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| Model | XJ250 (40t) | XJ350 (60t) | XJ450 (80t) |
| Well servicing depth :m | 3200(2-7/8external upset tube) | 4000(2-7/8 external upset tube ) | 5500(2-1/2tube)4500(2-7/8DP) |
| Drilling depth :m | 1000(5DP) | ||
| Rated load KN(t) | 400 (60) | 600 (60) | 800 (80) |
| Max. load KN(t) | 675 (90) | 900(90) | 1125 |
| Rating of engineKW( 2100r/min) | 231 | 283 | 343 |
| Derrick height (clear height):m | 18 | 31.3 | 31.3 |
| Traveling block | 3×4 | 3×4 | 4×5 |
| Classis driven | 6×6 | 8×6(single ),10×8 (double) | 10×8 |
| Drilling line diameter :mm | 26 | 26 | 26 |
| Max.speed km/n | 65 | 65 | 60 |
| Max.turing radius :m | 14 | 14 | 17 |
| Racking platform height :m | 17.2(as per customer) | 17.2,20.9 |
oil Workover rig