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| Industry | Engineering |
|---|---|
| Founded | 1921 |
| Defunct | 1990 |
| Fate | Acquired by ABB Transportation |
| Headquarters | |
Number of locations | Dandenong Rocklea Bassendean |
| Products | Railway rolling stock |
| Parent | Australian National Industries |
Commonwealth Engineering, often shortened to Com-Eng, later known as Comeng [/ˈkɒmɛndʒ/ KOM-enj], was an Australian engineering company that designed and built railway locomotives, rolling stock and trams.