| Specification | Unit | CNC540 | CNC850 |
| Working oil sump size | mm | 1370x810x450 | 1600x1100x600 |
| Workbench specification | mm | 850 x500 | 1050 x600 |
| Left and right travel of workbench | mm | 500 | 800 |
| Front and rear travel of workbench | mm | 400 | 500 |
| Spindle (Z-axis) stroke | mm | 300 | 400 |
| Distance from electrode head to working table | mm | 440-740 | 660-960 |
| Maximum load of electrode | kg | 150 | 200 |
| Maximum working load | kg | 1800 | 3000 |
| Machine weight | kg | 2500 | 4500 |
| Appearance dimension (L x W x H) | mm | 1640x1460x2140 | 2000x1710x2360 |
| Volume of filter box | Liter | 460 | 980 |