| Electrical | Diesel Engine | |||||
| Model | KVA | Kw | P.F. | B.H.P. | Cooling | |
| BIG-1-HT | 2.5 | 2.5 | 1 | 5 | Air | |
| BIG -2 | 5 | 5 | 1 | 8 | Water/ Air | |
| BIG -3 | 6 | 6 | 1 | 10 | Water/ Air | |
| BlG -4 | 7.5 | 7.5 | 1 | 12 | Water | |
| BIG -4-A | 7 | 7 | 1 | 11 | Air | |
| BlG -5 | 9 | 9 | 1 | 14 | Water | |
| BIG-6-T | 10 | 10 | 1 | 15 | Water | |
| BIG-7 | 10 | 10 | 1 | 16 | Water/ Air | |
| BIG-8 | 12 | 12 | 1 | 20 | Water/ Air | |
| BIG -9 | 15 | 15 | 1 | 24 | Water | |
| BIG -10 | 17 | 17 | 1 | 28 | Water | |
| BIG -11 | 20 | 20 | 1 | 30 | Water | |
| Electrical | Diesel Eneine | |||||
| Model | KVA | Kw | P.F. | B.H.P. | Cooling | |
| BIG-12 | 6.25 | 5 | 0.8 | 8 | Water/Air | |
| BlG-13 | 7.5 | 6 | 0.8 | 10 | Water | |
| BIG -13-A | 7.5 | 6 | 0.8 | 10 | Air | |
| BIG-14 | 8.75 | 7 | 0.8 | 12 | Water/Air | |
| BIG -15 | 10 | 8 | 0.8 | 14 | Water | |
| BIG-16-T | 11 | 9 | 0.8 | 15 | Water | |
| BlG -17 | 10 | 8 | 0.8 | 16 | Water/Air | |
| BIG -17-A | 10 | 8 | 0.8 | 15 | Air | |
| BlG -18 | 12.5 | 10 | 0.8 | 20 | Water/Air | |
| BIG-19 | 15 | 12 | 0.8 | 24 | Water/Air | |
| BIG-20 | 20 | 16 | 0.8 | 28 | Water | |
| BIG-21 | 22.5 | 18 | 0.8 | 30 | Water | |
