Brockman | E. J. T. | Balingup | Ford 20 H.P. | BL ● 2 | Lower Blackwood Road Board | 1917-18 |
| Brockman | E. J. T. | Balingup | Ford 20 H.P. | BL ● 2 | Blackwood (Lower) Road Board | 1919 |
| Brockman | E. J. T. | Dudinalup | Durant | BL ● 2 | Blackwood (Lower) Road Board | 1923-24 |
| Brockman | E. J. T. | Dinninup | Durant | BL ● 2 | Lower Blackwood Road Board | 1924-25 |
| Brockman | E. J. T. | Dudinalup | Durant | BL ● 2 | Lower Blackwood Road Board | 1925-26 |
| Brockman | E. J. T. | Dudinalup | Durant | BL ● 2 | Nannup Road Board | 1926-27 |
| Brockman | E. J. T. | Dudinalup | Durant | BL ● 2 | Nannup Road Board | 1927-28 |
| Brockman | E. V. | Nannup | Ford 20 H.P. | LB 3 | Blackwood (lower) Road Board | 1915 |
| Brockman | E. V. | Nannup | Ford 20 H.P. | BL 3 | Blackwood (Lower) Road Board | 1916 |
| Brockman | E. V. | Nannup | Ford 20 H.P. | BL ● 3 | Lower Blackwood Road Board | 1917-18 |
| Brockman | E. V. | Nannup | Ford 20 H.P. | BL ● 3 | Blackwood (Lower) Road Board | 1919 |
| Brockman | E. V. | Maggenup Nannup | Chevrolet | BL ● 3 | Lower Blackwood Road Board | 1922-23 |
| Brockman | E. V. | Maggenup, Nannup | Chevrolet | BL ● 3 | Blackwood (Lower) Road Board | 1923-24 |
| Brockman | E. V. | Maggenup Nannup | Chevrolet | BL ● 3 | Lower Blackwood Road Board | 1924-25 |
| Brockman | E. V. | Maggenup Nannup | Chevrolet | BL ● 3 | Lower Blackwood Road Board | 1925-26 |
| Brockman | E. V. | Nannup | Austin Truck | BL ● 34 | Lower Blackwood Road Board | 1925-26 |
| Brockman | E. V. | Maggenup | Chevrolet | BL ● 3 | Nannup Road Board | 1926-27 |
| Brockman | E. V. | Nannup | Studebaker Truck | BL ● 34 | Nannup Road Board | 1926-27 |
| Brockman | E. V. | Nannup | Oakland | BL ● 4 | Nannup Road Board | 1927-28 |
| Brockman | G. R. | Bridgetown | B.S.A. 3½ H.P. Motorcycle | B ● 14 | Bridgetown Road Board | 1917-18 |
| Brockman | G. R. | Bridgetown | B.S.A. 3 ½ H.P. | B ● 14 | Bridgetown Road Board | 1919 |
| Brockman | H. H. | Corunna Downs Station | Ford | MB ● 11 | Marbe Bar Road Board | 1922-23 |
| Brockman | H. H. | Corunna Downs Station | Ford | MB ● 11 | Marble Bar Road Board | 1923-24 |
| Brockman | H. S. | Busselton | Dodge | SU ● 12 | Sussex Road Board | 1926-27 |
| Brockman | H. S. | Busselton | Dodge | SU ● 12 | Sussex Road Board | 1927-28 |
| Brockman | Hugh | Torridon Donnybrook | Hupmobile 20 H.P. | PE ● 6 | Preston Road Board | 1922-23 |
| Brockman | Hugh | "Torridon", Donnybrook | Hupmobile 20 H.P. | PE ● 6 | Preston Road Board | 1923-24 |
| Brockman | Hugh | Torridon Donnybrook | Hupmobile | PE ● 6 | Preston Road Board | 1924-25 |
| Brockman | J. G. | Donnybrook | Hupmobile | PE ● 6 | Preston Road Board | 1925-26 |
| Brockman | J. G. | Donnybrook | Hupmobile | PE ● 6 | Preston Road Board | 1926-27 |
| Brockman | L. | Beverley | Chevrolet | BE ● 117 | Beverley Road Board | 1923-24 |
| Brockman | L. D. | Beverley | Chevrolet | BE ● 117 | Beverley Road Board | 1924-25 |
| Brockman | L. D. | Beverley | Chevrolet | BE ● 117 | Beverley Road Board | 1925-26 |
