| Specifications | Unit | VMC855 | VMC850 | VMC845 |
| X-Axis Travel | Mm | 800 | 800 | 950 |
| Y-Axis Travel | Mm | 550 | 500 | 500 |
| Z-Axis Travel | Mm | 550 | 500 | 500 |
| Table Size（L*Degrees） | Mm | 1050*550 | 900*500 | 1000*450 |
| Maximum Table Load | Kg | 600 | 500 | 450 |
| T-Slot(Slot Number*Width*Pitch) | Mm | 5*18*100 | 5*18*100 | 3*18*118 |
| Spindle Taper | - | BT40 | BT40 | BT40-120 |
| Spindle Power | Kw | 7.5-11 | 7.5-11 | 7.5-11 |
| Maximum Spindie Speed | Rpm | 8000 | 8000 | 8000 |
| Rapid Traverse(X/Y/Z) | M/Min | 48/48/36 | 48/48/36 | 24/24/24 |
| Cutting Feed | Mm/Min | 1-8000 | 1-8000 | 1-8000 |
| Feed Motor | Nm | 20/20/20 | 20/20/20 | 10/10/15 |
| Spindle Nose To Table | Mm | 130-660 | 130-630 | 120-650 |
| Spindle Center To Columnsurface Distance Rail | Mm | 590 | 525 | 466 |
| Maximum Tool Diameter | Mm | Φ78/120 | Φ78/120 | Φ78/120 |
| Maximum Table Length | Mm | 250/350 | 250/350 | 250/350 |
| Maximum Table Weight | Kg | 8 | 8 | 7 |
| Positioning Accuracy | Mm | ±0.0075 | ±0.0075 | ±0.008 |
| Repeat Accuracy | Mm | ±0.004 | ±0.004 | ±0.004 |
| Electric Capacity | Kva | 15 | 15 | 15 |
| Machine Weight.(About) | T | 6 | 5.6 | 4.2 |
| Dimensions | M | 2.8*2.4*2.8 | 2.7*2.3*2.8 | 2.6*2.2*2.6 |