| Model | CUMMINS ENGINE | Continuous power | Standby power | ||
| KW | KVA | KW | KVA | ||
| FKS-C30 | 4B3.9-G2 | 20 | 25 | 24 | 30 |
| FKS-C41 | 4BT3.9-G2 | 30 | 37.5 | 36 | 45 |
| FKS-C69 | 4BTA3.9-G2 | 45 | 56.25 | 50 | 63 |
| FKS-C70 | 4BTA3.9-G2 | 50 | 62.5 | 55 | 68.75 |
| FKS-C110 | 6BT5.9-G2 | 80 | 100 | 88 | 110 |
| FKS-C138 | 6BTA5.9-G2 | 100 | 125 | 110 | 138 |
| FKS-C154 | 6BTAA5.9-G2 | 110 | 137.5 | 120 | 150 |
| FKS-C206 | 6CTA8.3-G2 | 150 | 187.5 | 160 | 200 |
| FKS-C206 | 6CTAA8.3-G2 | 160 | 200 | 180 | 225 |
| FKS-C275 | 6LTAA8.9-G2 | 200 | 250 | 220 | 275 |
| FKS-C302 | MTA11-G2A | 220 | 275 | 230 | 287.5 |
| FKS-C330 | NTA855-G1A | 240 | 300 | 250 | 312.5 |
| FKS-C344 | MTAA11-G3 | 250 | 312.5 | 280 | 350 |
| FKS-C385 | NTA855-G2A | 275 | 343.75 | 300 | 375 |
| FKS-C413 | NTAA855-G7 | 300 | 375 | 330 | 412.5 |
| FKS-C481 | NTAA855-G7A | 330 | 412.5 | 360 | 450 |
| FKS-C495 | KTA19-G3 | 360 | 450 | 400 | 500 |
| FKS-C550 | KTA19-G4 | 400 | 500 | 440 | 550 |
| FKS-C630 | KTA19-G5 | 500 | 625 | 450 | 562.5 |
| FKS-C688 | KTAA19-G6A | 500 | 625 | 550 | 687.5 |
| FKS-C825 | KTA38-G2 | 600 | 750 | 660 | 825 |
| FKS-C1000 | KTA38-G2A | 728 | 910 | 800 | 1000 |
| FKS-C1100 | KTA38-G5 | 800 | 1000 | 880 | 1100 |
| FKS-C1375 | KTA50-G3 | 1000 | 1250 | 1100 | 1375 |
| FKS-C1375 | KTA50-G8 | 1100 | 1375 | 1320 | 1650 |
