Comparing the Mazak QT-Ez 12MSY and the Clausing SB-8 across 4 shared specifications. Values are the manufacturer/model reference figures held in The Machine Blue Book; a specific used unit's year, control, and options may differ.
| Specification | Mazak QT-Ez 12MSY | Clausing SB-8 |
|---|---|---|
| X Travel | 8.5 in (215 mm) | 7.28” + 0.59” |
| Y Travel | 4 in (100 mm) | — |
| Z Travel | — | 23.6” |
| Max Spindle Speed | 3300 rpm | — |
| Spindle Power | 30 hp (22 kW) | — |
| Spindle Torque | 285 ft-lb (387 N·m) | — |
| Spindle Taper | — | 4MT |
| Tool Capacity | 12 | — |
| Chuck Size | 12 in (305 mm) | 8” |
| Max Turning Diameter | 27.4 in (695 mm) | 20.8” |
| Bar Capacity | 3.0 in (76 mm) | 2” |
| Max Workpiece Weight | 990 lb (450 kg) | — |
| Machine Weight | — | 5,500 lbs. (2,495 kg) |
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