Rig Machine Top Drive Rotary speed 0 - 180rpm Drill pipe range 2 7/8" - 5 1/2"
Specifications :
| Specification | 250Ton | 350Ton | 500Ton |
| Nominal drilling depth (5 1/2" drill pipe) | 4,000m(13,000ft) | 5,000m(16,000ft) | 7,000m(23,000ft) |
| Rated load capacities | 2,250KN(250t)) | 3,150KN(350t) | 4,500KN(500t) |
| Drilling torque (continuous, max.) | 32KN.m | 36KN.m | 54KN.m |
| Rotary speed | 0 - 180rpm | 0 - 180rpm | 0 - 220rpm |
| Rated power of AC induction motor | 315 KW x 1 | 350KW x 1 | 350KW x 2 |
| Tilt angle of tilt arm ( max) | Forth 30" Back 55" | Forth 30" Back 55" | Forth 30" Back 55" |
| Maximum torque of break out | 50KN.m | 65KN.m | 80KN.m |
| Working pressure of hydraulic system | 16MPa | 16MPa | 16MPa |
| Input voltage of driving cabinet | 600VAC | 600VAC | 600VAC |
| Range of variable frequency | Rated 0 - 121Hz | Rated 0 - 121Hz | Rated 0 - 121Hz |
| Shift gears range of motor | 0 - 2,400rpm | 0 - 2,400rpm | 0 - 2,400rpm |
| Drill pipe range | 2 7/8" - 5 1/2" | 2 7/8" - 5 1/2" | 2 7/8" - 5 1/2" |
| Alarm Temperature of motor | 220degree | 220degree | |
| Alarm Temperature of gear oil | 75degree | 75degree | |
| Alarm Temperature of hydraulic oil | 75degree | 75degree | |
| Transmission ratio | 12.8:1 | 10.4:1 | |
| Shift gears range of motor | 0 - 2,400rpm | 0 - 2,400rpm | 0 - 2,400rpm |
