| ITEM | Unit | YF-S660 | YF-S650 | YF-S550 |
| XYZ axis work schedule | mm | 600*600*250 | 600*500*250 | 500*500*200 |
| XYZ position precision | mm | 0.01 | 0.01 | 0.01 |
| XYZ repeat positioning accuracy | mm | <0.005 | <0.005 | <0.005 |
| Table size | mm | 600*600 | 600*500 | 500*500 |
| The biggest processing XZ space | mm | 750*450 | 660*400 | 660*400 |
| Maximun processing speed | mm/min | 8000 | 8000 | 8000 |
| The highest spindle seed | r/min | 18000/24000 | 21000 | 21000 |
| Spindle power | kw | 5.5 | 4 | 3 |
| Maximum working load | kg | 600 | 500 | 300 |
| The maximum output voltage | v | 380 | 380 | 380 |
| Machine net weight | T | 4 | 3.2 | 2.6 |
| The spindle taper/gripping the handle | | BR32 | BR25 | BR20 |
| XYZ largest dimension | mm | 1800*1900*2200 | 1800*1800*2000 | 1700*1800*2000 |
| Lubrication system | | Adjustable automatic lubricating device | Adjustable automatic lubricating device | Adjustable automatic lubricating device |
| Numerical control system | | Taiwan SYNTEC | Taiwan SYNTEC | Taiwan SYNTEC |
| Servo motor | | Japan YASKAWA | Japan YASKAWA | Japan YASKAWA |
| screw | | Taiwan HIWIN | Taiwan HIWIN | Taiwan HIWIN |
| guide | | Taiwan HIWIN | Taiwan HIWIN | Taiwan HIWIN |