| Chitsanzo | Mtengo wa STZJ300 | Mtengo wa STZJ450 | Mtengo wa STZJ550 | Mtengo wa STZJ630 |
| Rotor Diameter (mm) | 300 | 450 | 550 | 630 |
| Kutalika kwa Rotor (mm) | 2500 | 3000 | 3000 ~ 4000 (Makonda) | 3000 ~ 4000 (Makonda) |
| Nthawi ya Kutentha (s) | 20-30 | 20-45 | 20-45 | 20-45 |
| Mphamvu (kw) | 3 | 7.5 | 11 | 11/15 |