| PROGEN 2900 | PROGEN 4100 | PROGEN 5100 | PROGEN 7300 | PROGEN 8100ES | |
| Engine | Robin EH17 | Robin EH25 | Robin EH25 | Robin EH36 | Robin EH41 |
| Engine Power | 6hp | 8.5hp | 8.5hp | 11.5hp | 13.5hp |
| Rated Power | 1900 watts | 2900 watts | 3350 watts | 5100 watts | 5600 watts |
| Surge power | 2375 watts | 3625 watts | 4190 watts | 6375 watts | 7000 watts |
| Outlets | 2 x 16amp | 2 x 16amp | 2 x 16amp | 1 x 16amp, 1 x 30amp | 1 x 16amp, 1 x 30 amp |