| Model | ZJ30/1700BT | ZJ40/2250DBT | |
| Norminal drilling depth | (m) | 3600 (3-1/2″ DP) | 4000 (3-1/2″ DP) |
| 2500 (4-1/2″ DP) | 3200 (5″ DP) | ||
| Max. hook capacity | (kN) | 1800 | 2250 |
| Hook speed | (m/s) | 0.2-1.5 | |
| Height of mast | (m) | 38 | |
| Height of substructure | (m) | 6 | |
| Engine model | 3508B + SR4B Diesel generator set | ||
| Engine power | (kw) | 2x 1000+600 | 2x 1250+600 |
| Transmission type | AC variable frequency electric drive | ||
| Travelling system | 4×5 | 5×6 | |
| Main brake | Disc brake | ||
| Auxiliary brake | DWS40 | ||
| Dia. Of drilling line | (mm) | 29 | 32 |
| Rotary table model | ZP275 | ||
Electric Driven Trailer Mounted Drilling Rig
The rig mainly consists of Trailer, Power system, Trailer-mounted substructure, Trailer-mounted V-Door, Control system, Auxiliary system and so on. Drawworks and Rotary table driving adopt AC series motor and transmission control adopts AC-VFD-AC full-digital scheme.
The main brake adopts hydraulic disc brake, and auxiliary brake is EATON or dynamic brake.
Simple structure, reliable transmission, stable operation, and easy to install and move.





