| STT P/N | Inducer | Exducer | Blade Height | Blade (L-S) | Mill Type | Direction |
| STT086 | 55.5 | 81.5 | 25.5 | 10 | Face mill | Clockwise |
| STT087 | 56.4 | 81.6 | 27.8 | 8-8 | Face mill | Clockwise |
| STT088 | 56.2 | 81.9 | 27.4 | 8-8 | Face mill | Clockwise |
| STT089 | 56.2 | 81.9 | 27.4 | 8-8 | Face mill | Clockwise |
| STT090 | 150.8 | 180.4 | 21.9 | 18 | Face mill | Clockwise |
| STT091 | 130 | 184 | 60.2 | 9-9 | Face mill | Clockwise |
| STT092 | 149.5 | 199 | 19.5 | 18 | Face mill | Clockwise |