| GDC1216 | GDC1220 | |
| X - axis travel : | 1600 mm | 2000 mm |
| Y - axis travel : | 1250 mm | 1250 mm |
| Z - axis travel : | 500 mm | 500 mm |
| Worktable size : | 1250 × 1600 mm | 1250 × 2000 mm |
| Max. load of worktable : | 1600 kg | 2200 kg |
| Number of T -slot : | 7 qty | 7 qty |
| Width of T -slot : | 22 mm | 22 mm |
| Distance between the adjacent T -slots : | 160 mm | 160 mm |
| Distance between the two columns : | 1600 mm | 1600 mm |
| Distance from spindle nose to worktable surface : | 150 - 650 mm | 150 - 650 mm |
| Spindle taper : | ISONO. 50 | ISONO. 50 |
| Feed speed : | 4000 mm / min. | 4000 mm / min. |
| X / Y axis : | 12000 mm / min. | 12000 mm / min. |
| Z axis : | 8000 mm / min. | 8000 mm / min. |
| Spindle motor power (continuous / S6-60% ) : | 12 kW | 12 kW |
| Spindle speed : | 10 - 3000 rpm | 10 - 3000 rpm |
| Torque of spindle : | 230 Nm | 230 Nm |
| Positioning accuracy : | ±0.005/300 mm JIS | ±0.005/300 mm JIS |
| Repeat positioning accuracy : | ±0.003/1000 mm JIS | ±0.003/1000 mm JIS |
| Machine weight : | 10000 kg | 11500 kg |
