Drilling rig ZJ40/2250L(LDB)
| Model | ZJ40/2250L(LDB) |
| Nominal Drilling Depth (m) | 114mm Drilling Pipe - 2500~4000 |
| Max Hook Load (kN) | 2250 |
| Number of Lines of Hoisting System | 10 |
| Dia.of Wireline | 32(1¼) |
| Max. Pull of Fast Line (kN) | 280 |
| Model of Drawworks | JC40L | JC40LDB |
| Rated Power of Drawworks (kW) | 735 |
| Speed of Drawworks | 4 Forward | 4Forward |
| 2 Reverse |
| Main Brake of Drawworks | Hydraulic Disc Brake |
| Auxiliary Brake of Drawworks | Eddy Brake or Eaton Brake |
| Crown Block | TC225 |
| Traveling Block | YC225 |
| Hook | DG225 |
| Model of Swivel | SL225-II |
| lD of Swivel System (mm) | 75 |
| Model of Rotary Table | ZP520orZP275 |
| Diameter of Opening of Rotary Table | 520.7(20½) or 698.5(27½) |
| Speed of Rotary Table | 4 Forward | 2 Reverse |
| 2 Reverse |
| Model×Number of Mud Pump | F-1300×2 |
| Power of Each Mud Pump | 960(1300) |
| Drive Mode of Mud Pump | Compound drive |
| Type of Mast | K |
| Working Height of Mast | 43 |
| Height of Drilling Floor | 6 or 7.5 |
| Clear Height of Drilling Floor | 4.67 or 6.26 |