| Shaft Alignment – Quick Comparison | XT770 | XT660 | XT550 | XT440 |
| Laser Units Distance Maximum | 20m | 20m | 20m | 10m |
| Max Shaft Diameter w Chains | 450mm | 450mm | 450mm | 450mm |
| Battery Life – Laser Units | 24 hours | 24 hours | 24 hours | 24 hours |
| Wireless Connection | ● | ● | ● | ● |
| Touch Colour Display | ● | ● | ● | ● |
| PDF Report Generator Built-in | ● | ● | ● | ● |
| WiFi & Email Built-in | ● | ● | ● | ● |
| Free App on Any Smart Device | ● | ● | ● | ● |
| IP Class | 66 | 66 | 66 | 66 |
| Cardan Shafts | ● | ● | ● | |
| EasyTurn Measurement Type | ● | ● | ● | ● |
| Multi-Point, Continuous & Uncoupled Sweep Methods | ● | ● | ● | |
| Machine Train | ● | ● | ● | |
| Vertical Machines | ● | ● | ● | ● |
| Live360 – Simultaneous Vert & Hor Results | ● | | | |
| Basic Flatness | ● | | | |
| Pulley Alignment XT190 Interface | ● | ● | ● | ● |
| Vibration Probe XT280 Interface | ● | ● | ● | ● |
