| Sheave Dia. (E) | Wll (T) | Intambo Dia. (E) | Ubunzima (lbs) |
| 3 | 2 | 3/8 | 3,08 |
| 4 1/2 | 4 | 1/2 | 13,77 |
| 6 | 8 | 3/4 | 27,54 |
| 8 | 8 | 3/4 | 35.86 |
| 10 | 8 | 3/4 | 42,9 |
| 12 | 8 | 3/4 | 49,57 |
| 14 | 8 | 3/4 | 56,17 |
| 16 | 15 | 7/8 | 136,4 |
| 18 | 15 | 1 | 158,4 |

| Sheave Dia. (E) | Wll (T) | Intambo Dia. (E) | Ubunzima (lbs) |
| 3 | 2 | 3/8 | 3,08 |
| 4 1/2 | 4 | 1/2 | 13,77 |
| 6 | 8 | 3/4 | 27,54 |
| 8 | 8 | 3/4 | 35.86 |
| 10 | 8 | 3/4 | 42,9 |
| 12 | 8 | 3/4 | 49,57 |
| 14 | 8 | 3/4 | 56,17 |
| 16 | 15 | 7/8 | 136,4 |
| 18 | 15 | 1 | 158,4 |