| Main Specifications and Features | T2280 |
| The max. diameter of boring dimeter | Φ800mm |
| The range of boring depth | 4000 ~ 16000mm |
| The diameter of chuck | Φ1350mm |
| The range of chuck clamp. diameter | φ270 ~ φ1250mm |
| The range of steady rest clamp. diameter | φ270 ~ φ950mm |
| The range of roller support clamp. diameter | φ600 ~ φ1200mm |
| Range and kinds of spindle speed | 3 ~ 120r/min, 3 grade stepless |
| The range of feeding speed | 0.5 ~ 300mm/min (stepless) |
| Main motor | N = 55kW, DC |
| Feeding motor | N = 7.5Kw YASKAWA AC servo motor |
| Cool pump motor power | N = 11kW, n = 1440r/min (2 groups) |
| The rated pressure of cooling system | 1MPa |
| The flow of cooling system | 100 ~ 800L/min |
| The max. weight of workpiece | 20t |
