Model | ZJ40/2250JDB |
Nominal drill depth(114mm drill Pipe) m | 2500-4000 |
Max hook load rating kN | 2250 |
Max number of lines for traveling block | 10 |
Dia. Of wire11ne mm(in) | 32 (1 1/4) |
Sheave O.D. of traveling block mm(in) | 1120 (44) |
l.D. of swivel stem mm(in) | 75 (3) |
Rated power of drawworks kw(hp) | 735 (1000) |
Transmission of drawworks | 4 |
Dia.of rotary table opening mm(in) | 520.7(20 1/2) 698.5(27 1/2) |
Rotary speeds | 1 无极调速 Stepless speed regulation |
Power of each mud pump kW(hp) | 735 (1000) |
Number of diesel engines | 43 (142) |
Number of integral chain boxes | 7.5 (25) |
Working height of mast m(ft | 6.26 (20.5) |