| Model | STW-18 | STW-20 | STW-24 |
| Blade | 18" | 20" | 24" |
| SPEED(RPM) | 1400/1680 | 1408/1690 | 915/1100 |
| HP | 1/4HP*4P | 1/2HP*4P | 1/2HP*6P |
| Phase(Ø) | 1Ø | 1Ø | 1Ø |
| HZ | 60 | 60 | 60 |
| Voltage(V) | 110/220V | 110/220V | 110/220V |
| Dimensions(mm) | 500*440*500 | 570*590*640 | 680*780*610 |
| Net weight (NW) | 6.6 | 9 | 15 |